chore: 获取此集合的第一个元素

backend/framework/sdk/src/main/java/io/metersphere/sdk/util/XMLUtils.java

@@ -131,7 +131,7 @@ public class XMLUtils {
                 list.add(jsonObject);
             }
             if (list.size() == 1) {
-                result.put(node.getName(), list.get(0));
+                result.put(node.getName(), list.getFirst());
             } else {
                 result.put(node.getName(), list);
             }

backend/services/api-test/src/main/java/io/metersphere/api/parser/jmeter/processor/SqlProcessorConverter.java

@@ -120,7 +120,7 @@ public abstract class SqlProcessorConverter extends MsProcessorConverter<SQLProc
                     .toList();
         }
 
-        return CollectionUtils.isEmpty(dataSourceResults) ? null : dataSourceResults.get(0);
+        return CollectionUtils.isEmpty(dataSourceResults) ? null : dataSourceResults.getFirst();
     }
 
     protected TestElement getJdbcProcessor(SQLProcessor sqlProcessor, TestElement jdbcProcessor, DataSource dataSource) {

backend/services/api-test/src/main/java/io/metersphere/api/service/ApiFileResourceService.java

@@ -99,7 +99,7 @@ public class ApiFileResourceService {
             if (CollectionUtils.isEmpty(folderFileNames)) {
                 return null;
             }
-            String[] pathSplit = folderFileNames.get(0).split("/");
+            String[] pathSplit = folderFileNames.getFirst().split("/");
             return pathSplit[pathSplit.length - 1];
 
         } catch (Exception e) {
@@ -407,7 +407,7 @@ public class ApiFileResourceService {
                 throw new MSException("file not found!");
             }
         } else {
-            fileName = apiFileResources.get(0).getFileName();
+            fileName = apiFileResources.getFirst().getFileName();
         }
 
         folder += "/" + request.getFileId();

backend/services/api-test/src/main/java/io/metersphere/api/service/ApiTaskCenterService.java

@@ -89,9 +89,6 @@ public class ApiTaskCenterService {
     @Resource
     private KafkaTemplate<String, String> kafkaTemplate;
     private static final String DEFAULT_SORT = "start_time desc";
-    private final static String PROJECT_STOP = "/task/center/api/project/stop";
-    private final static String ORG_STOP = "/task/center/api/org/stop";
-    private final static String SYSTEM_STOP = "/task/center/api/system/stop";
 
     /**
      * 任务中心实时任务列表-项目级

backend/services/api-test/src/main/java/io/metersphere/api/service/definition/ApiDefinitionImportService.java

@@ -182,7 +182,7 @@ public class ApiDefinitionImportService {
         applicationExample.createCriteria().andProjectIdEqualTo(request.getProjectId()).andTypeEqualTo("API_URL_REPEATABLE");
         List<ProjectApplication> projectApplications = projectApplicationMapper.selectByExample(applicationExample);
         if (CollectionUtils.isNotEmpty(projectApplications)) {
-            String typeValue = projectApplications.get(0).getTypeValue();
+            String typeValue = projectApplications.getFirst().getTypeValue();
         }*/
         //过滤(一次只导入一个协议)
         List<ApiDefinitionImportDetail> filterData = initData.stream().filter(t -> t.getProtocol().equals(request.getProtocol())).collect(Collectors.toList());

backend/services/api-test/src/main/java/io/metersphere/api/service/definition/ApiDefinitionService.java

@@ -947,7 +947,7 @@ public class ApiDefinitionService extends MoveNodeService {
         if (ApiDefinitionDocType.ALL.name().equals(request.getType()) || ApiDefinitionDocType.MODULE.name().equals(request.getType())) {
             List<ApiDefinitionDTO> list = extApiDefinitionMapper.listDoc(request);
             if (!list.isEmpty()) {
-                ApiDefinitionDTO first = list.get(0);
+                ApiDefinitionDTO first = list.getFirst();
                 handleBlob(first.getId(), first);
                 String docTitle;
                 if (ApiDefinitionDocType.ALL.name().equals(request.getType())) {

backend/services/api-test/src/main/java/io/metersphere/api/service/definition/ApiTestCaseBatchRunService.java

@@ -280,7 +280,7 @@ public class ApiTestCaseBatchRunService {
             reportId = IDGenerator.nextStr();
         } else {
             // 独立报告，执行到当前任务时初始化报告
-            reportId = initApiReport(runModeConfig, List.of(apiTestCase), queue.getUserId()).get(0).getApiReportId();
+            reportId = initApiReport(runModeConfig, List.of(apiTestCase), queue.getUserId()).getFirst().getApiReportId();
         }
 
         if (apiTestCase == null) {

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiDebugControllerTests.java

@@ -381,7 +381,7 @@ public class ApiDebugControllerTests extends BaseTest {
         // 校验数据是否正确
         List<ApiDebugSimpleDTO> apiDebugList = getResultDataArray(mvcResult, ApiDebugSimpleDTO.class);
         Assertions.assertEquals(apiDebugList.size(), 2);
-        Assertions.assertEquals(apiDebugList.get(0), BeanUtils.copyBean(new ApiDebugSimpleDTO(),
+        Assertions.assertEquals(apiDebugList.getFirst(), BeanUtils.copyBean(new ApiDebugSimpleDTO(),
                 apiDebugMapper.selectByPrimaryKey(addApiDebug.getId())));
         Assertions.assertEquals(apiDebugList.get(1),
                 BeanUtils.copyBean(new ApiDebugSimpleDTO(), apiDebugMapper.selectByPrimaryKey(anotherAddApiDebug.getId())));
@@ -468,7 +468,7 @@ public class ApiDebugControllerTests extends BaseTest {
         Assertions.assertFalse(testResourcePools.isEmpty());
         ProjectTestResourcePool projectTestResourcePool = new ProjectTestResourcePool();
         projectTestResourcePool.setProjectId(DEFAULT_PROJECT_ID);
-        projectTestResourcePool.setTestResourcePoolId(testResourcePools.get(0).getId());
+        projectTestResourcePool.setTestResourcePoolId(testResourcePools.getFirst().getId());
         projectTestResourcePoolMapper.insert(projectTestResourcePool);
         this.requestPost(DEBUG, request);
         projectTestResourcePoolMapper.deleteByExample(projectTestResourcePoolExample);
@@ -753,7 +753,7 @@ public class ApiDebugControllerTests extends BaseTest {
         request.setModuleId("root");
         request.setFileName("test-debug-file1");
         request.setOriginalName("test-debug-file1.txt");
-        request.setFileId(apiFileResources.get(0).getFileId());
+        request.setFileId(apiFileResources.getFirst().getFileId());
         this.requestPost(TRANSFER, request).andExpect(status().isOk());
     }
 

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiDebugModuleControllerTests.java

@@ -409,7 +409,7 @@ public class ApiDebugModuleControllerTests extends BaseTest {
         List<ApiDebugModule> apiDebugModules = apiDebugModuleMapper.selectByExample(example);
         assert CollectionUtils.isNotEmpty(apiDebugModules);
         updateRequest = new ModuleUpdateRequest();
-        updateRequest.setId(apiDebugModules.get(0).getId());
+        updateRequest.setId(apiDebugModules.getFirst().getId());
         updateRequest.setName("default-update-Project");
         requestPostPermissionTest(PermissionConstants.PROJECT_API_DEBUG_UPDATE, URL_MODULE_UPDATE, updateRequest);
     }

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiDefinitionControllerTests.java

@@ -222,7 +222,7 @@ public class ApiDefinitionControllerTests extends BaseTest {
         msHttpElement.setBody(ApiDebugControllerTests.addBodyLinkFile(msHttpElement.getBody(), fileMetadataId));
         request.setRequest(getMsElementParam(msHttpElement));
         List<HttpResponse> msHttpResponse = MsHTTPElementTest.getMsHttpResponse();
-        msHttpResponse.get(0).setBody(ApiDebugControllerTests.addBodyLinkFile(msHttpResponse.get(0).getBody(), fileMetadataId));
+        msHttpResponse.getFirst().setBody(ApiDebugControllerTests.addBodyLinkFile(msHttpResponse.getFirst().getBody(), fileMetadataId));
         request.setResponse(msHttpResponse);
 
         uploadFileId = doUploadTempFile(getMockMultipartFile("api-add-file_upload.JPG"));
@@ -256,7 +256,7 @@ public class ApiDefinitionControllerTests extends BaseTest {
         apiFileResourceExample.createCriteria().andResourceIdEqualTo(apiDefinition.getId());
         List<ApiFileResource> apiFileResources = apiFileResourceMapper.selectByExample(apiFileResourceExample);
         Assertions.assertFalse(apiFileResources.isEmpty());
-        apiTransferRequest.setFileId(apiFileResources.get(0).getFileId());
+        apiTransferRequest.setFileId(apiFileResources.getFirst().getFileId());
         apiTransferRequest.setFileName("test-file_upload");
         apiTransferRequest.setOriginalName("test-file_upload.JPG");
         this.requestPost("transfer", apiTransferRequest).andExpect(status().isOk());
@@ -899,7 +899,7 @@ public class ApiDefinitionControllerTests extends BaseTest {
     private void assertPateDate(Pager pageData) {
         List<ApiDefinitionDTO> apiDefinitions = ApiDataUtils.parseArray(JSON.toJSONString(pageData.getList()), ApiDefinitionDTO.class);
         if (CollectionUtils.isNotEmpty(apiDefinitions)) {
-            ApiDefinitionDTO apiDefinitionDTO = apiDefinitions.get(0);
+            ApiDefinitionDTO apiDefinitionDTO = apiDefinitions.getFirst();
             // 判断用例数是否正确
             ApiTestCaseExample example = new ApiTestCaseExample();
             example.createCriteria()

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiDefinitionModuleControllerTests.java

@@ -475,7 +475,7 @@ public class ApiDefinitionModuleControllerTests extends BaseTest {
         List<ApiDefinitionModule> apiDebugModules = apiDefinitionModuleMapper.selectByExample(example);
         assert CollectionUtils.isNotEmpty(apiDebugModules);
         updateRequest = new ModuleUpdateRequest();
-        updateRequest.setId(apiDebugModules.get(0).getId());
+        updateRequest.setId(apiDebugModules.getFirst().getId());
         updateRequest.setName("default-update-Project");
         requestPostPermissionTest(PermissionConstants.PROJECT_API_DEFINITION_UPDATE, URL_MODULE_UPDATE, updateRequest);
     }

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiScenarioControllerTests.java

@@ -273,7 +273,7 @@ public class ApiScenarioControllerTests extends BaseTest {
                 schedule.setValue("0 0 0/1 * * ? ");
             } else {
                 apiScenario.setGrouped(false);
-                apiScenario.setEnvironmentId(environments.get(0).getId());
+                apiScenario.setEnvironmentId(environments.getFirst().getId());
                 schedule.setValue("1111");
             }
             scheduleMapper.insertSelective(schedule);
@@ -356,7 +356,7 @@ public class ApiScenarioControllerTests extends BaseTest {
         List<ApiScenarioStepRequest> steps = getApiScenarioStepRequests();
         Map<String, Object> steptDetailMap = new HashMap<>();
         steptDetailMap.put(steps.get(1).getId(), getMsHttpElementParam());
-        steptDetailMap.put(steps.get(0).getId(), getMsHttpElementParam());
+        steptDetailMap.put(steps.getFirst().getId(), getMsHttpElementParam());
         request.setSteps(steps);
         request.setStepDetails(steptDetailMap);
         request.setScenarioConfig(getScenarioConfig());
@@ -662,7 +662,7 @@ public class ApiScenarioControllerTests extends BaseTest {
         for (ApiScenarioStepRequest step : steps) {
             steptDetailMap.put(step.getId(), getMsHttpElementStr(msHttpElement));
         }
-        fileMetadataStepId = steps.get(0).getId();
+        fileMetadataStepId = steps.getFirst().getId();
 
         request.setSteps(steps);
         request.setStepDetails(steptDetailMap);
@@ -675,10 +675,10 @@ public class ApiScenarioControllerTests extends BaseTest {
         List<ApiScenarioCsv> apiScenarioCsv = apiScenarioCsvMapper.selectByExample(apiScenarioCsvExample);
         Map<String, ApiScenarioCsv> collect = apiScenarioCsv.stream().collect(Collectors.toMap(ApiScenarioCsv::getFileId, t -> t));
         // 验证修改步骤
-        steps.get(0).setName("test name update");
+        steps.getFirst().setName("test name update");
-        CsvVariable csvVariable = request.getScenarioConfig().getVariable().getCsvVariables().get(0);
+        CsvVariable csvVariable = request.getScenarioConfig().getVariable().getCsvVariables().getFirst();
-        request.getScenarioConfig().getVariable().getCsvVariables().get(0).setId(collect.get(csvVariable.getFile().getFileId()).getId());
+        request.getScenarioConfig().getVariable().getCsvVariables().getFirst().setId(collect.get(csvVariable.getFile().getFileId()).getId());
-        CsvVariable csvVariable1 = request.getScenarioConfig().getVariable().getCsvVariables().get(0);
+        CsvVariable csvVariable1 = request.getScenarioConfig().getVariable().getCsvVariables().getFirst();
         request.getScenarioConfig().getVariable().getCsvVariables().get(1).setId(collect.get(csvVariable1.getFile().getFileId()).getId());
         this.requestPostWithOk(DEFAULT_UPDATE, request);
         assertUpdateSteps(steps, steptDetailMap);
@@ -862,7 +862,7 @@ public class ApiScenarioControllerTests extends BaseTest {
         apiFileResourceExample.createCriteria().andResourceIdEqualTo(addApiScenario.getId());
         List<ApiFileResource> apiFileResources = apiFileResourceMapper.selectByExample(apiFileResourceExample);
         Assertions.assertFalse(apiFileResources.isEmpty());
-        apiTransferRequest.setFileId(apiFileResources.get(0).getFileId());
+        apiTransferRequest.setFileId(apiFileResources.getFirst().getFileId());
         apiTransferRequest.setFileName("test-scenario-file-1");
         apiTransferRequest.setOriginalName("test-scenario-file-1.txt");
         this.requestPost(TRANSFER, apiTransferRequest).andExpect(status().isOk());
@@ -873,7 +873,7 @@ public class ApiScenarioControllerTests extends BaseTest {
     public void testStepTransfer() throws Exception {
         this.requestGetWithOk(TRANSFER_OPTIONS, DEFAULT_PROJECT_ID);
         ApiTransferRequest apiTransferRequest = new ApiTransferRequest();
-        apiTransferRequest.setSourceId(addApiScenarioSteps.get(0).getId());
+        apiTransferRequest.setSourceId(addApiScenarioSteps.getFirst().getId());
         apiTransferRequest.setProjectId(DEFAULT_PROJECT_ID);
         apiTransferRequest.setModuleId("root");
         apiTransferRequest.setLocal(true);
@@ -1692,11 +1692,11 @@ public class ApiScenarioControllerTests extends BaseTest {
         EnvironmentExample environmentExample = new EnvironmentExample();
         environmentExample.createCriteria().andProjectIdEqualTo(DEFAULT_PROJECT_ID).andMockEqualTo(true);
         List<Environment> environments = environmentMapper.selectByExample(environmentExample);
-        request.setEnvId(environments.get(0).getId());
+        request.setEnvId(environments.getFirst().getId());
         requestPostAndReturn(BATCH_EDIT, request);
-        //判断数据的环境是不是environments.get(0).getId()
+        //判断数据的环境是不是environments.getFirst().getId()
         apiScenarios = apiScenarioMapper.selectByExample(example);
-        apiScenarios.forEach(apiTestCase -> Assertions.assertEquals(apiTestCase.getEnvironmentId(), environments.get(0).getId()));
+        apiScenarios.forEach(apiTestCase -> Assertions.assertEquals(apiTestCase.getEnvironmentId(), environments.getFirst().getId()));
 
         //环境数据为空
         request.setEnvId(null);
@@ -2558,7 +2558,7 @@ public class ApiScenarioControllerTests extends BaseTest {
                 apiScenario.setEnvironmentId("scenario-environment-group-id");
             } else if (i <= 100) {
                 apiScenario.setGrouped(false);
-                apiScenario.setEnvironmentId(environments.get(0).getId());
+                apiScenario.setEnvironmentId(environments.getFirst().getId());
             } else if (i <= 150) {
                 //带blob
                 ApiScenarioBlob apiScenarioBlob = new ApiScenarioBlob();

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiScenarioModuleControllerTests.java

@@ -402,7 +402,7 @@ public class ApiScenarioModuleControllerTests extends BaseTest {
         List<ApiScenarioModule> apiDebugModules = apiScenarioModuleMapper.selectByExample(example);
         assert CollectionUtils.isNotEmpty(apiDebugModules);
         updateRequest = new ModuleUpdateRequest();
-        updateRequest.setId(apiDebugModules.get(0).getId());
+        updateRequest.setId(apiDebugModules.getFirst().getId());
         updateRequest.setName("default-update-Project");
         requestPostPermissionTest(PermissionConstants.PROJECT_API_SCENARIO_UPDATE, URL_MODULE_UPDATE, updateRequest);
     }

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiShareControllerTests.java

@@ -79,7 +79,7 @@ public class ApiShareControllerTests extends BaseTest {
         List<ShareInfo> shareInfos = extShareInfoMapper.selectByShareTypeAndShareApiIdWithBLOBs(ShareInfoType.SINGLE.name(), JSON.toJSONString(request).getBytes(), "zh_CN");
         Assertions.assertNotNull(shareInfos);
         Assertions.assertEquals(1, shareInfos.size());
-        Assertions.assertEquals(shareInfoDTO.getId(), shareInfos.get(0).getId());
+        Assertions.assertEquals(shareInfoDTO.getId(), shareInfos.getFirst().getId());
         Assertions.assertTrue(shareInfoDTO.getShareUrl().contains("?shareId="));
 
         request.setApiId("111");
@@ -96,7 +96,7 @@ public class ApiShareControllerTests extends BaseTest {
         List<ShareInfo> shareInfosModule = extShareInfoMapper.selectByShareTypeAndShareApiIdWithBLOBs(ShareInfoType.BATCH.name(), JSON.toJSONString(request).getBytes(), "zh_CN");
         Assertions.assertNotNull(shareInfosModule);
         Assertions.assertEquals(1, shareInfosModule.size());
-        Assertions.assertEquals(shareInfoDTOModule.getId(), shareInfosModule.get(0).getId());
+        Assertions.assertEquals(shareInfoDTOModule.getId(), shareInfosModule.getFirst().getId());
         Assertions.assertTrue(shareInfoDTOModule.getShareUrl().contains("?shareId="));
 
         // @@分享全部文档
@@ -111,7 +111,7 @@ public class ApiShareControllerTests extends BaseTest {
         List<ShareInfo> allShareInfos = extShareInfoMapper.selectByShareTypeAndShareApiIdWithBLOBs(ShareInfoType.BATCH.name(), JSON.toJSONString(request).getBytes(), "zh_CN");
         Assertions.assertNotNull(allShareInfos);
         Assertions.assertEquals(1, allShareInfos.size());
-        Assertions.assertEquals(allShareInfoDTO.getId(), allShareInfos.get(0).getId());
+        Assertions.assertEquals(allShareInfoDTO.getId(), allShareInfos.getFirst().getId());
         Assertions.assertTrue(allShareInfoDTO.getShareUrl().contains("?shareId="));
         assertTestShareView(allShareInfoDTO.getId());
 

backend/services/api-test/src/test/java/io/metersphere/api/controller/ApiTestCaseControllerTests.java

@@ -346,7 +346,7 @@ public class ApiTestCaseControllerTests extends BaseTest {
         request.setPriority("P0");
         request.setStatus(ApiDefinitionStatus.PROCESSING.name());
         request.setTags(new LinkedHashSet<>(List.of("tag1", "tag2")));
-        request.setEnvironmentId(environments.get(0).getId());
+        request.setEnvironmentId(environments.getFirst().getId());
         MsHTTPElement msHttpElement = MsHTTPElementTest.getMsHttpElement();
         msHttpElement.setBody(ApiDebugControllerTests.addBodyLinkFile(msHttpElement.getBody(), fileMetadataId));
         request.setRequest(getMsElementParam(msHttpElement));
@@ -750,7 +750,7 @@ public class ApiTestCaseControllerTests extends BaseTest {
         apiFileResourceExample.createCriteria().andResourceIdEqualTo(apiTestCase.getId());
         List<ApiFileResource> apiFileResources = apiFileResourceMapper.selectByExample(apiFileResourceExample);
         Assertions.assertFalse(apiFileResources.isEmpty());
-        apiTransferRequest.setFileId(apiFileResources.get(0).getFileId());
+        apiTransferRequest.setFileId(apiFileResources.getFirst().getFileId());
         apiTransferRequest.setFileName("test-api-test-case-1");
         apiTransferRequest.setOriginalName("test-api-test-case-1.txt");
         this.requestPost("transfer", apiTransferRequest).andExpect(status().isOk());
@@ -1018,11 +1018,11 @@ public class ApiTestCaseControllerTests extends BaseTest {
         EnvironmentExample environmentExample = new EnvironmentExample();
         environmentExample.createCriteria().andProjectIdEqualTo(DEFAULT_PROJECT_ID).andMockEqualTo(true);
         List<Environment> environments = environmentMapper.selectByExample(environmentExample);
-        request.setEnvironmentId(environments.get(0).getId());
+        request.setEnvironmentId(environments.getFirst().getId());
         requestPostWithOkAndReturn(BATCH_EDIT, request);
-        //判断数据的环境是不是environments.get(0).getId()
+        //判断数据的环境是不是environments.getFirst().getId()
         caseList = apiTestCaseMapper.selectByExample(example);
-        caseList.forEach(apiTestCase -> Assertions.assertEquals(apiTestCase.getEnvironmentId(), environments.get(0).getId()));
+        caseList.forEach(apiTestCase -> Assertions.assertEquals(apiTestCase.getEnvironmentId(), environments.getFirst().getId()));
         //环境数据为空
         request.setEnvironmentId(null);
         this.requestPost(BATCH_EDIT, request, ERROR_REQUEST_MATCHER);

backend/services/api-test/src/test/java/io/metersphere/api/service/BaseFileManagementTestService.java

@@ -57,7 +57,7 @@ public class BaseFileManagementTestService {
         FileAssociationExample example = new FileAssociationExample();
         example.createCriteria().andFileIdEqualTo(originFileId)
                         .andSourceIdEqualTo(resourceId);
-        FileAssociation fileAssociation = fileAssociationMapper.selectByExample(example).get(0);
+        FileAssociation fileAssociation = fileAssociationMapper.selectByExample(example).getFirst();
         return fileAssociationService.upgrade(fileAssociation.getId(), fileLogRecord);
     }
 

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugAttachmentLogService.java

@@ -59,10 +59,10 @@ public class BugAttachmentLogService {
 		BugFileDTO deleteFile;
 		if (request.getAssociated()) {
 			// 关联
-			deleteFile = allBugFiles.stream().filter(file -> !file.getLocal() && StringUtils.equals(request.getRefId(), file.getRefId())).toList().get(0);
+			deleteFile = allBugFiles.stream().filter(file -> !file.getLocal() && StringUtils.equals(request.getRefId(), file.getRefId())).toList().getFirst();
 		} else {
 			// 本地
-			deleteFile = allBugFiles.stream().filter(file -> file.getLocal() && StringUtils.equals(request.getRefId(), file.getRefId())).toList().get(0);
+			deleteFile = allBugFiles.stream().filter(file -> file.getLocal() && StringUtils.equals(request.getRefId(), file.getRefId())).toList().getFirst();
 		}
 		LogDTO dto = buildUpdateLog(bug);
 		dto.setModifiedValue(JSON.toJSONBytes(originalFileNames));

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugAttachmentService.java

@@ -510,7 +510,7 @@ public class BugAttachmentService {
         FileAssociation association = fileAssociationMapper.selectByPrimaryKey(refId);
         FileMetadataExample example = new FileMetadataExample();
         example.createCriteria().andIdEqualTo(association.getFileId());
-        FileMetadata fileMetadata = fileMetadataMapper.selectByExample(example).get(0);
+        FileMetadata fileMetadata = fileMetadataMapper.selectByExample(example).getFirst();
         // 取消关联的附件同步至平台
         if (!StringUtils.equals(platformName, BugPlatform.LOCAL.getName())) {
             File deleteTmpFile = new File(FilenameUtils.normalize(LocalRepositoryDir.getBugTmpDir() + File.separator + fileMetadata.getName() + "." + fileMetadata.getType()));
@@ -628,7 +628,7 @@ public class BugAttachmentService {
         if (CollectionUtils.isEmpty(bugLocalAttachments)) {
             return null;
         }
-        return bugLocalAttachments.get(0);
+        return bugLocalAttachments.getFirst();
     }
 
     /**
@@ -700,7 +700,7 @@ public class BugAttachmentService {
             if (CollectionUtils.isEmpty(folderFileNames)) {
                 return null;
             }
-            String[] pathSplit = folderFileNames.get(0).split("/");
+            String[] pathSplit = folderFileNames.getFirst().split("/");
             return pathSplit[pathSplit.length - 1];
 
         } catch (Exception e) {
@@ -769,7 +769,7 @@ public class BugAttachmentService {
             bytes = getPreviewImg(fileName, fileId, compressed);
         } else {
             //在正式目录获取
-            BugLocalAttachment attachment = bugAttachments.get(0);
+            BugLocalAttachment attachment = bugAttachments.getFirst();
             fileName = attachment.getFileName();
             FileRequest fileRequest = buildBugFileRequest(projectId, attachment.getBugId(), attachment.getFileId(), attachment.getFileName(), compressed);
             try {

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugLogService.java

@@ -121,6 +121,6 @@ public class BugLogService {
             originalBug.setDescription(bugContent.getDescription());
         }
         // 缺陷自定义字段
-        return bugService.handleCustomField(List.of(originalBug), originalBug.getProjectId()).get(0);
+        return bugService.handleCustomField(List.of(originalBug), originalBug.getProjectId()).getFirst();
     }
 }

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugScheduleServiceImpl.java

@@ -29,8 +29,8 @@ public class BugScheduleServiceImpl implements BaseBugScheduleService {
 		List<ProjectApplication> syncCron = bugSyncConfigs.stream().filter(config -> config.getType().equals(ProjectApplicationType.BUG.BUG_SYNC.name() + "_" + ProjectApplicationType.BUG_SYNC_CONFIG.CRON_EXPRESSION.name())).toList();
 		List<ProjectApplication> syncEnable = bugSyncConfigs.stream().filter(config -> config.getType().equals(ProjectApplicationType.BUG.BUG_SYNC.name() + "_" + ProjectApplicationType.BUG_SYNC_CONFIG.SYNC_ENABLE.name())).toList();
 		if (CollectionUtils.isNotEmpty(syncCron)) {
-			Boolean enable = Boolean.valueOf(syncEnable.get(0).getTypeValue());
+			Boolean enable = Boolean.valueOf(syncEnable.getFirst().getTypeValue());
-			String typeValue = syncCron.get(0).getTypeValue();
+			String typeValue = syncCron.getFirst().getTypeValue();
 			Schedule schedule = scheduleService.getScheduleByResource(projectId, BugSyncJob.class.getName());
 			Optional<Schedule> optional = Optional.ofNullable(schedule);
 			optional.ifPresentOrElse(s -> {

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugService.java

@@ -727,7 +727,7 @@ public class BugService {
             // 平台默认模板
             Template pluginDefaultTemplate = projectTemplateService.getPluginBugTemplate(project.getId());
             List<ProjectTemplateOptionDTO> templateOption = projectTemplateService.getOption(project.getId(), TemplateScene.BUG.name());
-            ProjectTemplateOptionDTO defaultProjectTemplate = templateOption.stream().filter(ProjectTemplateOptionDTO::getEnableDefault).toList().get(0);
+            ProjectTemplateOptionDTO defaultProjectTemplate = templateOption.stream().filter(ProjectTemplateOptionDTO::getEnableDefault).toList().getFirst();
             if (isPluginDefaultTemplate(defaultProjectTemplate.getId(), pluginDefaultTemplate)) {
                 BeanUtils.copyBean(msDefaultTemplate, pluginDefaultTemplate);
             } else {
@@ -945,7 +945,7 @@ public class BugService {
             if (StringUtils.isBlank(statusField.get().getValue()) && StringUtils.equalsIgnoreCase(BugPlatform.LOCAL.getName(), platformName)) {
                 // Local平台设置状态默认值为状态流-开始状态
                 List<SelectOption> localStartStatusItem = bugStatusService.getToStatusItemOptionOnLocal(request.getProjectId(), StringUtils.EMPTY);
-                bug.setStatus(localStartStatusItem.get(0).getValue());
+                bug.setStatus(localStartStatusItem.getFirst().getValue());
             } else {
                 bug.setStatus(statusField.get().getValue());
             }
@@ -1036,7 +1036,7 @@ public class BugService {
         if (CollectionUtils.isEmpty(bugs)) {
             throw new MSException(BUG_NOT_EXIST);
         }
-        return bugs.get(0);
+        return bugs.getFirst();
     }
 
     /**
@@ -1491,13 +1491,13 @@ public class BugService {
                             .replace("alt=\"" + key + "\"", "src=\"/bug/attachment/preview/md/" + updateBug.getProjectId() + "/" + fileId + "/false\""));
                     if (updateBug.getPlatformDefaultTemplate()) {
                         // 来自富文本自定义字段
-                        PlatformCustomFieldItemDTO descriptionField = updateBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getCustomData(), "description")).toList().get(0);
+                        PlatformCustomFieldItemDTO descriptionField = updateBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getCustomData(), "description")).toList().getFirst();
                         descriptionField.setValue(updateBug.getDescription());
                     }
                 } else {
                     // 来自富文本自定义字段
                     PlatformCustomFieldItemDTO richTextField = updateBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getType(), PlatformCustomFieldType.RICH_TEXT.name())
-                            && field.getValue() != null && StringUtils.contains(field.getValue().toString(), "alt=\"" + key + "\"")).toList().get(0);
+                            && field.getValue() != null && StringUtils.contains(field.getValue().toString(), "alt=\"" + key + "\"")).toList().getFirst();
                     richTextField.setValue(richTextField.getValue().toString().replace("alt=\"" + key + "\"", "src=\"/bug/attachment/preview/md/" + updateBug.getProjectId() + "/" + fileId + "/false\""));
                 }
             }));
@@ -2002,13 +2002,13 @@ public class BugService {
                                     .replace("alt=\"" + key + "\"", "src=\"/bug/attachment/preview/md/" + platformBug.getProjectId() + "/" + fileId + "/false\""));
                             if (platformBug.getPlatformDefaultTemplate()) {
                                 // 来自富文本自定义字段
-                                PlatformCustomFieldItemDTO descriptionField = platformBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getCustomData(), "description")).toList().get(0);
+                                PlatformCustomFieldItemDTO descriptionField = platformBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getCustomData(), "description")).toList().getFirst();
                                 descriptionField.setValue(platformBug.getDescription());
                             }
                         } else {
                             // 来自富文本自定义字段
                             PlatformCustomFieldItemDTO richTextField = platformBug.getCustomFieldList().stream().filter(field -> StringUtils.equals(field.getType(), PlatformCustomFieldType.RICH_TEXT.name())
-                                    && field.getValue() != null && StringUtils.contains(field.getValue().toString(), "alt=\"" + key + "\"")).toList().get(0);
+                                    && field.getValue() != null && StringUtils.contains(field.getValue().toString(), "alt=\"" + key + "\"")).toList().getFirst();
                             richTextField.setValue(richTextField.getValue().toString().replace("alt=\"" + key + "\"", "src=\"/bug/attachment/preview/md/" + platformBug.getProjectId() + "/" + fileId + "/false\""));
                         }
                     }));

backend/services/bug-management/src/main/java/io/metersphere/bug/service/BugStatusService.java

@@ -113,7 +113,7 @@ public class BugStatusService {
        example.setOrderByClause("create_time desc");
        List<Bug> bugs = bugMapper.selectByExample(example);
        if (CollectionUtils.isNotEmpty(bugs)) {
-           return bugs.get(0).getPlatformBugId();
+           return bugs.getFirst().getPlatformBugId();
        } else {
            return StringUtils.EMPTY;
        }

backend/services/bug-management/src/test/java/io/metersphere/bug/controller/BugAttachmentControllerTests.java

@@ -93,7 +93,7 @@ public class BugAttachmentControllerTests extends BaseTest {
         BugUploadFileRequest request = new BugUploadFileRequest();
         request.setBugId("default-attachment-bug-id");
         request.setProjectId("default-project-for-attachment");
-        request.setSelectIds(List.of(unRelatedFiles.get(0).getId()));
+        request.setSelectIds(List.of(unRelatedFiles.getFirst().getId()));
         MultiValueMap<String, Object> paramMap1 = getDefaultMultiPartParam(request, null);
         this.requestMultipartWithOk(BUG_ATTACHMENT_UPLOAD, paramMap1);
         String filePath = Objects.requireNonNull(this.getClass().getClassLoader().getResource("file/test.xlsx")).getPath();
@@ -105,7 +105,7 @@ public class BugAttachmentControllerTests extends BaseTest {
         request.setSelectIds(List.of("not-exist-file-id"));
         MultiValueMap<String, Object> paramMap4 = getDefaultMultiPartParam(request, null);
         this.requestMultipart(BUG_ATTACHMENT_UPLOAD, paramMap4);
-        request.setSelectIds(List.of(unRelatedFiles.get(0).getId()));
+        request.setSelectIds(List.of(unRelatedFiles.getFirst().getId()));
         MultiValueMap<String, Object> paramMap5 = getDefaultMultiPartParam(request, null);
         this.requestMultipart(BUG_ATTACHMENT_UPLOAD, paramMap5);
         MultiValueMap<String, Object> paramMap6 = getDefaultMultiPartParam(request, file);

backend/services/bug-management/src/test/java/io/metersphere/bug/controller/BugCommentControllerTests.java

@@ -45,10 +45,10 @@ public class BugCommentControllerTests extends BaseTest {
         ResultHolder resultHolder = JSON.parseObject(sortData, ResultHolder.class);
         List<BugCommentDTO> comments = JSON.parseArray(JSON.toJSONString(resultHolder.getData()), BugCommentDTO.class);
         Assertions.assertTrue(CollectionUtils.isNotEmpty(comments));
-        Assertions.assertTrue(StringUtils.equals("default-bug-comment-id-3", comments.get(0).getId()));
+        Assertions.assertTrue(StringUtils.equals("default-bug-comment-id-3", comments.getFirst().getId()));
         // 第二条评论的子评论不为空且ID为default-bug-comment-id-2
         Assertions.assertTrue(CollectionUtils.isNotEmpty(comments.get(1).getChildComments()) &&
-                StringUtils.equals("default-bug-comment-id-2", comments.get(1).getChildComments().get(0).getId()));
+                StringUtils.equals("default-bug-comment-id-2", comments.get(1).getChildComments().getFirst().getId()));
     }
 
     @Test

backend/services/bug-management/src/test/java/io/metersphere/bug/controller/BugControllerTests.java

@@ -155,7 +155,7 @@ public class BugControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= bugRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字default
-        BugDTO bugDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), BugDTO.class).get(0);
+        BugDTO bugDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), BugDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(bugDTO.getTitle(), bugRequest.getKeyword())
                 || StringUtils.contains(bugDTO.getId(), bugRequest.getKeyword()));
 
@@ -168,7 +168,7 @@ public class BugControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是default-bug
-        BugDTO maxBugDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), BugDTO.class).get(0);
+        BugDTO maxBugDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), BugDTO.class).getFirst();
         Assertions.assertTrue(maxBugDTO.getId().contains("default"));
 
         // 拖拽
@@ -884,7 +884,7 @@ public class BugControllerTests extends BaseTest {
     private Bug getAddJiraBug() {
         BugExample example = new BugExample();
         example.createCriteria().andTitleEqualTo("这是一个系统Jira模板创建的缺陷");
-        return bugMapper.selectByExample(example).get(0);
+        return bugMapper.selectByExample(example).getFirst();
     }
 
     /**
@@ -895,7 +895,7 @@ public class BugControllerTests extends BaseTest {
     private BugLocalAttachment getAddJiraLocalFile() {
         BugLocalAttachmentExample example = new BugLocalAttachmentExample();
         example.createCriteria().andBugIdEqualTo(getAddJiraBug().getId());
-        return bugLocalAttachmentMapper.selectByExample(example).get(0);
+        return bugLocalAttachmentMapper.selectByExample(example).getFirst();
     }
 
     /**
@@ -906,7 +906,7 @@ public class BugControllerTests extends BaseTest {
     private FileAssociation getAddJiraAssociateFile() {
         FileAssociationExample example = new FileAssociationExample();
         example.createCriteria().andSourceIdEqualTo(getAddJiraBug().getId()).andSourceTypeEqualTo(FileAssociationSourceUtil.SOURCE_TYPE_BUG);
-        return fileAssociationMapper.selectByExample(example).get(0);
+        return fileAssociationMapper.selectByExample(example).getFirst();
     }
 
     /**

backend/services/bug-management/src/test/java/io/metersphere/bug/controller/BugRelateCaseControllerTests.java

@@ -117,7 +117,7 @@ public class BugRelateCaseControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= request.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字default
-        BugRelateCaseDTO bugRelateCaseDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), BugRelateCaseDTO.class).get(0);
+        BugRelateCaseDTO bugRelateCaseDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), BugRelateCaseDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(bugRelateCaseDTO.getRelateCaseName(), request.getKeyword()));
     }
 

backend/services/case-management/src/main/java/io/metersphere/functional/provider/CaseReviewCaseProvider.java

@@ -140,7 +140,7 @@ public class CaseReviewCaseProvider implements BaseCaseProvider {
             collect.forEach((caseId, caseList) -> {
                 FunctionalCase functionalCase = new FunctionalCase();
                 functionalCase.setId(caseId);
-                functionalCase.setReviewStatus(caseList.get(0).getStatus());
+                functionalCase.setReviewStatus(caseList.getFirst().getStatus());
                 mapper.updateByPrimaryKeySelective(functionalCase);
             });
         }

backend/services/case-management/src/main/java/io/metersphere/functional/service/CaseReviewFunctionalCaseService.java

@@ -214,7 +214,7 @@ public class CaseReviewFunctionalCaseService {
     private String getMyStatus(List<CaseReviewHistory> histories, String viewStatusUserId) {
         List<CaseReviewHistory> list = histories.stream().filter(history -> StringUtils.equalsIgnoreCase(history.getCreateUser(), viewStatusUserId)).toList();
         if (CollectionUtils.isNotEmpty(list)) {
-            return list.get(0).getStatus();
+            return list.getFirst().getStatus();
         }
 
         //重新提审记录
@@ -328,7 +328,7 @@ public class CaseReviewFunctionalCaseService {
         ProjectApplicationExample example = new ProjectApplicationExample();
         example.createCriteria().andProjectIdEqualTo(request.getProjectId()).andTypeEqualTo(ProjectApplicationType.CASE.CASE_RE_REVIEW.name());
         List<ProjectApplication> projectApplications = projectApplicationMapper.selectByExample(example);
-        if (CollectionUtils.isNotEmpty(projectApplications) && Boolean.valueOf(projectApplications.get(0).getTypeValue())) {
+        if (CollectionUtils.isNotEmpty(projectApplications) && Boolean.valueOf(projectApplications.getFirst().getTypeValue())) {
             if (!StringUtils.equals(name, request.getName())
                     || !StringUtils.equals(new String(blob.getSteps() == null ? new byte[0] : blob.getSteps(), StandardCharsets.UTF_8), request.getSteps())
                     || !StringUtils.equals(new String(blob.getTextDescription() == null ? new byte[0] : blob.getTextDescription(), StandardCharsets.UTF_8), request.getTextDescription())
@@ -526,10 +526,10 @@ public class CaseReviewFunctionalCaseService {
             AtomicInteger passCount = new AtomicInteger();
             AtomicInteger unPassCount = new AtomicInteger();
             hasReviewedUserMap.forEach((k, v) -> {
-                if (StringUtils.equalsIgnoreCase(v.get(0).getStatus(), FunctionalCaseReviewStatus.PASS.toString())) {
+                if (StringUtils.equalsIgnoreCase(v.getFirst().getStatus(), FunctionalCaseReviewStatus.PASS.toString())) {
                     passCount.set(passCount.get() + 1);
                 }
-                if (StringUtils.equalsIgnoreCase(v.get(0).getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString())) {
+                if (StringUtils.equalsIgnoreCase(v.getFirst().getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString())) {
                     unPassCount.set(unPassCount.get() + 1);
                 }
             });
@@ -646,7 +646,7 @@ public class CaseReviewFunctionalCaseService {
     }
 
     private String newReviewStatus(List<String> historyUsers, List<String> newUsers, List<CaseReviewHistory> reviewHistories, List<CaseReviewFunctionalCaseUser> newReviewers) {
-        CaseReviewHistory caseReviewHistory = reviewHistories.get(0);
+        CaseReviewHistory caseReviewHistory = reviewHistories.getFirst();
         if (newUsers.contains(caseReviewHistory.getCreateUser()) && FunctionalCaseReviewStatus.RE_REVIEWED.name().equals(caseReviewHistory.getStatus())) {
             return FunctionalCaseReviewStatus.RE_REVIEWED.name();
         }
@@ -731,7 +731,7 @@ public class CaseReviewFunctionalCaseService {
         Map<String, List<FunctionalCaseModuleDTO>> projectModuleMap = functionalModuleIds.stream().collect(Collectors.groupingBy(FunctionalCaseModule::getProjectId));
         if (MapUtils.isEmpty(projectModuleMap)) {
             projectRootMap.forEach((projectId, projectOptionDTOList) -> {
-                BaseTreeNode projectNode = new BaseTreeNode(projectId, projectOptionDTOList.get(0).getProjectName(), Project.class.getName());
+                BaseTreeNode projectNode = new BaseTreeNode(projectId, projectOptionDTOList.getFirst().getProjectName(), Project.class.getName());
                 returnList.add(projectNode);
                 BaseTreeNode defaultNode = functionalCaseModuleService.getDefaultModule(Translator.get("functional_case.module.default.name"));
                 projectNode.addChild(defaultNode);
@@ -739,7 +739,7 @@ public class CaseReviewFunctionalCaseService {
             return returnList;
         }
         projectModuleMap.forEach((projectId, moduleList) -> {
-            BaseTreeNode projectNode = new BaseTreeNode(projectId, moduleList.get(0).getProjectName(), Project.class.getName());
+            BaseTreeNode projectNode = new BaseTreeNode(projectId, moduleList.getFirst().getProjectName(), Project.class.getName());
             returnList.add(projectNode);
             List<String> projectModuleIds = moduleList.stream().map(FunctionalCaseModule::getId).toList();
             List<BaseTreeNode> nodeByNodeIds = functionalCaseModuleService.getNodeByNodeIds(projectModuleIds);
@@ -804,8 +804,8 @@ public class CaseReviewFunctionalCaseService {
         List<OptionDTO> optionDTOS = new ArrayList<>();
         collect.forEach((k, v) -> {
             OptionDTO optionDTO = new OptionDTO();
-            optionDTO.setId(v.get(0).getUserName());
+            optionDTO.setId(v.getFirst().getUserName());
-            optionDTO.setName(v.get(0).getStatus());
+            optionDTO.setName(v.getFirst().getStatus());
             optionDTOS.add(optionDTO);
         });
         return optionDTOS;

backend/services/case-management/src/main/java/io/metersphere/functional/service/FunctionalCaseAttachmentService.java

@@ -290,7 +290,7 @@ public class FunctionalCaseAttachmentService {
         example.createCriteria().andFileIdEqualTo(request.getFileId()).andCaseIdEqualTo(request.getCaseId());
         List<FunctionalCaseAttachment> caseAttachments = functionalCaseAttachmentMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(caseAttachments)) {
-            FunctionalCaseAttachment attachment = caseAttachments.get(0);
+            FunctionalCaseAttachment attachment = caseAttachments.getFirst();
             FileRequest fileRequest = new FileRequest();
             fileRequest.setFileName(attachment.getFileName());
             fileRequest.setFolder(DefaultRepositoryDir.getFunctionalCaseDir(request.getProjectId(), request.getCaseId()) + "/" + attachment.getFileId());
@@ -315,7 +315,7 @@ public class FunctionalCaseAttachmentService {
         List<FunctionalCaseAttachment> caseAttachments = functionalCaseAttachmentMapper.selectByExample(example);
         byte[] bytes = null;
         if (CollectionUtils.isNotEmpty(caseAttachments)) {
-            FunctionalCaseAttachment attachment = caseAttachments.get(0);
+            FunctionalCaseAttachment attachment = caseAttachments.getFirst();
             FileRequest fileRequest = new FileRequest();
             fileRequest.setFileName(attachment.getFileName());
             fileRequest.setFolder(DefaultRepositoryDir.getFunctionalCaseDir(request.getProjectId(), request.getCaseId()) + "/" + attachment.getFileId());
@@ -334,7 +334,7 @@ public class FunctionalCaseAttachmentService {
         example.createCriteria().andFileIdEqualTo(request.getFileId()).andCaseIdEqualTo(request.getCaseId());
         List<FunctionalCaseAttachment> caseAttachments = functionalCaseAttachmentMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(caseAttachments)) {
-            return caseAttachments.get(0);
+            return caseAttachments.getFirst();
         }
         return new FunctionalCaseAttachment();
     }
@@ -460,7 +460,7 @@ public class FunctionalCaseAttachmentService {
             if (CollectionUtils.isEmpty(folderFileNames)) {
                 return null;
             }
-            String[] pathSplit = folderFileNames.get(0).split("/");
+            String[] pathSplit = folderFileNames.getFirst().split("/");
             return pathSplit[pathSplit.length - 1];
 
         } catch (Exception e) {
@@ -533,7 +533,7 @@ public class FunctionalCaseAttachmentService {
             bytes = getPreviewImg(fileName, fileId, compressed);
         } else {
             //在正式目录获取
-            FunctionalCaseAttachment attachment = caseAttachments.get(0);
+            FunctionalCaseAttachment attachment = caseAttachments.getFirst();
             fileName = attachment.getFileName();
             FileRequest fileRequest = new FileRequest();
             fileRequest.setFileName(attachment.getFileName());

backend/services/case-management/src/main/java/io/metersphere/functional/service/FunctionalCaseCustomFieldService.java

@@ -60,7 +60,7 @@ public class FunctionalCaseCustomFieldService {
         example.createCriteria().andCaseIdEqualTo(caseId).andFieldIdEqualTo(fieldId);
         List<FunctionalCaseCustomField> functionalCaseCustomFields = functionalCaseCustomFieldMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(functionalCaseCustomFields)) {
-            return functionalCaseCustomFields.get(0);
+            return functionalCaseCustomFields.getFirst();
         }
         return null;
     }

backend/services/case-management/src/main/java/io/metersphere/functional/service/FunctionalCaseDemandService.java

@@ -82,7 +82,7 @@ public class FunctionalCaseDemandService {
                 if (functionalCaseDemandMap.containsKey(demand.getParent())) {
                     FunctionalDemandDTO functionalDemandDTO = new FunctionalDemandDTO();
                     BeanUtils.copyBean(functionalDemandDTO, demand);
-                    functionalCaseDemandMap.get(demand.getParent()).stream().filter(t -> StringUtils.equalsIgnoreCase(t.getDemandPlatform(), demand.getDemandPlatform())).toList().get(0).addChild(functionalDemandDTO);
+                    functionalCaseDemandMap.get(demand.getParent()).stream().filter(t -> StringUtils.equalsIgnoreCase(t.getDemandPlatform(), demand.getDemandPlatform())).toList().getFirst().addChild(functionalDemandDTO);
                     resetMap(demand, functionalCaseDemandMap, functionalDemandDTO);
                 } else {
                     notMatchedList.add(demand);
@@ -196,7 +196,7 @@ public class FunctionalCaseDemandService {
         if (functionalCaseDemand == null) {
             throw new MSException(Translator.get("case.demand.not.exist"));
         }
-        dealWithDemand(request.getDemandList().get(0), functionalCaseDemand);
+        dealWithDemand(request.getDemandList().getFirst(), functionalCaseDemand);
         functionalCaseDemand.setCreateTime(null);
         functionalCaseDemand.setCreateUser(null);
         functionalCaseDemand.setUpdateUser(userId);

backend/services/case-management/src/main/java/io/metersphere/functional/service/FunctionalCaseService.java

@@ -252,7 +252,7 @@ public class FunctionalCaseService {
     private static void copyFile(FunctionalCaseAddRequest request, String caseId, String saveAttachmentFileId, Map<String, List<FunctionalCaseAttachment>> oldFileMap, FunctionalCaseAttachmentDTO functionalCaseAttachmentDTO, FileRepository defaultRepository) {
         List<FunctionalCaseAttachment> oldFunctionalCaseAttachments = oldFileMap.get(saveAttachmentFileId);
         if (CollectionUtils.isNotEmpty(oldFunctionalCaseAttachments)) {
-            FunctionalCaseAttachment functionalCaseAttachment = oldFunctionalCaseAttachments.get(0);
+            FunctionalCaseAttachment functionalCaseAttachment = oldFunctionalCaseAttachments.getFirst();
             // 复制文件
             FileCopyRequest fileCopyRequest = new FileCopyRequest();
             fileCopyRequest.setCopyFolder(DefaultRepositoryDir.getFunctionalCaseDir(request.getProjectId(), functionalCaseAttachment.getCaseId()) + "/" + saveAttachmentFileId);
@@ -362,7 +362,7 @@ public class FunctionalCaseService {
 
         List<ProjectVersion> versions = extBaseProjectVersionMapper.getVersionByIds(List.of(functionalCaseDetailDTO.getVersionId()));
         if (CollectionUtils.isNotEmpty(versions)) {
-            functionalCaseDetailDTO.setVersionName(versions.get(0).getName());
+            functionalCaseDetailDTO.setVersionName(versions.getFirst().getName());
         }
 
 
@@ -483,7 +483,7 @@ public class FunctionalCaseService {
         if (CollectionUtils.isEmpty(functionalCases)) {
             throw new MSException(CaseManagementResultCode.FUNCTIONAL_CASE_NOT_FOUND);
         }
-        return functionalCases.get(0);
+        return functionalCases.getFirst();
     }
 
 
@@ -1061,7 +1061,7 @@ public class FunctionalCaseService {
         example.createCriteria().andNumEqualTo(Long.valueOf(num)).andProjectIdEqualTo(projectId).andDeletedEqualTo(false);
         List<FunctionalCase> functionalCases = functionalCaseMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(functionalCases)) {
-            return functionalCases.get(0).getId();
+            return functionalCases.getFirst().getId();
         }
         return null;
     }
@@ -1343,8 +1343,8 @@ public class FunctionalCaseService {
     }
 
     private void batchHandImportUpdateLog(FunctionalCaseHistoryLogDTO newData, Map<String, List<FunctionalCase>> collect, Map<String, List<FunctionalCaseBlob>> blobsCollect, Map<String, List<FunctionalCaseCustomField>> customFieldMap, List<LogDTO> logDTOS, SessionUser user) {
-        FunctionalCase oldCase = collect.get(newData.getFunctionalCase().getId()).get(0);
+        FunctionalCase oldCase = collect.get(newData.getFunctionalCase().getId()).getFirst();
-        FunctionalCaseBlob oldBlod = blobsCollect.get(newData.getFunctionalCase().getId()).get(0);
+        FunctionalCaseBlob oldBlod = blobsCollect.get(newData.getFunctionalCase().getId()).getFirst();
         List<FunctionalCaseCustomField> oldCustomFields = customFieldMap.get(newData.getFunctionalCase().getId());
         batchSaveImportData(newData, new FunctionalCaseHistoryLogDTO(oldCase, oldBlod, oldCustomFields, new ArrayList<>(), new ArrayList<>()), user, OperationLogType.IMPORT.name(), OperationLogModule.FUNCTIONAL_CASE, logDTOS);
     }
@@ -1377,7 +1377,7 @@ public class FunctionalCaseService {
     private void parseUpdateDataToModule(FunctionalCaseExcelData functionalCaseExcelData, FunctionalCaseImportRequest request, String userId, Map<String, String> caseModulePathMap, TemplateDTO defaultTemplateDTO, FunctionalCaseMapper caseMapper, FunctionalCaseBlobMapper caseBlobMapper,
                                          FunctionalCaseCustomFieldMapper customFieldMapper, Map<String, TemplateCustomFieldDTO> customFieldsMap, Map<String, List<FunctionalCase>> collect, List<FunctionalCaseHistoryLogDTO> historyLogDTOS) {
         //用例表
-        FunctionalCase functionalCase = collect.get(functionalCaseExcelData.getNum()).get(0);
+        FunctionalCase functionalCase = collect.get(functionalCaseExcelData.getNum()).getFirst();
 
         functionalCase.setName(functionalCaseExcelData.getName());
         functionalCase.setModuleId(caseModulePathMap.get(functionalCaseExcelData.getModule()));
@@ -1409,9 +1409,9 @@ public class FunctionalCaseService {
     }
 
     private void addStatusIds(List<ProjectApplication> projectApplications, List<String> caseIds, Map<String, List<FunctionalCase>> collect, Map<String, List<FunctionalCaseBlob>> blobsCollect, FunctionalCaseExcelData functionalCaseExcelData) {
-        FunctionalCase functionalCase = collect.get(functionalCaseExcelData.getNum()).get(0);
+        FunctionalCase functionalCase = collect.get(functionalCaseExcelData.getNum()).getFirst();
-        if (CollectionUtils.isNotEmpty(projectApplications) && Boolean.valueOf(projectApplications.get(0).getTypeValue())) {
+        if (CollectionUtils.isNotEmpty(projectApplications) && Boolean.valueOf(projectApplications.getFirst().getTypeValue())) {
-            FunctionalCaseBlob blob = blobsCollect.get(functionalCaseExcelData.getNum()).get(0);
+            FunctionalCaseBlob blob = blobsCollect.get(functionalCaseExcelData.getNum()).getFirst();
             if (!StringUtils.equals(functionalCase.getName(), functionalCaseExcelData.getName())
                     || !StringUtils.equals(new String(blob.getSteps(), StandardCharsets.UTF_8), StringUtils.defaultIfBlank(functionalCaseExcelData.getSteps(), StringUtils.EMPTY))
                     || !StringUtils.equals(new String(blob.getTextDescription(), StandardCharsets.UTF_8), StringUtils.defaultIfBlank(functionalCaseExcelData.getTextDescription(), StringUtils.EMPTY))

backend/services/case-management/src/main/java/io/metersphere/functional/service/ReviewFunctionalCaseService.java

@@ -135,7 +135,7 @@ public class ReviewFunctionalCaseService {
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(request.getReviewId()).andCaseIdEqualTo(request.getCaseId());
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        String status = caseReviewFunctionalCases.get(0).getStatus();
+        String status = caseReviewFunctionalCases.getFirst().getStatus();
         if (StringUtils.equals(request.getReviewPassRule(), CaseReviewPassRule.SINGLE.toString())) {
             if (StringUtils.equalsIgnoreCase(request.getStatus(), FunctionalCaseReviewStatus.UNDER_REVIEWED.toString()) || isAdmin) {
                 functionalCaseStatus = status;
@@ -151,10 +151,10 @@ public class ReviewFunctionalCaseService {
             AtomicInteger unPassCount = new AtomicInteger();
             hasReviewedUserMap.forEach((k, v) -> {
                 List<CaseReviewHistory> list = v.stream().sorted(Comparator.comparing(CaseReviewHistory::getCreateTime).reversed()).toList();
-                if (StringUtils.equalsIgnoreCase(list.get(0).getStatus(), FunctionalCaseReviewStatus.PASS.toString())) {
+                if (StringUtils.equalsIgnoreCase(list.getFirst().getStatus(), FunctionalCaseReviewStatus.PASS.toString())) {
                     passCount.set(passCount.get() + 1);
                 }
-                if (StringUtils.equalsIgnoreCase(list.get(0).getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString())) {
+                if (StringUtils.equalsIgnoreCase(list.getFirst().getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString())) {
                     unPassCount.set(unPassCount.get() + 1);
                 }
             });

backend/services/case-management/src/test/java/io/metersphere/functional/controller/CaseReviewControllerTests.java

@@ -87,7 +87,7 @@ public class CaseReviewControllerTests extends BaseTest {
         checkLog(caseReview.getId(), OperationLogType.ADD);
         List<CaseReview> caseReviews = getCaseReviews("创建评审1");
         Assertions.assertEquals(1, caseReviews.size());
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
         CaseReviewUserExample caseReviewUserExample = new CaseReviewUserExample();
         caseReviewUserExample.createCriteria().andReviewIdEqualTo(caseReviewId);
         List<CaseReviewUser> caseReviewUsers = caseReviewUserMapper.selectByExample(caseReviewUserExample);
@@ -131,7 +131,7 @@ public class CaseReviewControllerTests extends BaseTest {
          list = caseReviews.stream().map(CaseReview::getId).distinct().toList();
         Assertions.assertEquals(1, list.size());
         caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
-        caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(caseReviews.get(0).getId());
+        caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(caseReviews.getFirst().getId());
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
         FunctionalCaseExample functionalCaseExample = new FunctionalCaseExample();
         functionalCaseExample.createCriteria().andProjectIdEqualTo(baseAssociateCaseRequest.getProjectId());
@@ -194,7 +194,7 @@ public class CaseReviewControllerTests extends BaseTest {
         this.requestPostWithOk(ADD_CASE_REVIEW, caseReviewRequest);
         List<CaseReview> caseReviews = getCaseReviews("创建评审2");
         Assertions.assertEquals(1, caseReviews.size());
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
         CaseReviewUserExample caseReviewUserExample = new CaseReviewUserExample();
         caseReviewUserExample.createCriteria().andReviewIdEqualTo(caseReviewId);
         List<CaseReviewUser> caseReviewUsers = caseReviewUserMapper.selectByExample(caseReviewUserExample);
@@ -213,8 +213,8 @@ public class CaseReviewControllerTests extends BaseTest {
         this.requestPostWithOk(ADD_CASE_REVIEW, caseReviewRequest);
         List<CaseReview> caseReviews = getCaseReviews("创建评审3");
         Assertions.assertEquals(1, caseReviews.size());
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
-        Assertions.assertNotNull(caseReviews.get(0).getTags());
+        Assertions.assertNotNull(caseReviews.getFirst().getTags());
         CaseReviewUserExample caseReviewUserExample = new CaseReviewUserExample();
         caseReviewUserExample.createCriteria().andReviewIdEqualTo(caseReviewId);
         List<CaseReviewUser> caseReviewUsers = caseReviewUserMapper.selectByExample(caseReviewUserExample);
@@ -245,7 +245,7 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(5)
     public void followCaseReview() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审1");
-        CaseReview caseReview = caseReviews.get(0);
+        CaseReview caseReview = caseReviews.getFirst();
         CaseReviewFollowerRequest caseReviewFollowerRequest = new CaseReviewFollowerRequest();
         caseReviewFollowerRequest.setCaseReviewId(caseReview.getId());
         caseReviewFollowerRequest.setUserId("admin");
@@ -276,14 +276,14 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(7)
     public void editCaseReviewSuccess() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审1");
-        CaseReview caseReview = caseReviews.get(0);
+        CaseReview caseReview = caseReviews.getFirst();
         CaseReviewRequest caseReviewRequest = getCaseReviewAddRequest("创建评审更新1", CaseReviewPassRule.SINGLE.toString(), null, true, true, caseReview.getId());
         this.requestPostWithOk(EDIT_CASE_REVIEW, caseReviewRequest);
         List<CaseReview> updateCaseReviews = getCaseReviews("创建评审更新1");
         Assertions.assertEquals(1, updateCaseReviews.size());
 
         List<CaseReview> caseReviews2 = getCaseReviews("创建评审2");
-        CaseReview caseReview2 = caseReviews2.get(0);
+        CaseReview caseReview2 = caseReviews2.getFirst();
         CaseReviewRequest caseReviewRequest2 = getCaseReviewAddRequest("创建评审更新2", CaseReviewPassRule.SINGLE.toString(), null, false, true, caseReview2.getId());
         this.requestPostWithOk(EDIT_CASE_REVIEW, caseReviewRequest2);
         List<CaseReview> updateCaseReviews2 = getCaseReviews("创建评审更新2");
@@ -299,7 +299,7 @@ public class CaseReviewControllerTests extends BaseTest {
         caseReviewRequest = getCaseReviewAddRequest("创建评审更新1", CaseReviewPassRule.SINGLE.toString(), null, true, true, "XXX");
         this.requestPost(EDIT_CASE_REVIEW, caseReviewRequest).andExpect(status().is5xxServerError());
         List<CaseReview> caseReviews = getCaseReviews("创建评审1");
-        CaseReview caseReview = caseReviews.get(0);
+        CaseReview caseReview = caseReviews.getFirst();
         CaseReviewRequest caseReviewRequestWidthStartTime = getCaseReviewAddRequest("创建评审更新1", CaseReviewPassRule.SINGLE.toString(), caseReview.getId(), true, true, null);
         caseReviewRequestWidthStartTime.setStartTime(1678188043000L);
         caseReviewRequestWidthStartTime.setEndTime(1678188103000L);
@@ -324,7 +324,7 @@ public class CaseReviewControllerTests extends BaseTest {
     public void associateCaseSuccess() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
         Assertions.assertEquals(1, caseReviews.size());
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
         CaseReviewAssociateRequest caseReviewAssociateRequest = new CaseReviewAssociateRequest();
         caseReviewAssociateRequest.setProjectId(projectId);
         caseReviewAssociateRequest.setReviewId(caseReviewId);
@@ -350,7 +350,7 @@ public class CaseReviewControllerTests extends BaseTest {
         Assertions.assertTrue(userIdList.contains("gyq_review_test"));
         Assertions.assertTrue(userIdList.contains("gyq_review_test2"));
         List<CaseReview> caseReviews2 = getCaseReviews("创建评审更新1");
-        Assertions.assertTrue( caseReviews.get(0).getCaseCount()<caseReviews2.get(0).getCaseCount());
+        Assertions.assertTrue( caseReviews.getFirst().getCaseCount()<caseReviews2.getFirst().getCaseCount());
     }
 
     @Test
@@ -371,7 +371,7 @@ public class CaseReviewControllerTests extends BaseTest {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
         caseReviewAssociateRequest = new CaseReviewAssociateRequest();
         caseReviewAssociateRequest.setProjectId(projectId);
-        caseReviewAssociateRequest.setReviewId(caseReviews.get(0).getId());
+        caseReviewAssociateRequest.setReviewId(caseReviews.getFirst().getId());
         baseAssociateCaseRequest = new BaseAssociateCaseRequest();
         baseAssociateCaseRequest.setProjectId(projectId);
         baseAssociateCaseRequest.setSelectAll(false);
@@ -385,7 +385,7 @@ public class CaseReviewControllerTests extends BaseTest {
 
         caseReviewAssociateRequest = new CaseReviewAssociateRequest();
         caseReviewAssociateRequest.setProjectId(projectId);
-        caseReviewAssociateRequest.setReviewId(caseReviews.get(0).getId());
+        caseReviewAssociateRequest.setReviewId(caseReviews.getFirst().getId());
         baseAssociateCaseRequest = new BaseAssociateCaseRequest();
         baseAssociateCaseRequest.setProjectId("project-gyq-case-review-testYY");
         baseAssociateCaseRequest.setSelectAll(true);
@@ -453,7 +453,7 @@ public class CaseReviewControllerTests extends BaseTest {
         Assertions.assertTrue(moduleCount.containsKey("all"));
 
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
-        caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(caseReviews.get(0).getId());
+        caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(caseReviews.getFirst().getId());
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
         Map<String, CaseReviewFunctionalCase> caseReviewFunctionalCaseMap = caseReviewFunctionalCases.stream().collect(Collectors.toMap(CaseReviewFunctionalCase::getCaseId, t -> t));
         caseReviewFunctionalCaseMap.forEach((k, v) -> {
@@ -491,11 +491,11 @@ public class CaseReviewControllerTests extends BaseTest {
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= request.getPageSize());
         List<CaseReviewDTO> caseReviewDTOS = JSON.parseArray(JSON.toJSONString(pageData.getList()), CaseReviewDTO.class);
         List<CaseReviewDTO> caseReviewOne = caseReviewDTOS.stream().filter(t -> StringUtils.equals(t.getName(), "创建评审更新1")).toList();
-        Assertions.assertTrue(caseReviewOne.get(0).getPassCount() > 0);
+        Assertions.assertTrue(caseReviewOne.getFirst().getPassCount() > 0);
-        Assertions.assertTrue(caseReviewOne.get(0).getUnPassCount() > 0);
+        Assertions.assertTrue(caseReviewOne.getFirst().getUnPassCount() > 0);
-        Assertions.assertTrue(caseReviewOne.get(0).getUnderReviewedCount() > 0);
+        Assertions.assertTrue(caseReviewOne.getFirst().getUnderReviewedCount() > 0);
-        Assertions.assertTrue(caseReviewOne.get(0).getReReviewedCount() > 0);
+        Assertions.assertTrue(caseReviewOne.getFirst().getReReviewedCount() > 0);
-        Assertions.assertTrue(caseReviewOne.get(0).getReviewedCount() > 0);
+        Assertions.assertTrue(caseReviewOne.getFirst().getReviewedCount() > 0);
 
         request = new CaseReviewPageRequest();
         filters = new HashMap<>();
@@ -551,26 +551,26 @@ public class CaseReviewControllerTests extends BaseTest {
     public void testPos() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
         List<CaseReview> caseReviews2 = getCaseReviews("创建评审更新2");
-        Long pos = caseReviews.get(0).getPos();
+        Long pos = caseReviews.getFirst().getPos();
-        Long pos2 = caseReviews2.get(0).getPos();
+        Long pos2 = caseReviews2.getFirst().getPos();
         PosRequest posRequest = new PosRequest();
         posRequest.setProjectId(projectId);
-        posRequest.setTargetId(caseReviews.get(0).getId());
+        posRequest.setTargetId(caseReviews.getFirst().getId());
-        posRequest.setMoveId(caseReviews2.get(0).getId());
+        posRequest.setMoveId(caseReviews2.getFirst().getId());
         posRequest.setMoveMode("AFTER");
         this.requestPostWithOkAndReturn(EDIT_POS_CASE_REVIEW_URL, posRequest);
         caseReviews = getCaseReviews("创建评审更新1");
         caseReviews2 = getCaseReviews("创建评审更新2");
-        Long pos3 = caseReviews.get(0).getPos();
+        Long pos3 = caseReviews.getFirst().getPos();
-        Long pos4 = caseReviews2.get(0).getPos();
+        Long pos4 = caseReviews2.getFirst().getPos();
         Assertions.assertTrue(Objects.equals(pos, pos3));
         Assertions.assertTrue(pos2 > pos4);
         posRequest.setMoveMode("BEFORE");
         this.requestPostWithOkAndReturn(EDIT_POS_CASE_REVIEW_URL, posRequest);
         caseReviews = getCaseReviews("创建评审更新1");
         caseReviews2 = getCaseReviews("创建评审更新2");
-        Long pos5 = caseReviews.get(0).getPos();
+        Long pos5 = caseReviews.getFirst().getPos();
-        Long pos6 = caseReviews2.get(0).getPos();
+        Long pos6 = caseReviews2.getFirst().getPos();
         Assertions.assertTrue(Objects.equals(pos5, pos3));
         Assertions.assertTrue(pos6 > pos4);
     }
@@ -579,7 +579,7 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(14)
     public void testFunctionalCaseDetail() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
-        String id = caseReviews.get(0).getId();
+        String id = caseReviews.getFirst().getId();
         assertErrorCode(this.requestGet(DETAIL_CASE_REVIEW + "ERROR_TEST_FUNCTIONAL_CASE_ID"), CaseManagementResultCode.CASE_REVIEW_NOT_FOUND);
         MvcResult mvcResult = this.requestGetWithOkAndReturn(DETAIL_CASE_REVIEW + id);
         // 获取返回值
@@ -593,17 +593,17 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(15)
     public void testBatchMove() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
-        String moduleId = caseReviews.get(0).getModuleId();
+        String moduleId = caseReviews.getFirst().getModuleId();
         CaseReviewBatchRequest request = new CaseReviewBatchRequest();
         request.setProjectId(projectId);
         request.setMoveModuleId("CASE_REVIEW_REAL_MODULE_ID2");
         request.setSelectAll(false);
         this.requestPostWithOkAndReturn(BATCH_MOVE_CASE_REVIEW, request);
         request.setSelectAll(true);
-        request.setExcludeIds(List.of(caseReviews.get(0).getId()));
+        request.setExcludeIds(List.of(caseReviews.getFirst().getId()));
         this.requestPostWithOkAndReturn(BATCH_MOVE_CASE_REVIEW, request);
         caseReviews = getCaseReviews("创建评审更新1");
-        String moduleIdNew = caseReviews.get(0).getModuleId();
+        String moduleIdNew = caseReviews.getFirst().getModuleId();
         Assertions.assertTrue(StringUtils.equals(moduleId, moduleIdNew));
         request = new CaseReviewBatchRequest();
         request.setProjectId(projectId);
@@ -611,7 +611,7 @@ public class CaseReviewControllerTests extends BaseTest {
         request.setSelectAll(false);
         this.requestPostWithOkAndReturn(BATCH_MOVE_CASE_REVIEW, request);
         caseReviews = getCaseReviews("创建评审更新1");
-        String moduleIdNewOne = caseReviews.get(0).getModuleId();
+        String moduleIdNewOne = caseReviews.getFirst().getModuleId();
         Assertions.assertTrue(StringUtils.equals(moduleIdNewOne, moduleIdNew));
         request.setMoveModuleId(null);
         request.setSelectAll(false);
@@ -622,7 +622,7 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(16)
     public void testDelete() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新2");
-        delCaseReview(caseReviews.get(0).getId());
+        delCaseReview(caseReviews.getFirst().getId());
 
         delCaseReview("caseReviewIdX");
     }
@@ -633,7 +633,7 @@ public class CaseReviewControllerTests extends BaseTest {
     public void testDisassociate() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
         Assertions.assertEquals(1, caseReviews.size());
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(caseReviewId).andCaseIdEqualTo("CASE_REVIEW_TEST_GYQ_ID6");
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
@@ -651,7 +651,7 @@ public class CaseReviewControllerTests extends BaseTest {
 
         caseReviews = getCaseReviews("创建评审3");
         Assertions.assertEquals(1, caseReviews.size());
-        caseReviewId = caseReviews.get(0).getId();
+        caseReviewId = caseReviews.getFirst().getId();
         CaseReviewAssociateRequest caseReviewAssociateRequest = new CaseReviewAssociateRequest();
         caseReviewAssociateRequest.setProjectId(projectId);
         caseReviewAssociateRequest.setReviewId(caseReviewId);
@@ -680,7 +680,7 @@ public class CaseReviewControllerTests extends BaseTest {
     @Order(18)
     public void testDisassociateFalse() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建评审更新1");
-        String caseReviewId = caseReviews.get(0).getId();
+        String caseReviewId = caseReviews.getFirst().getId();
         mockMvc.perform(MockMvcRequestBuilders.get(DISASSOCIATE_CASE_REVIEW+caseReviewId+"/CASE_REVIEW_TEST_GYQ_IDXX").header(SessionConstants.HEADER_TOKEN, sessionId)
                         .header(SessionConstants.CSRF_TOKEN, csrfToken)
                         .header(SessionConstants.CURRENT_PROJECT, projectId)

backend/services/case-management/src/test/java/io/metersphere/functional/controller/CaseReviewFunctionalCaseControllerTests.java

@@ -238,7 +238,7 @@ public class CaseReviewFunctionalCaseControllerTests extends BaseTest {
     @Order(7)
     public void testPos() throws Exception {
         List<CaseReviewFunctionalCase> caseReviewList = getCaseReviewFunctionalCase("wx_review_id_1");
-        CaseReviewFunctionalCase caseReviews = caseReviewList.get(0);
+        CaseReviewFunctionalCase caseReviews = caseReviewList.getFirst();
         CaseReviewFunctionalCase caseReviews2 = caseReviewList.get(1);
         Long pos = caseReviews.getPos();
         Long pos2 = caseReviews2.getPos();
@@ -251,7 +251,7 @@ public class CaseReviewFunctionalCaseControllerTests extends BaseTest {
         this.requestPostWithOkAndReturn(REVIEW_FUNCTIONAL_CASE_POS, posRequest);
         caseReviewList = getCaseReviewFunctionalCase("wx_review_id_1");
         caseReviews = caseReviewList.get(1);
-        caseReviews2 = caseReviewList.get(0);
+        caseReviews2 = caseReviewList.getFirst();
         Long pos3 = caseReviews.getPos();
         Long pos4 = caseReviews2.getPos();
         Assertions.assertTrue(Objects.equals(pos, pos3));
@@ -259,7 +259,7 @@ public class CaseReviewFunctionalCaseControllerTests extends BaseTest {
         posRequest.setMoveMode("BEFORE");
         this.requestPostWithOkAndReturn(REVIEW_FUNCTIONAL_CASE_POS, posRequest);
         caseReviewList = getCaseReviewFunctionalCase("wx_review_id_1");
-        caseReviews = caseReviewList.get(0);
+        caseReviews = caseReviewList.getFirst();
         caseReviews2 = caseReviewList.get(1);
         Long pos5 = caseReviews.getPos();
         Long pos6 = caseReviews2.getPos();

backend/services/case-management/src/test/java/io/metersphere/functional/controller/FunctionalCaseCommentControllerTests.java

@@ -435,7 +435,7 @@ public class FunctionalCaseCommentControllerTests {
         FunctionalCaseCommentExample functionalCaseCommentExample = new FunctionalCaseCommentExample();
         functionalCaseCommentExample.createCriteria().andCaseIdEqualTo("xiaomeinvGTest").andNotifierEqualTo("default-project-member-user-guo;default-project-member-user-guo;default-project-member-user-guo-4;");
         List<FunctionalCaseComment> functionalCaseComments = functionalCaseCommentMapper.selectByExample(functionalCaseCommentExample);
-        String id = functionalCaseComments.get(0).getId();
+        String id = functionalCaseComments.getFirst().getId();
         Assertions.assertFalse(functionalCaseComments.isEmpty());
         delFunctionalCaseComment(id);
         functionalCaseCommentExample = new FunctionalCaseCommentExample();
@@ -517,7 +517,7 @@ public class FunctionalCaseCommentControllerTests {
         FunctionalCaseCommentExample functionalCaseCommentExample = new FunctionalCaseCommentExample();
         functionalCaseCommentExample.createCriteria().andCaseIdEqualTo("xiaomeinvGTest");
         List<FunctionalCaseComment> functionalCaseComments = functionalCaseCommentMapper.selectByExample(functionalCaseCommentExample);
-        return functionalCaseComments.get(0);
+        return functionalCaseComments.getFirst();
     }
 
 }

backend/services/case-management/src/test/java/io/metersphere/functional/controller/FunctionalCaseDemandControllerTests.java

@@ -273,7 +273,7 @@ public class FunctionalCaseDemandControllerTests extends BaseTest {
         functionalCaseDemandExample = new FunctionalCaseDemandExample();
         functionalCaseDemandExample.createCriteria().andCaseIdEqualTo("DEMAND_TEST_FUNCTIONAL_CASE_ID");
         functionalCaseDemands = functionalCaseDemandMapper.selectByExample(functionalCaseDemandExample);
-        Assertions.assertTrue(StringUtils.equals(functionalCaseDemands.get(0).getDemandName(), "手动加入2"));
+        Assertions.assertTrue(StringUtils.equals(functionalCaseDemands.getFirst().getDemandName(), "手动加入2"));
     }
 
     @Test
@@ -292,7 +292,7 @@ public class FunctionalCaseDemandControllerTests extends BaseTest {
         functionalCaseDemandExample = new FunctionalCaseDemandExample();
         functionalCaseDemandExample.createCriteria().andCaseIdEqualTo("DEMAND_TEST_FUNCTIONAL_CASE_ID");
         functionalCaseDemands = functionalCaseDemandMapper.selectByExample(functionalCaseDemandExample);
-        Assertions.assertTrue(StringUtils.equals(functionalCaseDemands.get(0).getDemandName(), "手动加入2"));
+        Assertions.assertTrue(StringUtils.equals(functionalCaseDemands.getFirst().getDemandName(), "手动加入2"));
     }
 
     @Test
@@ -314,7 +314,7 @@ public class FunctionalCaseDemandControllerTests extends BaseTest {
         functionalCaseDemandExample = new FunctionalCaseDemandExample();
         functionalCaseDemandExample.createCriteria().andCaseIdEqualTo("DEMAND_TEST_FUNCTIONAL_CASE_ID");
         functionalCaseDemands = functionalCaseDemandMapper.selectByExample(functionalCaseDemandExample);
-        Assertions.assertNotNull(functionalCaseDemands.get(0).getDemandId());
+        Assertions.assertNotNull(functionalCaseDemands.getFirst().getDemandId());
 
         functionalCaseDemandRequest = new FunctionalCaseDemandRequest();
         functionalCaseDemandRequest.setId("hehe");
@@ -344,7 +344,7 @@ public class FunctionalCaseDemandControllerTests extends BaseTest {
         FunctionalCaseDemandExample functionalCaseDemandExample = new FunctionalCaseDemandExample();
         functionalCaseDemandExample.createCriteria().andCaseIdEqualTo(caseId);
         List<FunctionalCaseDemand> functionalCaseDemands = functionalCaseDemandMapper.selectByExample(functionalCaseDemandExample);
-        return functionalCaseDemands.get(0).getId();
+        return functionalCaseDemands.getFirst().getId();
     }
 
     @Test

backend/services/case-management/src/test/java/io/metersphere/functional/controller/FunctionalCaseMinderControllerTest.java

@@ -291,7 +291,7 @@ public class FunctionalCaseMinderControllerTest extends BaseTest {
         FunctionalCaseCustomFieldExample customFieldExample = new FunctionalCaseCustomFieldExample();
         customFieldExample.createCriteria().andCaseIdEqualTo("TEST_FUNCTIONAL_MINDER_CASE_ID_1").andFieldIdEqualTo("custom_field_minder_gyq_id_3");
         List<FunctionalCaseCustomField> functionalCaseCustomFields = functionalCaseCustomFieldMapper.selectByExample(customFieldExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(functionalCaseCustomFields.get(0).getValue(),"P0"));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(functionalCaseCustomFields.getFirst().getValue(),"P0"));
 
         FunctionalCaseModule functionalCaseModule = functionalCaseModuleMapper.selectByPrimaryKey("TEST_MINDER_MODULE_ID_GYQ7");
         Assertions.assertTrue(StringUtils.equalsIgnoreCase(functionalCaseModule.getName(),"移动7"));
@@ -313,18 +313,18 @@ public class FunctionalCaseMinderControllerTest extends BaseTest {
         functionalCaseExample.createCriteria().andNameEqualTo("新增用例");
         functionalCases = functionalCaseMapper.selectByExample(functionalCaseExample);
         Assertions.assertTrue(CollectionUtils.isNotEmpty(functionalCases));
-        Assertions.assertTrue(functionalCases.get(0).getPos() > 0L);
+        Assertions.assertTrue(functionalCases.getFirst().getPos() > 0L);
 
         Assertions.assertTrue(CollectionUtils.isNotEmpty(functionalCases));
         customFieldExample = new FunctionalCaseCustomFieldExample();
-        customFieldExample.createCriteria().andCaseIdEqualTo(functionalCases.get(0).getId()).andFieldIdEqualTo("custom_field_minder_gyq_id_3");
+        customFieldExample.createCriteria().andCaseIdEqualTo(functionalCases.getFirst().getId()).andFieldIdEqualTo("custom_field_minder_gyq_id_3");
         functionalCaseCustomFields = functionalCaseCustomFieldMapper.selectByExample(customFieldExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(functionalCaseCustomFields.get(0).getValue(),"P2"));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(functionalCaseCustomFields.getFirst().getValue(),"P2"));
         FunctionalCaseModuleExample functionalCaseModuleExample = new FunctionalCaseModuleExample();
         functionalCaseModuleExample.createCriteria().andNameEqualTo("新增9");
         List<FunctionalCaseModule> functionalCaseModules = functionalCaseModuleMapper.selectByExample(functionalCaseModuleExample);
         Assertions.assertTrue(CollectionUtils.isNotEmpty(functionalCaseModules));
-        Assertions.assertTrue(functionalCaseModules.get(0).getPos() > 0L);
+        Assertions.assertTrue(functionalCaseModules.getFirst().getPos() > 0L);
         request = new FunctionalCaseMinderEditRequest();
         request.setProjectId("project-case-minder-test");
         request.setVersionId("ffff");

backend/services/case-management/src/test/java/io/metersphere/functional/controller/FunctionalCaseReviewControllerTests.java

@@ -76,7 +76,7 @@ public class FunctionalCaseReviewControllerTests extends BaseTest {
         caseReviewHistory.setCreateTime(System.currentTimeMillis());
         caseReviewHistoryMapper.insertSelective(caseReviewHistory);
         List<CaseReviewHistoryDTO> gyqReviewCaseTest = getCaseReviewHistoryList("gyqReviewCaseTest");
-        Assertions.assertTrue(StringUtils.isNotBlank(gyqReviewCaseTest.get(0).getContentText()));
+        Assertions.assertTrue(StringUtils.isNotBlank(gyqReviewCaseTest.getFirst().getContentText()));
         caseReviewHistory = new CaseReviewHistory();
         caseReviewHistory.setReviewId("用例关系名称2");
         caseReviewHistory.setCaseId("gyqReviewCaseTest");

backend/services/case-management/src/test/java/io/metersphere/functional/controller/FunctionalTestCaseControllerTests.java

@@ -581,7 +581,7 @@ public class FunctionalTestCaseControllerTests extends BaseTest {
         testPlanCaseExecuteHistory.setCreateTime(System.currentTimeMillis());
         testPlanCaseExecuteHistoryMapper.insertSelective(testPlanCaseExecuteHistory);
         List<TestPlanCaseExecuteHistoryDTO> gyqReviewCaseTest = getPlanExecuteHistoryList("gyq_associate_function_case");
-        Assertions.assertTrue(StringUtils.isNotBlank(gyqReviewCaseTest.get(0).getContentText()));
+        Assertions.assertTrue(StringUtils.isNotBlank(gyqReviewCaseTest.getFirst().getContentText()));
         testPlanCaseExecuteHistory = new TestPlanCaseExecuteHistory();
         testPlanCaseExecuteHistory.setTestPlanCaseId("test_plan_associate_case_gyq_two");
         testPlanCaseExecuteHistory.setTestPlanId("associate_case_plan_gyq_two");

backend/services/case-management/src/test/java/io/metersphere/functional/controller/ReviewFunctionalCaseControllerTests.java

@@ -94,7 +94,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         reviewers.add("admin");
         reviewers.add("default-project-member-user-gyq");
         List<CaseReview> caseReviews = addReview("创建用例评审1", caseIds, reviewers, CaseReviewPassRule.SINGLE.toString());
-        String reviewId = caseReviews.get(0).getId();
+        String reviewId = caseReviews.getFirst().getId();
         ReviewFunctionalCaseRequest reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
         reviewFunctionalCaseRequest.setCaseId("gyqReviewCaseTest");
@@ -111,7 +111,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTest");
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.PASS.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.PASS.toString()));
         //单人评审不通过
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
@@ -129,7 +129,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestOne");
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString()));
 
 
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
@@ -148,7 +148,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestOne");
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
 
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
@@ -161,7 +161,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         reviewFunctionalCaseService.saveReview(reviewFunctionalCaseRequest, "default-project-member-user-gyq-4");
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestOne");
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
 
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
@@ -174,7 +174,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         reviewFunctionalCaseService.saveReview(reviewFunctionalCaseRequest, "admin");
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestOne");
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.RE_REVIEWED.toString()));
     }
 
     @Test
@@ -187,7 +187,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         reviewers.add("admin");
         reviewers.add("default-project-member-user-gyq");
         List<CaseReview> caseReviews = addReview("创建用例评审2", caseIds, reviewers, CaseReviewPassRule.MULTIPLE.toString());
-        String reviewId = caseReviews.get(0).getId();
+        String reviewId = caseReviews.getFirst().getId();
         CaseReviewHistory caseReviewHistory = new CaseReviewHistory();
         caseReviewHistory.setReviewId(reviewId);
         caseReviewHistory.setCaseId("gyqReviewCaseTestTwo");
@@ -213,9 +213,9 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestTwo");
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.UNDER_REVIEWED.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.UNDER_REVIEWED.toString()));
         List<CaseReview> caseReviews1 = getCaseReviews("创建用例评审2");
-        System.out.println(caseReviews1.get(0).getStatus());
+        System.out.println(caseReviews1.getFirst().getStatus());
 
 
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
@@ -247,7 +247,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         List<String> reviewers = new ArrayList<>();
         reviewers.add("admin");
         List<CaseReview> caseReviews = addReview("创建用例评审3", caseIds, reviewers, CaseReviewPassRule.MULTIPLE.toString());
-        String reviewId = caseReviews.get(0).getId();
+        String reviewId = caseReviews.getFirst().getId();
         ReviewFunctionalCaseRequest reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
         reviewFunctionalCaseRequest.setCaseId("gyqReviewCaseTestThree");
@@ -264,7 +264,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         CaseReviewFunctionalCaseExample caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestThree");
         List<CaseReviewFunctionalCase> caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.PASS.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.PASS.toString()));
 
         reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
@@ -282,7 +282,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         caseReviewFunctionalCaseExample = new CaseReviewFunctionalCaseExample();
         caseReviewFunctionalCaseExample.createCriteria().andReviewIdEqualTo(reviewId).andCaseIdEqualTo("gyqReviewCaseTestFour");
         caseReviewFunctionalCases = caseReviewFunctionalCaseMapper.selectByExample(caseReviewFunctionalCaseExample);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.get(0).getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(caseReviewFunctionalCases.getFirst().getStatus(), FunctionalCaseReviewStatus.UN_PASS.toString()));
 
 
     }
@@ -297,7 +297,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
         List<String> reviewers = new ArrayList<>();
         reviewers.add("admin");
         List<CaseReview> caseReviews = addReview("创建用例评审4", caseIds, reviewers, CaseReviewPassRule.SINGLE.toString());
-        String reviewId = caseReviews.get(0).getId();
+        String reviewId = caseReviews.getFirst().getId();
         ReviewFunctionalCaseRequest reviewFunctionalCaseRequest = new ReviewFunctionalCaseRequest();
         reviewFunctionalCaseRequest.setReviewId(reviewId);
         reviewFunctionalCaseRequest.setCaseId("gyqReviewCaseTestFour");
@@ -313,7 +313,7 @@ public class ReviewFunctionalCaseControllerTests extends BaseTest {
     @Order(4)
     public void getListSuccess() throws Exception {
         List<CaseReview> caseReviews = getCaseReviews("创建用例评审1");
-        String reviewId = caseReviews.get(0).getId();
+        String reviewId = caseReviews.getFirst().getId();
         CaseReviewHistory caseReviewHistory = new CaseReviewHistory();
         caseReviewHistory.setReviewId(reviewId);
         caseReviewHistory.setCaseId("gyqReviewCaseTest");

backend/services/project-management/src/main/java/io/metersphere/project/dto/environment/ssl/KeyStoreConfig.java

@@ -19,10 +19,10 @@ public class KeyStoreConfig {
         if (CollectionUtils.isNotEmpty(entry)) {
             List<KeyStoreEntry> entryList = this.entry.stream().filter(KeyStoreEntry::isDefault).collect(Collectors.toList());
             if (CollectionUtils.isNotEmpty(entryList)) {
-                if (StringUtils.isNotEmpty(entryList.get(0).getNewAsName())) {
+                if (StringUtils.isNotEmpty(entryList.getFirst().getNewAsName())) {
-                    return entryList.get(0).getNewAsName();
+                    return entryList.getFirst().getNewAsName();
                 } else {
-                    return entryList.get(0).getOriginalAsName();
+                    return entryList.getFirst().getOriginalAsName();
                 }
             }
         }
@@ -33,7 +33,7 @@ public class KeyStoreConfig {
         if (CollectionUtils.isNotEmpty(entry)) {
             List<KeyStoreEntry> entryList = this.entry.stream().filter(ks -> StringUtils.equals(asName, ks.getNewAsName())).collect(Collectors.toList());
             if (CollectionUtils.isNotEmpty(entryList) && CollectionUtils.isNotEmpty(files) && files.size() == 1) {
-                return entryList.get(0).getOriginalAsName();
+                return entryList.getFirst().getOriginalAsName();
             }
         }
         return asName;

backend/services/project-management/src/main/java/io/metersphere/project/service/MessageTaskLogService.java

@@ -60,7 +60,7 @@ public class MessageTaskLogService {
         dto.setPath("/notice/message/task/save");
         dto.setMethod(HttpMethodConstants.POST.name());
         if (CollectionUtils.isNotEmpty(messageTasks)) {
-            dto.setOriginalValue(JSON.toJSONBytes(messageTasks.get(0)));
+            dto.setOriginalValue(JSON.toJSONBytes(messageTasks.getFirst()));
         }
         return dto;
     }
@@ -136,7 +136,7 @@ public class MessageTaskLogService {
             ProjectRobotExample projectRobotExample = new ProjectRobotExample();
             projectRobotExample.createCriteria().andProjectIdEqualTo(projectId).andPlatformEqualTo(NoticeConstants.Type.IN_SITE);
             List<ProjectRobot> projectRobots = projectRobotMapper.selectByExample(projectRobotExample);
-            robotId = projectRobots.get(0).getId();
+            robotId = projectRobots.getFirst().getId();
         }
         return robotId;
     }

backend/services/project-management/src/main/java/io/metersphere/project/service/NoticeMessageTaskService.java

@@ -85,7 +85,7 @@ public class NoticeMessageTaskService {
         sqlSession.flushStatements();
         SqlSessionUtils.closeSqlSession(sqlSession, sqlSessionFactory);
         if (CollectionUtils.isNotEmpty(stringListMap.get(NO_USER_NAMES))) {
-            String message = Translator.get("alert_others") + stringListMap.get(NO_USER_NAMES).get(0) + Translator.get("user.remove");
+            String message = Translator.get("alert_others") + stringListMap.get(NO_USER_NAMES).getFirst() + Translator.get("user.remove");
             return ResultHolder.successCodeErrorInfo(ProjectResultCode.SAVE_MESSAGE_TASK_USER_NO_EXIST.getCode(), message);
         }
         return ResultHolder.success("OK");
@@ -130,7 +130,7 @@ public class NoticeMessageTaskService {
             ProjectRobotExample projectRobotExample = new ProjectRobotExample();
             projectRobotExample.createCriteria().andProjectIdEqualTo(projectId).andPlatformEqualTo(NoticeConstants.Type.IN_SITE);
             List<ProjectRobot> projectRobots = projectRobotMapper.selectByExample(projectRobotExample);
-            return projectRobots.get(0);
+            return projectRobots.getFirst();
         } else {
             return projectRobotMapper.selectByPrimaryKey(robotId);
         }
@@ -503,9 +503,9 @@ public class NoticeMessageTaskService {
         }
         Map<String, List<MessageTask>> messageRobotMap = messageTasks.stream().collect(Collectors.groupingBy(MessageTask::getProjectRobotId));
         if (CollectionUtils.isNotEmpty(messageRobotMap.get(robotId))) {
-            messageTask = messageRobotMap.get(robotId).get(0);
+            messageTask = messageRobotMap.get(robotId).getFirst();
         } else {
-            messageTask = messageTasks.get(0);
+            messageTask = messageTasks.getFirst();
             messageTask.setEnable(false);
             messageTask.setUseDefaultTemplate(true);
             messageTask.setUseDefaultSubject(true);

backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectApplicationService.java

@@ -422,7 +422,7 @@ public class ProjectApplicationService {
                 example.createCriteria().andTypeEqualTo(String.valueOf(module)).andProjectIdEqualTo(projectId);
                 List<ProjectApplication> applications = projectApplicationMapper.selectByExample(example);
                 if (CollectionUtils.isNotEmpty(applications)) {
-                    moduleMap.put(String.valueOf(module), Boolean.valueOf(applications.get(0).getTypeValue()));
+                    moduleMap.put(String.valueOf(module), Boolean.valueOf(applications.getFirst().getTypeValue()));
                 } else {
                     moduleMap.put(String.valueOf(module), Boolean.TRUE);
                 }
@@ -542,7 +542,7 @@ public class ProjectApplicationService {
         example.createCriteria().andProjectIdEqualTo(projectId).andTypeLike(ProjectApplicationType.BUG.BUG_SYNC.name() + "_" + ProjectApplicationType.PLATFORM_BUG_CONFIG.BUG_PLATFORM_CONFIG.name());
         List<ProjectApplication> list = projectApplicationMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(list)) {
-            return list.get(0).getTypeValue().replaceAll("\\\\", "");
+            return list.getFirst().getTypeValue().replaceAll("\\\\", "");
         }
         return null;
     }
@@ -559,7 +559,7 @@ public class ProjectApplicationService {
         example.createCriteria().andProjectIdEqualTo(projectId).andTypeLike(ProjectApplicationType.CASE_RELATED_CONFIG.CASE_RELATED.name() + "_" + ProjectApplicationType.PLATFORM_DEMAND_CONFIG.DEMAND_PLATFORM_CONFIG.name());
         List<ProjectApplication> list = projectApplicationMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(list)) {
-            return list.get(0).getTypeValue().replaceAll("\\\\", "");
+            return list.getFirst().getTypeValue().replaceAll("\\\\", "");
         }
         return null;
     }
@@ -568,7 +568,7 @@ public class ProjectApplicationService {
         ProjectApplicationExample example = new ProjectApplicationExample();
         example.createCriteria().andProjectIdEqualTo(projectId).andTypeEqualTo(type);
         List<ProjectApplication> projectApplications = projectApplicationMapper.selectByExample(example);
-        return CollectionUtils.isEmpty(projectApplications) ? null : projectApplications.get(0);
+        return CollectionUtils.isEmpty(projectApplications) ? null : projectApplications.getFirst();
     }
 
     /**
@@ -604,7 +604,7 @@ public class ProjectApplicationService {
         example.createCriteria().andProjectIdEqualTo(projectId).andTypeEqualTo(ProjectApplicationType.BUG.BUG_SYNC.name() + "_MECHANISM");
         List<ProjectApplication> list = projectApplicationMapper.selectByExample(example);
         if (CollectionUtils.isNotEmpty(list)) {
-            return StringUtils.equals(list.get(0).getTypeValue(), "increment");
+            return StringUtils.equals(list.getFirst().getTypeValue(), "increment");
         } else {
             return false;
         }

backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectRobotService.java

@@ -128,11 +128,11 @@ public class ProjectRobotService {
         List<ProjectRobot> newProjectRobots = new ArrayList<>(list.stream().sorted(Comparator.comparing(ProjectRobot::getCreateTime).reversed()).toList());
         List<ProjectRobot> mailRobot = collect.get(NoticeConstants.Type.MAIL);
         if (CollectionUtils.isNotEmpty(mailRobot)) {
-            newProjectRobots.add(0, mailRobot.get(0));
+            newProjectRobots.add(0, mailRobot.getFirst());
         }
         List<ProjectRobot> inSiteRobot = collect.get(NoticeConstants.Type.IN_SITE);
         if (CollectionUtils.isNotEmpty(inSiteRobot)) {
-            newProjectRobots.add(0, inSiteRobot.get(0));
+            newProjectRobots.add(0, inSiteRobot.getFirst());
         }
         return newProjectRobots;
     }

backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectTemplateService.java

@@ -212,7 +212,7 @@ public class ProjectTemplateService extends BaseTemplateService {
                 .andScopeIdEqualTo(projectId)
                 .andSceneEqualTo(scene)
                 .andInternalEqualTo(true);
-        return templateMapper.selectByExample(example).get(0);
+        return templateMapper.selectByExample(example).getFirst();
     }
 
     /**

backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectUserRoleLogService.java

@@ -68,7 +68,7 @@ public class ProjectUserRoleLogService {
 
         UserRoleExample example = new UserRoleExample();
         example.createCriteria().andIdEqualTo(request.getId());
-        UserRole userRole = userRoleMapper.selectByExample(example).get(0);
+        UserRole userRole = userRoleMapper.selectByExample(example).getFirst();
         dto.setOriginalValue(JSON.toJSONBytes(userRole.getName()));
         dto.setModifiedValue(JSON.toJSONBytes(request.getName()));
         return dto;

backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectUserRoleService.java

@@ -124,7 +124,7 @@ public class ProjectUserRoleService extends BaseUserRoleService {
     }
 
     public void removeMember(ProjectUserRoleMemberEditRequest request) {
-        String removeUserId = request.getUserIds().get(0);
+        String removeUserId = request.getUserIds().getFirst();
         checkMemberParam(removeUserId, request.getUserRoleId());
         //检查移除的是不是管理员
         if (StringUtils.equals(request.getUserRoleId(),InternalUserRole.PROJECT_ADMIN.getValue())) {

backend/services/project-management/src/test/java/io/metersphere/project/controller/CreateEnvironmentTests.java

@@ -55,7 +55,7 @@ public class CreateEnvironmentTests extends BaseTest {
         environmentExample.createCriteria().andProjectIdEqualTo(initProject.getId()).andNameEqualTo("Mock环境");
         List<Environment> environments = environmentMapper.selectByExample(environmentExample);
         assert environments.size() == 1;
-        EnvironmentBlob environmentBlob = environmentBlobMapper.selectByPrimaryKey(environments.get(0).getId());
+        EnvironmentBlob environmentBlob = environmentBlobMapper.selectByPrimaryKey(environments.getFirst().getId());
         assert environmentBlob != null;
     }
 

backend/services/project-management/src/test/java/io/metersphere/project/controller/EnvironmentControllerTests.java

@@ -1142,8 +1142,8 @@ public class EnvironmentControllerTests extends BaseTest {
         MvcResult mvcResult = requestGetWithOkAndReturn(SCRIPTS, DEFAULT_PROJECT_ID);
         List<EnvironmentPluginScriptDTO> envScripts = getResultDataArray(mvcResult, EnvironmentPluginScriptDTO.class);
         Assertions.assertEquals(envScripts.size(), 1);
-        Assertions.assertEquals(envScripts.get(0).getPluginId(), "tcp-sampler");
+        Assertions.assertEquals(envScripts.getFirst().getPluginId(), "tcp-sampler");
-        Assertions.assertEquals(((Map) envScripts.get(0).getScript()).get("id"), "environment");
+        Assertions.assertEquals(((Map) envScripts.getFirst().getScript()).get("id"), "environment");
 
         // 删除环境脚本，测试是否正常执行
         pluginScriptMapper.deleteByPrimaryKey(plugin.getId(), "environment");

backend/services/project-management/src/test/java/io/metersphere/project/controller/FakeErrorControllerTests.java

@@ -111,7 +111,7 @@ public class FakeErrorControllerTests extends BaseTest {
         List<FakeError> fakeErrors = fakeErrorMapper.selectByExample(new FakeErrorExample());
         List<FakeErrorDTO> dtoList = new ArrayList<>();
         FakeErrorDTO dto = new FakeErrorDTO();
-        dto.setId(fakeErrors.get(0).getId());
+        dto.setId(fakeErrors.getFirst().getId());
         dto.setName("测试新增误报规则更新");
         dto.setExpression("ok");
         dto.setProjectId(DEFAULT_PROJECT_ID);
@@ -125,7 +125,7 @@ public class FakeErrorControllerTests extends BaseTest {
         ResultHolder resultHolder = JSON.parseObject(returnData, ResultHolder.class);
         Assertions.assertNotNull(resultHolder);
         fakeErrors = fakeErrorMapper.selectByExample(new FakeErrorExample());
-        Assertions.assertTrue(fakeErrors.get(0).getEnable());
+        Assertions.assertTrue(fakeErrors.getFirst().getEnable());
 
         mvcResult = this.requestPostWithOkAndReturn(ADD, dtoList);
         returnData = mvcResult.getResponse().getContentAsString(StandardCharsets.UTF_8);
@@ -168,7 +168,7 @@ public class FakeErrorControllerTests extends BaseTest {
         Assertions.assertNotNull(resultHolder);
         //名字重复不更新
         fakeErrors = fakeErrorMapper.selectByExample(new FakeErrorExample());
-        Assertions.assertFalse(StringUtils.equalsIgnoreCase(fakeErrors.get(0).getName(),fakeErrors.get(1).getName()));
+        Assertions.assertFalse(StringUtils.equalsIgnoreCase(fakeErrors.getFirst().getName(),fakeErrors.get(1).getName()));
     }
 
     @Test
@@ -201,7 +201,7 @@ public class FakeErrorControllerTests extends BaseTest {
         fakeErrors = fakeErrorMapper.selectByExample(new FakeErrorExample());
         list = fakeErrors.stream().filter(FakeError::getEnable).toList();
         Assertions.assertEquals(0,list.size());
-        String oneId = ids.get(0);
+        String oneId = ids.getFirst();
         fakeErrorStatusRequest = new FakeErrorStatusRequest();
         fakeErrorStatusRequest.setProjectId(DEFAULT_PROJECT_ID);
         fakeErrorStatusRequest.setEnable(true);
@@ -237,7 +237,7 @@ public class FakeErrorControllerTests extends BaseTest {
         FakeErrorExample fakeErrorExample = new FakeErrorExample();
         fakeErrorExample.createCriteria().andNameLike("用来删除");
         List<FakeError> fakeErrors = fakeErrorMapper.selectByExample(fakeErrorExample);
-        String deleteId = fakeErrors.get(0).getId();
+        String deleteId = fakeErrors.getFirst().getId();
         Assertions.assertEquals(1,fakeErrors.size());
         FakeErrorDelRequest request = new FakeErrorDelRequest();
         request.setProjectId(DEFAULT_PROJECT_ID);

backend/services/project-management/src/test/java/io/metersphere/project/controller/NoticeMessageTaskControllerTests.java

@@ -141,8 +141,8 @@ public class NoticeMessageTaskControllerTests extends BaseTest {
         messageTaskExample.createCriteria()
                 .andProjectIdEqualTo("project-message-test").andProjectRobotIdEqualTo("test_message_robot2").andTaskTypeEqualTo(NoticeConstants.TaskType.API_DEFINITION_TASK).andEventEqualTo(NoticeConstants.Event.CREATE);
         List<MessageTask> messageTasks1 = messageTaskMapper.selectByExample(messageTaskExample);
-        Assertions.assertTrue(messageTasks1.get(0).getEnable());
+        Assertions.assertTrue(messageTasks1.getFirst().getEnable());
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(messageTasks1.get(0).getSubject(), "看看改不改"));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(messageTasks1.getFirst().getSubject(), "看看改不改"));
 
         messageTaskExample = new MessageTaskExample();
         messageTaskExample.createCriteria().andProjectIdEqualTo("project-message-test").andTaskTypeEqualTo(NoticeConstants.TaskType.API_DEFINITION_TASK).andEventEqualTo(NoticeConstants.Event.CREATE);
@@ -267,8 +267,8 @@ public class NoticeMessageTaskControllerTests extends BaseTest {
             }
         }
 
-        Assertions.assertEquals("test_message_robot2", messageTasks.get(0).getProjectRobotId());
+        Assertions.assertEquals("test_message_robot2", messageTasks.getFirst().getProjectRobotId());
-        Assertions.assertEquals(false, messageTasks.get(0).getEnable());
+        Assertions.assertEquals(false, messageTasks.getFirst().getEnable());
     }
 
     @Test
@@ -364,7 +364,7 @@ public class NoticeMessageTaskControllerTests extends BaseTest {
         String contentAsString = mvcResult.getResponse().getContentAsString(StandardCharsets.UTF_8);
         ResultHolder resultHolder = JSON.parseObject(contentAsString, ResultHolder.class);
         List<MessageTaskDTO> messageTaskDetailDTOList = JSON.parseArray(JSON.toJSONString(resultHolder.getData()), MessageTaskDTO.class);
-        MessageTaskDetailDTO messageTaskDetailDTO = messageTaskDetailDTOList.get(0).getMessageTaskTypeDTOList().get(0).getMessageTaskDetailDTOList().get(0);
+        MessageTaskDetailDTO messageTaskDetailDTO = messageTaskDetailDTOList.getFirst().getMessageTaskTypeDTOList().getFirst().getMessageTaskDetailDTOList().getFirst();
         Map<String, ProjectRobotConfigDTO> projectRobotConfigMap = messageTaskDetailDTO.getProjectRobotConfigMap();
         System.out.println(projectRobotConfigMap);
         // Assertions.assertTrue(StringUtils.isBlank(robotId));
@@ -498,11 +498,11 @@ public class NoticeMessageTaskControllerTests extends BaseTest {
         Assertions.assertTrue(CollectionUtils.isNotEmpty(messageTaskDetailDTOList));
         System.out.println(messageTaskDetailDTOList);
         List<MessageTaskDTO> collect = messageTaskDetailDTOList.stream().filter(t -> t.type.equals(NoticeConstants.Module.API_TEST_MANAGEMENT)).toList();
-        List<MessageTaskTypeDTO> messageTaskTypeDTOList = collect.get(0).getMessageTaskTypeDTOList();
+        List<MessageTaskTypeDTO> messageTaskTypeDTOList = collect.getFirst().getMessageTaskTypeDTOList();
         List<MessageTaskTypeDTO> collect1 = messageTaskTypeDTOList.stream().filter(t -> t.getTaskType().equals(NoticeConstants.TaskType.API_DEFINITION_TASK)).toList();
-        List<MessageTaskDetailDTO> messageTaskDetailDTOList1 = collect1.get(0).getMessageTaskDetailDTOList();
+        List<MessageTaskDetailDTO> messageTaskDetailDTOList1 = collect1.getFirst().getMessageTaskDetailDTOList();
         List<MessageTaskDetailDTO> collect2 = messageTaskDetailDTOList1.stream().filter(t -> t.event.equals(NoticeConstants.Event.CREATE)).toList();
-        Map<String, ProjectRobotConfigDTO> projectRobotConfigMap = collect2.get(0).getProjectRobotConfigMap();
+        Map<String, ProjectRobotConfigDTO> projectRobotConfigMap = collect2.getFirst().getProjectRobotConfigMap();
         ProjectRobotConfigDTO projectRobotConfigDTO = projectRobotConfigMap.get("test_message_robot2");
         Assertions.assertTrue(StringUtils.equals(projectRobotConfigDTO.getTemplate(),"发送消息测试"));
     }

backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectCustomFieldControllerTests.java

@@ -191,12 +191,12 @@ public class ProjectCustomFieldControllerTests extends BaseTest {
 
         CustomFieldExample example = new CustomFieldExample();
         example.createCriteria().andScopeIdEqualTo(DEFAULT_PROJECT_ID).andNameEqualTo("functional_priority");
-        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).get(0));
+        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).getFirst());
         internalRequest.setName("aaaa");
         this.requestPostWithOk(DEFAULT_UPDATE, internalRequest);
-        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getInternal(), true);
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).getFirst().getInternal(), true);
         // 内置字段名称不能修改
-        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getName(), "functional_priority");
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).getFirst().getName(), "functional_priority");
 
         // @校验是否开启项目模板
         changeOrgTemplateEnable(true);
@@ -246,8 +246,8 @@ public class ProjectCustomFieldControllerTests extends BaseTest {
             if (StringUtils.equalsAny(resultItem.getType(), CustomFieldType.MEMBER.name(), CustomFieldType.MULTIPLE_MEMBER.name())) {
                 List<CustomFieldOption> options = resultList.get(i).getOptions();
                 Assertions.assertEquals(options.size(), 1);
-                Assertions.assertEquals(options.get(0).getValue(), "CREATE_USER");
+                Assertions.assertEquals(options.getFirst().getValue(), "CREATE_USER");
-                Assertions.assertEquals(options.get(0).getText(), "创建人");
+                Assertions.assertEquals(options.getFirst().getText(), "创建人");
             } else if (CustomFieldType.getHasOptionValueSet().contains(resultItem.getType())) {
                 // 有下拉框选项的校验选项
                 Assertions.assertEquals(resultList.get(i).getOptions().stream().sorted(Comparator.comparing(CustomFieldOption::getValue)).toList(),
@@ -300,7 +300,7 @@ public class ProjectCustomFieldControllerTests extends BaseTest {
         CustomFieldExample example = new CustomFieldExample();
         example.createCriteria()
                 .andInternalEqualTo(true);
-        CustomField internalCustomField = customFieldMapper.selectByExample(example).get(0);
+        CustomField internalCustomField = customFieldMapper.selectByExample(example).getFirst();
         assertErrorCode(this.requestGet(DEFAULT_DELETE, internalCustomField.getId()), INTERNAL_CUSTOM_FIELD_PERMISSION);
 
         // @@校验 NOT_FOUND 异常

backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectMemberControllerTests.java

@@ -63,7 +63,7 @@ public class ProjectMemberControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= request.getPageSize());
         // 返回值中取出第一条数据, 并判断name, email, phone是否包含关键字default
-        ProjectUserDTO projectUserDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserDTO.class).get(0);
+        ProjectUserDTO projectUserDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(projectUserDTO.getName(), request.getKeyword())
                 || StringUtils.contains(projectUserDTO.getEmail(), request.getKeyword())
                 || StringUtils.contains(projectUserDTO.getPhone(), request.getKeyword()));

backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectRobotControllerTests.java

@@ -394,7 +394,7 @@ public class ProjectRobotControllerTests extends BaseTest {
         for (MessageTaskDTO messageTaskDTO : messageTaskDetailDTOList) {
             for (MessageTaskTypeDTO messageTaskTypeDTO : messageTaskDTO.getMessageTaskTypeDTOList()) {
                 if (StringUtils.equalsIgnoreCase(messageTaskTypeDTO.getTaskType(),NoticeConstants.TaskType.API_DEFINITION_TASK)) {
-                    Boolean testRobotMessageRobot1 = messageTaskTypeDTO.getMessageTaskDetailDTOList().get(0).getProjectRobotConfigMap().get(projectRobotId).getEnable();
+                    Boolean testRobotMessageRobot1 = messageTaskTypeDTO.getMessageTaskDetailDTOList().getFirst().getProjectRobotConfigMap().get(projectRobotId).getEnable();
                     Assertions.assertTrue(testRobotMessageRobot1);
                 }
             }
@@ -513,7 +513,7 @@ public class ProjectRobotControllerTests extends BaseTest {
         ProjectRobotExample projectRobotExample = new ProjectRobotExample();
         projectRobotExample.createCriteria().andProjectIdEqualTo(projectId).andNameEqualTo(keyWord);
         List<ProjectRobot> projectRobots = projectRobotMapper.selectByExample(projectRobotExample);
-        return projectRobots.get(0);
+        return projectRobots.getFirst();
     }
 
     public void setMessageTask(String projectId, String defaultRobotId) throws Exception {

backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectTemplateControllerTests.java

@@ -99,7 +99,7 @@ public class ProjectTemplateControllerTests extends BaseTest {
         // @@校验没有数据的情况
         MvcResult mvcResult = this.requestGetWithOkAndReturn(LIST, DEFAULT_PROJECT_ID, TemplateScene.FUNCTIONAL.name());
         List<Template> templates = getResultDataArray(mvcResult, Template.class);
-        this.defaultTemplate = templates.get(0);
+        this.defaultTemplate = templates.getFirst();
         this.requestGetWithOkAndReturn(LIST, DEFAULT_PROJECT_ID, TemplateScene.BUG.name());
     }
 
@@ -194,7 +194,7 @@ public class ProjectTemplateControllerTests extends BaseTest {
         request.setEnableThirdPart(true);
         request.setCustomFields(new ArrayList<>(0));
         request.setSystemFields(OrganizationTemplateControllerTests.getTemplateSystemCustomFieldRequests());
-        request.getSystemFields().get(0).setDefaultValue("update");
+        request.getSystemFields().getFirst().setDefaultValue("update");
         this.requestPostWithOk(DEFAULT_UPDATE, request);
         Template template = templateMapper.selectByPrimaryKey(request.getId());
         // 校验请求成功数据
@@ -216,12 +216,12 @@ public class ProjectTemplateControllerTests extends BaseTest {
 
         TemplateExample example = new TemplateExample();
         example.createCriteria().andScopeIdEqualTo(DEFAULT_PROJECT_ID).andNameEqualTo("functional_default");
-        TemplateUpdateRequest internalRequest = BeanUtils.copyBean(new TemplateUpdateRequest(), templateMapper.selectByExample(example).get(0));
+        TemplateUpdateRequest internalRequest = BeanUtils.copyBean(new TemplateUpdateRequest(), templateMapper.selectByExample(example).getFirst());
         internalRequest.setName("aaaa");
         this.requestPostWithOk(DEFAULT_UPDATE, internalRequest);
-        Assertions.assertEquals(templateMapper.selectByExample(example).get(0).getInternal(), true);
+        Assertions.assertEquals(templateMapper.selectByExample(example).getFirst().getInternal(), true);
         // 内置字段名称不能修改
-        Assertions.assertEquals(templateMapper.selectByExample(example).get(0).getName(), "functional_default");
+        Assertions.assertEquals(templateMapper.selectByExample(example).getFirst().getName(), "functional_default");
 
         // 不更新字段
         request.setCustomFields(null);
@@ -355,7 +355,7 @@ public class ProjectTemplateControllerTests extends BaseTest {
 
         TemplateExample example = new TemplateExample();
         example.createCriteria().andScopeIdEqualTo(DEFAULT_PROJECT_ID).andNameEqualTo("functional_default");
-        mvcResult = this.requestGetWithOkAndReturn(DEFAULT_GET, templateMapper.selectByExample(example).get(0).getId());
+        mvcResult = this.requestGetWithOkAndReturn(DEFAULT_GET, templateMapper.selectByExample(example).getFirst().getId());
         templateDTO = getResultData(mvcResult, TemplateDTO.class);
         Assertions.assertEquals(templateDTO.getName(), Translator.get("template.default"));
 

backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectUserRoleControllerTests.java

@@ -89,7 +89,7 @@ public class ProjectUserRoleControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= request.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字default
-        ProjectUserRoleDTO projectUserRoleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).get(0);
+        ProjectUserRoleDTO projectUserRoleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(projectUserRoleDTO.getName(), request.getKeyword())
                 || StringUtils.contains(projectUserRoleDTO.getId(), request.getKeyword()));
         // 权限校验
@@ -130,7 +130,7 @@ public class ProjectUserRoleControllerTests extends BaseTest {
         Pager<?> pageData = JSON.parseObject(JSON.toJSONString(resultHolder.getData()), Pager.class);
         // 返回值不为空, 取第一条是否包含关键字
         Assertions.assertNotNull(pageData);
-        ProjectUserRoleDTO roleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).get(0);
+        ProjectUserRoleDTO roleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(roleDTO.getName(), roleRequest.getKeyword())
                 || StringUtils.contains(roleDTO.getId(), roleRequest.getKeyword()));
         // 权限校验
@@ -199,7 +199,7 @@ public class ProjectUserRoleControllerTests extends BaseTest {
         Pager<?> pageData = JSON.parseObject(JSON.toJSONString(resultHolder.getData()), Pager.class);
         // 返回值不为空
         Assertions.assertNotNull(pageData);
-        ProjectUserRoleDTO roleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).get(0);
+        ProjectUserRoleDTO roleDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), ProjectUserRoleDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(roleDTO.getName(), roleRequest.getKeyword())
                 || StringUtils.contains(roleDTO.getId(), roleRequest.getKeyword()));
         // 权限校验
@@ -310,7 +310,7 @@ public class ProjectUserRoleControllerTests extends BaseTest {
         // 返回值中取出第一条数据, 并判断是否包含关键字
         List<User> userList = JSON.parseArray(JSON.toJSONString(pageData.getList()), User.class);
         if (CollectionUtils.isNotEmpty(userList)) {
-            User user = userList.get(0);
+            User user = userList.getFirst();
             Assertions.assertTrue(StringUtils.contains(user.getName(), request.getKeyword())
                     || StringUtils.contains(user.getId(), request.getKeyword()));
         }

backend/services/project-management/src/test/java/io/metersphere/project/controller/filemanagement/FileManagementControllerTests.java

@@ -1599,7 +1599,7 @@ public class FileManagementControllerTests extends BaseTest {
     }
 
     private void fileAssociationControllerUpgrade() throws Exception {
-        String associationId = sourceAssociationFileMap.get("sty-file-association-bug-id-2").get(0);
+        String associationId = sourceAssociationFileMap.get("sty-file-association-bug-id-2").getFirst();
         MvcResult mvcResult = this.requestGetWithOkAndReturn(String.format(FileManagementRequestUtils.URL_FILE_ASSOCIATION_UPGRADE, project.getId(), associationId));
         String fileId = JSON.parseObject(mvcResult.getResponse().getContentAsString(StandardCharsets.UTF_8), ResultHolder.class).getData().toString();
         FileMetadataExample example = new FileMetadataExample();
@@ -1703,7 +1703,7 @@ public class FileManagementControllerTests extends BaseTest {
 
         FileAssociationExample example = new FileAssociationExample();
         example.createCriteria().andFileIdEqualTo(fileAssociationOldFileId).andSourceIdEqualTo("sty-file-association-bug-id-4");
-        FileAssociation upgradeFileAssociation = fileAssociationMapper.selectByExample(example).get(0);
+        FileAssociation upgradeFileAssociation = fileAssociationMapper.selectByExample(example).getFirst();
         Assertions.assertTrue(sourceAssociationFileMap.get("sty-file-association-bug-id-4").contains(upgradeFileAssociation.getId()));
         //当前文件不是最新的
         fileAssociationService.upgrade(upgradeFileAssociation.getId(), fileLogRecord);
@@ -1728,7 +1728,7 @@ public class FileManagementControllerTests extends BaseTest {
         //使用bug-id-2测试： 1.关联表中的文件ID不存在
         example.clear();
         example.createCriteria().andFileIdEqualTo(fileAssociationOldFileId).andSourceIdEqualTo("sty-file-association-bug-id-2");
-        FileAssociation upgrade2 = fileAssociationMapper.selectByExample(example).get(0);
+        FileAssociation upgrade2 = fileAssociationMapper.selectByExample(example).getFirst();
         //先把文件id改成别的，测试完成改回来
         String originalFileId = upgrade2.getFileId();
         String originalRefId = upgrade2.getFileRefId();
@@ -1851,7 +1851,7 @@ public class FileManagementControllerTests extends BaseTest {
         //3.里面包含一条已经文件已经删除了的ID 资源为bug-2
         example.clear();
         example.createCriteria().andSourceIdEqualTo("sty-file-association-bug-id-2").andFileIdEqualTo(fileAssociationNewFilesThree);
-        FileAssociation association = fileAssociationMapper.selectByExample(example).get(0);
+        FileAssociation association = fileAssociationMapper.selectByExample(example).getFirst();
         //先把文件id改成别的，测试完成改回来
         association.setFileId(IDGenerator.nextStr());
         association.setFileRefId(association.getFileId());

backend/services/system-setting/src/main/java/io/metersphere/system/job/CleanUpReportJob.java

@@ -57,7 +57,7 @@ public class CleanUpReportJob {
                 List<ProjectApplication> testPlan = projectApplicationMapper.selectByExample(applicationExample);
                 Map<String, String> map = new HashMap<>();
                 if (CollectionUtils.isNotEmpty(testPlan)) {
-                    map.put(ProjectApplicationType.TEST_PLAN.TEST_PLAN_CLEAN_REPORT.name(), testPlan.get(0).getTypeValue());
+                    map.put(ProjectApplicationType.TEST_PLAN.TEST_PLAN_CLEAN_REPORT.name(), testPlan.getFirst().getTypeValue());
                 } else {
                     map.put(ProjectApplicationType.TEST_PLAN.TEST_PLAN_CLEAN_REPORT.name(), "3M");
                 }
@@ -67,7 +67,7 @@ public class CleanUpReportJob {
                 applicationExample.createCriteria().andProjectIdEqualTo(project.getId()).andTypeEqualTo(ProjectApplicationType.API.API_CLEAN_REPORT.name());
                 List<ProjectApplication> api = projectApplicationMapper.selectByExample(applicationExample);
                 if (CollectionUtils.isNotEmpty(api)) {
-                    map.put(ProjectApplicationType.API.API_CLEAN_REPORT.name(), api.get(0).getTypeValue());
+                    map.put(ProjectApplicationType.API.API_CLEAN_REPORT.name(), api.getFirst().getTypeValue());
                 } else {
                     map.put(ProjectApplicationType.API.API_CLEAN_REPORT.name(), "3M");
                 }

backend/services/system-setting/src/main/java/io/metersphere/system/log/aspect/OperationLogAspect.java

@@ -183,7 +183,7 @@ public class OperationLogAspect {
                 mergeLists(beforeValues.get(), (List<LogDTO>) obj);
             } else if (obj instanceof LogDTO log) {
                 if (CollectionUtils.isNotEmpty(beforeValues.get())) {
-                    beforeValues.get().get(0).setModifiedValue(log.getOriginalValue());
+                    beforeValues.get().getFirst().setModifiedValue(log.getOriginalValue());
                 } else {
                     beforeValues.set(new ArrayList<>() {{
                         this.add(log);
@@ -231,7 +231,7 @@ public class OperationLogAspect {
 
         // 单条存储
         if (logDTOList.size() == 1) {
-            operationLogService.add(logDTOList.get(0));
+            operationLogService.add(logDTOList.getFirst());
         } else {
             operationLogService.batchAdd(logDTOList);
         }

backend/services/system-setting/src/main/java/io/metersphere/system/service/ApiPluginService.java

@@ -52,7 +52,7 @@ public class ApiPluginService {
                 protocolDTO.setProtocol(protocolPlugin.getProtocol());
                 protocolDTO.setPluginId(pluginWrapper.getPluginId());
                 if (CollectionUtils.isNotEmpty(extensionClasses)) {
-                    protocolDTO.setPolymorphicName(extensionClasses.get(0).getSimpleName());
+                    protocolDTO.setPolymorphicName(extensionClasses.getFirst().getSimpleName());
                 }
                 if (StringUtils.isNoneBlank(protocolDTO.getProtocol(), protocolDTO.getPolymorphicName())) {
                     protocols.add(protocolDTO);

backend/services/system-setting/src/main/java/io/metersphere/system/service/BaseStatusItemService.java

@@ -96,7 +96,7 @@ public class BaseStatusItemService {
         if (CollectionUtils.isEmpty(statusItems)) {
             return List.of();
         }
-        int pos = getByScopeIdAndScene(statusItems.get(0).getScopeId(), statusItems.get(0).getScene()).size();
+        int pos = getByScopeIdAndScene(statusItems.getFirst().getScopeId(), statusItems.getFirst().getScene()).size();
         for (StatusItem statusItem : statusItems) {
             statusItem.setId(IDGenerator.nextStr());
             // 设置排序

backend/services/system-setting/src/main/java/io/metersphere/system/service/BaseUserRoleService.java

@@ -252,11 +252,11 @@ public class BaseUserRoleService {
         List<UserRoleRelation> addRelations = new ArrayList<>();
         userRoleRelationMap.forEach((groupId, relations) -> {
             // 如果当前用户组只有一个用户，并且就是要删除的用户组，则添加组织成员等默认用户组
-            if (relations.size() == 1 && StringUtils.equals(relations.get(0).getRoleId(), roleId)) {
+            if (relations.size() == 1 && StringUtils.equals(relations.getFirst().getRoleId(), roleId)) {
                 UserRoleRelation relation = new UserRoleRelation();
                 relation.setId(IDGenerator.nextStr());
-                relation.setUserId(relations.get(0).getUserId());
+                relation.setUserId(relations.getFirst().getUserId());
-                relation.setSourceId(relations.get(0).getSourceId());
+                relation.setSourceId(relations.getFirst().getSourceId());
                 relation.setRoleId(defaultRoleId);
                 relation.setCreateTime(System.currentTimeMillis());
                 relation.setCreateUser(currentUserId);

backend/services/system-setting/src/main/java/io/metersphere/system/service/CommonProjectService.java

@@ -88,10 +88,10 @@ public class CommonProjectService {
         List<Project> project = projectMapper.selectByExample(example);
         ProjectDTO projectDTO = new ProjectDTO();
         if (CollectionUtils.isNotEmpty(project)) {
-            BeanUtils.copyBean(projectDTO, project.get(0));
+            BeanUtils.copyBean(projectDTO, project.getFirst());
             projectDTO.setOrganizationName(organizationMapper.selectByPrimaryKey(projectDTO.getOrganizationId()).getName());
             List<ProjectDTO> projectDTOS = buildUserInfo(List.of(projectDTO));
-            projectDTO = projectDTOS.get(0);
+            projectDTO = projectDTOS.getFirst();
         } else {
             return null;
         }

backend/services/system-setting/src/main/java/io/metersphere/system/service/MessageDetailService.java

@@ -87,7 +87,7 @@ public class MessageDetailService {
         messageTaskGroup.forEach((messageTaskId, messageTaskList) -> {
             //获取同一任务所有的接收人
             MessageDetail messageDetail = new MessageDetail();
-            MessageTask messageTask = messageTaskList.get(0);
+            MessageTask messageTask = messageTaskList.getFirst();
             messageDetail.setReceiverIds(messageTask.getReceivers());
             messageDetail.setTaskType(messageTask.getTaskType());
             messageDetail.setEvent(messageTask.getEvent());

backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationService.java

@@ -352,7 +352,7 @@ public class OrganizationService {
         OrganizationExample example = new OrganizationExample();
         example.createCriteria().andNumEqualTo(100001L);
         List<Organization> organizations = organizationMapper.selectByExample(example);
-        Organization organization = organizations.get(0);
+        Organization organization = organizations.getFirst();
         BeanUtils.copyBean(organizationDTO, organization);
         return organizationDTO;
     }

backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationUserRoleLogService.java

@@ -62,7 +62,7 @@ public class OrganizationUserRoleLogService {
 
         UserRoleExample example = new UserRoleExample();
         example.createCriteria().andIdEqualTo(request.getId());
-        UserRole userRole = userRoleMapper.selectByExample(example).get(0);
+        UserRole userRole = userRoleMapper.selectByExample(example).getFirst();
         dto.setOriginalValue(JSON.toJSONBytes(userRole.getName()));
         dto.setModifiedValue(JSON.toJSONBytes(request.getName()));
         return dto;

backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationUserRoleService.java

@@ -99,7 +99,7 @@ public class OrganizationUserRoleService extends BaseUserRoleService {
     }
 
     public void removeMember(OrganizationUserRoleMemberEditRequest request) {
-        String removeUserId = request.getUserIds().get(0);
+        String removeUserId = request.getUserIds().getFirst();
         checkMemberParam(removeUserId, request.getUserRoleId());
         //检查移除的是不是管理员
         if (StringUtils.equals(request.getUserRoleId(),InternalUserRole.ORG_ADMIN.getValue())) {

backend/services/system-setting/src/main/java/io/metersphere/system/service/PlatformPluginService.java

@@ -54,7 +54,7 @@ public class PlatformPluginService {
         ServiceIntegrationExample example = new ServiceIntegrationExample();
         example.createCriteria().andPluginIdEqualTo(pluginId).andOrganizationIdEqualTo(orgId);
         List<ServiceIntegration> serviceIntegrations = serviceIntegrationMapper.selectByExampleWithBLOBs(example);
-        return CollectionUtils.isEmpty(serviceIntegrations) ? null :  serviceIntegrations.get(0);
+        return CollectionUtils.isEmpty(serviceIntegrations) ? null :  serviceIntegrations.getFirst();
     }
 
     public List<Plugin> getOrgEnabledPlatformPlugins(String orgId) {

backend/services/system-setting/src/main/java/io/metersphere/system/service/PluginLoadService.java

@@ -288,7 +288,7 @@ public class PluginLoadService {
      */
     public <T> Class<? extends T> getExtensionsClass(Class<T> clazz, String pluginId) {
         List<Class<? extends T>> classes = msPluginManager.getExtensionClasses(clazz, pluginId);
-        return CollectionUtils.isEmpty(classes) ? null : classes.get(0);
+        return CollectionUtils.isEmpty(classes) ? null : classes.getFirst();
     }
 
     public MsPluginManager getMsPluginManager() {

backend/services/system-setting/src/main/java/io/metersphere/system/service/SystemParameterService.java

@@ -59,7 +59,7 @@ public class SystemParameterService {
                 List<SystemParameter> baseUrlParameterList = systemParameterMapper.selectByExample(example);
                 String oldBaseUrl = null;
                 if (CollectionUtils.isNotEmpty(baseUrlParameterList)) {
-                    SystemParameter parameter = baseUrlParameterList.get(0);
+                    SystemParameter parameter = baseUrlParameterList.getFirst();
                     if (!StringUtils.equals(parameter.getParamValue(), param.getParamValue())) {
                         oldBaseUrl = parameter.getParamValue();
                         systemParameterMapper.updateByPrimaryKey(param);
@@ -329,7 +329,7 @@ public class SystemParameterService {
     public String getApiConcurrentConfig() {
         List<SystemParameter> paramList = this.getParamList(ParamConstants.ApiConcurrentConfig.API_CONCURRENT_CONFIG.getValue());
         if (CollectionUtils.isNotEmpty(paramList)) {
-            return paramList.get(0).getParamValue();
+            return paramList.getFirst().getParamValue();
         }
         return DEFAULT_API_CONCURRENT_CONFIG;
     }

backend/services/system-setting/src/main/java/io/metersphere/system/service/UserInviteService.java

@@ -50,7 +50,7 @@ public class UserInviteService {
         example.createCriteria().andIdEqualTo(id).andInviteTimeGreaterThanOrEqualTo(time);
         List<UserInvite> userInvites = userInviteMapper.selectByExampleWithBLOBs(example);
         if (CollectionUtils.isNotEmpty(userInvites)) {
-            return userInvites.get(0);
+            return userInvites.getFirst();
         } else {
             return null;
         }

backend/services/system-setting/src/main/java/io/metersphere/system/service/UserKeyService.java

@@ -107,7 +107,7 @@ public class UserKeyService {
         userKeyExample.createCriteria().andAccessKeyEqualTo(accessKey).andEnableEqualTo(true);
         List<UserKey> userKeysList = userKeyMapper.selectByExample(userKeyExample);
         if (!CollectionUtils.isEmpty(userKeysList)) {
-            return userKeysList.get(0);
+            return userKeysList.getFirst();
         }
         return null;
     }

backend/services/system-setting/src/main/java/io/metersphere/system/service/UserLoginService.java

@@ -167,7 +167,7 @@ public class UserLoginService {
                 organizationExample.createCriteria().andIdIn(orgIds).andEnableEqualTo(true);
                 List<Organization> organizationsList = organizationMapper.selectByExample(organizationExample);
                 if (CollectionUtils.isNotEmpty(organizationsList)) {
-                    String wsId = organizationsList.get(0).getId();
+                    String wsId = organizationsList.getFirst().getId();
                     switchUserResource(wsId, user);
                 }
             } else {
@@ -178,7 +178,7 @@ public class UserLoginService {
             }
         } else {
             UserRoleRelation userRoleRelation = project.stream().filter(p -> StringUtils.isNotBlank(p.getSourceId()))
-                    .toList().get(0);
+                    .toList().getFirst();
             String projectId = userRoleRelation.getSourceId();
             Project p = projectMapper.selectByPrimaryKey(projectId);
             String wsId = p.getOrganizationId();
@@ -199,7 +199,7 @@ public class UserLoginService {
                 example.createCriteria().andIdEqualTo(user.getLastProjectId()).andEnableEqualTo(true);
                 List<Project> projects = projectMapper.selectByExample(example);
                 if (CollectionUtils.isNotEmpty(projects)) {
-                    Project project = projects.get(0);
+                    Project project = projects.getFirst();
                     if (StringUtils.equals(project.getOrganizationId(), user.getLastOrganizationId())) {
                         return true;
                     }
@@ -221,7 +221,7 @@ public class UserLoginService {
                 example.createCriteria().andIdEqualTo(user.getLastProjectId()).andEnableEqualTo(true);
                 List<Project> projects = projectMapper.selectByExample(example);
                 if (CollectionUtils.isNotEmpty(projects)) {
-                    Project project = projects.get(0);
+                    Project project = projects.getFirst();
                     if (StringUtils.equals(project.getOrganizationId(), user.getLastOrganizationId())) {
                         return true;
                     }
@@ -307,7 +307,7 @@ public class UserLoginService {
                     updateUser(user);
                     return true;
                 }
-                Optional<Project> first = projects.stream().filter(p -> StringUtils.equals(intersection.get(0), p.getId())).findFirst();
+                Optional<Project> first = projects.stream().filter(p -> StringUtils.equals(intersection.getFirst(), p.getId())).findFirst();
                 if (first.isPresent()) {
                     Project project = first.get();
                     String wsId = project.getOrganizationId();
@@ -332,7 +332,7 @@ public class UserLoginService {
         user.setLastProjectId(StringUtils.EMPTY);
         List<Project> projects = getProjectListByWsAndUserId(sessionUser.getId(), sourceId);
         if (CollectionUtils.isNotEmpty(projects)) {
-            user.setLastProjectId(projects.get(0).getId());
+            user.setLastProjectId(projects.getFirst().getId());
         }
         BeanUtils.copyProperties(user, newUser);
         // 切换组织或组织之后更新 session 里的 user
@@ -363,7 +363,7 @@ public class UserLoginService {
                 // 如果传入的 last_project_id 是 last_organization_id 下面的
                 boolean present = projects.stream().anyMatch(p -> StringUtils.equals(p.getId(), user.getLastProjectId()));
                 if (!present) {
-                    user.setLastProjectId(projects.get(0).getId());
+                    user.setLastProjectId(projects.getFirst().getId());
                 }
             } else {
                 user.setLastProjectId(StringUtils.EMPTY);
@@ -411,7 +411,7 @@ public class UserLoginService {
             return null;
         }
 
-        return getUserDTO(users.get(0).getId());
+        return getUserDTO(users.getFirst().getId());
     }
 
     public boolean checkUserPassword(String userId, String password) {

backend/services/system-setting/src/test/java/io/metersphere/system/base/BaseTest.java

@@ -348,7 +348,7 @@ public abstract class BaseTest {
                         if (CollectionUtils.isEmpty(listObject)) {
                             continue;
                         }
-                        if (listObject.get(0) instanceof File || listObject.get(0) instanceof MockMultipartFile) {
+                        if (listObject.getFirst() instanceof File || listObject.getFirst() instanceof MockMultipartFile) {
                             // 参数是多个文件时,设置多个文件
                             for (Object subObject : ((List) o)) {
                                 multipartFile = getMockMultipartFile(key, subObject);
@@ -594,7 +594,7 @@ public abstract class BaseTest {
      */
     private void requestPermissionsTest(List<String> permissionIds, String url, Supplier<MockHttpServletRequestBuilder> requestBuilderGetFunc) throws Exception {
         // 相同的用户组
-        String roleId = permissionIds.get(0).split("_")[0];
+        String roleId = permissionIds.getFirst().split("_")[0];
         for (String permissionId : permissionIds) {
             // 多个权限插入同一个用户组
             initUserRolePermission(roleId, permissionId);
@@ -669,15 +669,15 @@ public abstract class BaseTest {
     }
 
     protected void requestPostPermissionsTest(List<String> permissionIds, String url, Object param, Object... uriVariables) throws Exception {
-        requestPermissionsTest(permissionIds, url, () -> getPermissionPostRequestBuilder(permissionIds.get(0).split("_")[0], url, param, uriVariables));
+        requestPermissionsTest(permissionIds, url, () -> getPermissionPostRequestBuilder(permissionIds.getFirst().split("_")[0], url, param, uriVariables));
     }
 
     protected void requestGetPermissionsTest(List<String> permissionIds, String url, Object... uriVariables) throws Exception {
-        requestPermissionsTest(permissionIds, url, () -> getPermissionRequestBuilder(permissionIds.get(0).split("_")[0], url, uriVariables));
+        requestPermissionsTest(permissionIds, url, () -> getPermissionRequestBuilder(permissionIds.getFirst().split("_")[0], url, uriVariables));
     }
 
     protected void requestMultipartPermissionsTest(List<String> permissionIds, String url, MultiValueMap<String, Object> paramMap, Object... uriVariables) throws Exception {
-        requestPermissionsTest(permissionIds, url, () -> getPermissionMultipartRequestBuilder(permissionIds.get(0).split("_")[0], url, paramMap, uriVariables));
+        requestPermissionsTest(permissionIds, url, () -> getPermissionMultipartRequestBuilder(permissionIds.getFirst().split("_")[0], url, paramMap, uriVariables));
     }
 
     protected ResultActions requestGetWithNoAdmin(String url, String userRoleType, Object... uriVariables) throws Exception {

backend/services/system-setting/src/test/java/io/metersphere/system/controller/CommonNoticeSendServiceTests.java

@@ -78,13 +78,13 @@ public class CommonNoticeSendServiceTests extends BaseTest {
         FunctionalCaseCustomFieldExample functionalCaseCustomFieldExample = new FunctionalCaseCustomFieldExample();
         functionalCaseCustomFieldExample.createCriteria().andCaseIdEqualTo("aspect_gyq_one");
         List<FunctionalCaseCustomField> functionalCaseCustomFields = functionalCaseCustomFieldMapper.selectByExample(functionalCaseCustomFieldExample);
-        String fieldId = functionalCaseCustomFields.get(0).getFieldId();
+        String fieldId = functionalCaseCustomFields.getFirst().getFieldId();
         CustomField customFields = customFieldMapper.selectByPrimaryKey(fieldId);
 
         List<OptionDTO>optionDTOList = new ArrayList<>();
         OptionDTO optionDTO = new OptionDTO();
         optionDTO.setId(customFields.getName());
-        optionDTO.setName(functionalCaseCustomFields.get(0).getValue());
+        optionDTO.setName(functionalCaseCustomFields.getFirst().getValue());
         optionDTOList.add(optionDTO);
         FunctionalCaseDTO functionalCaseDTO = new FunctionalCaseDTO();
         BeanUtils.copyBean(functionalCaseDTO,functionalCase);

backend/services/system-setting/src/test/java/io/metersphere/system/controller/GlobalUserRoleControllerTests.java

@@ -320,7 +320,7 @@ class GlobalUserRoleControllerTests extends BaseTest {
         example.createCriteria().andUserIdEqualTo(userRoleRelation.getUserId());
         List<UserRoleRelation> userRoleRelations = userRoleRelationMapper.selectByExample(example);
         Assertions.assertTrue(userRoleRelations.size() == 1);
-        Assertions.assertTrue(StringUtils.equalsIgnoreCase(userRoleRelations.get(0).getRoleId(), MEMBER.getValue()));
+        Assertions.assertTrue(StringUtils.equalsIgnoreCase(userRoleRelations.getFirst().getRoleId(), MEMBER.getValue()));
         clearOneLimitTest(userRoleRelation.getUserId());
 
         // 删除没有关联用户的用户组

backend/services/system-setting/src/test/java/io/metersphere/system/controller/GlobalUserRoleRelationControllerTests.java

@@ -121,7 +121,7 @@ class GlobalUserRoleRelationControllerTests extends BaseTest {
         this.requestPostWithOk(DEFAULT_ADD, request);
         List<UserRoleRelation> userRoleRelations = getUserRoleRelationByRoleIdAndUserId(request.getRoleId(), ADMIN.getValue());
         Assertions.assertTrue(CollectionUtils.isNotEmpty(userRoleRelations));
-        addUserRoleRelation = userRoleRelations.get(0);
+        addUserRoleRelation = userRoleRelations.getFirst();
         Assertions.assertEquals(addUserRoleRelation.getOrganizationId(), UserRoleScope.SYSTEM);
 
         // @@校验日志
@@ -218,7 +218,7 @@ class GlobalUserRoleRelationControllerTests extends BaseTest {
 
         // @@删除admin系统管理员用户组异常
         List<UserRoleRelation> userRoleRelations = getUserRoleRelationByRoleIdAndUserId(ADMIN.getValue(), ADMIN.getValue());
-        assertErrorCode(this.requestGet(DEFAULT_DELETE, userRoleRelations.get(0).getId()),
+        assertErrorCode(this.requestGet(DEFAULT_DELETE, userRoleRelations.getFirst().getId()),
                 USER_ROLE_RELATION_REMOVE_ADMIN_USER_PERMISSION);
 
         // @@校验 NOT_FOUND 异常

backend/services/system-setting/src/test/java/io/metersphere/system/controller/NotificationControllerTests.java

@@ -91,7 +91,7 @@ public class NotificationControllerTests extends BaseTest {
         NotificationExample notificationExample = new NotificationExample();
         notificationExample.createCriteria().andStatusEqualTo(NotificationConstants.Status.UNREAD.name());
         List<Notification> notifications = notificationMapper.selectByExample(notificationExample);
-        this.requestGetWithOkAndReturn(NOTIFICATION_READ + notifications.get(0).getId());
+        this.requestGetWithOkAndReturn(NOTIFICATION_READ + notifications.getFirst().getId());
         notificationExample = new NotificationExample();
         notificationExample.createCriteria().andStatusEqualTo(NotificationConstants.Status.READ.name());
         List<Notification> readNotifications = notificationMapper.selectByExample(notificationExample);

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationControllerTests.java

@@ -500,7 +500,7 @@ public class OrganizationControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= organizationRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字admin
-        OrgUserExtend orgUserExtend = JSON.parseArray(JSON.toJSONString(pageData.getList()), OrgUserExtend.class).get(0);
+        OrgUserExtend orgUserExtend = JSON.parseArray(JSON.toJSONString(pageData.getList()), OrgUserExtend.class).getFirst();
         if (StringUtils.isNotBlank(keyWord)) {
             Assertions.assertTrue(StringUtils.contains(orgUserExtend.getName(), organizationRequest.getKeyword())
                     || StringUtils.contains(orgUserExtend.getEmail(), organizationRequest.getKeyword())

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationCustomFieldControllerTests.java

@@ -199,12 +199,12 @@ public class OrganizationCustomFieldControllerTests extends BaseTest {
 
         CustomFieldExample example = new CustomFieldExample();
         example.createCriteria().andScopeIdEqualTo(DEFAULT_ORGANIZATION_ID).andNameEqualTo("functional_priority");
-        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).get(0));
+        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).getFirst());
         internalRequest.setName("aaaa");
         this.requestPostWithOk(DEFAULT_UPDATE, internalRequest);
-        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getInternal(), true);
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).getFirst().getInternal(), true);
         // 内置字段名称不能修改
-        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getName(), "functional_priority");
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).getFirst().getName(), "functional_priority");
 
         // @校验是否开启组织模板
         changeOrgTemplateEnable(false);
@@ -261,8 +261,8 @@ public class OrganizationCustomFieldControllerTests extends BaseTest {
             if (StringUtils.equalsAny(resultItem.getType(), CustomFieldType.MEMBER.name(), CustomFieldType.MULTIPLE_MEMBER.name())) {
                 List<CustomFieldOption> options = customFieldDTO.getOptions();
                 Assertions.assertEquals(options.size(), 1);
-                Assertions.assertEquals(options.get(0).getValue(), "CREATE_USER");
+                Assertions.assertEquals(options.getFirst().getValue(), "CREATE_USER");
-                Assertions.assertEquals(options.get(0).getText(), "创建人");
+                Assertions.assertEquals(options.getFirst().getText(), "创建人");
             } else if (CustomFieldType.getHasOptionValueSet().contains(resultItem.getType())) {
                 // 有下拉框选项的校验选项
                 Assertions.assertEquals(resultList.get(i).getOptions().stream().sorted(Comparator.comparing(CustomFieldOption::getValue)).toList(),
@@ -321,7 +321,7 @@ public class OrganizationCustomFieldControllerTests extends BaseTest {
         CustomFieldExample example = new CustomFieldExample();
         example.createCriteria()
                 .andInternalEqualTo(true);
-        CustomField internalCustomField = customFieldMapper.selectByExample(example).get(0);
+        CustomField internalCustomField = customFieldMapper.selectByExample(example).getFirst();
         assertErrorCode(this.requestGet(DEFAULT_DELETE, internalCustomField.getId()), INTERNAL_CUSTOM_FIELD_PERMISSION);
 
         // @@校验 NOT_FOUND 异常

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationProjectControllerTests.java

@@ -213,7 +213,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         TemplateExample example = new TemplateExample();
         example.createCriteria().andScopeIdEqualTo(DEFAULT_ORGANIZATION_ID)
                 .andSceneEqualTo(TemplateScene.API.name());
-        Template template = templateMapper.selectByExample(example).get(0);
+        Template template = templateMapper.selectByExample(example).getFirst();
         TemplateUpdateRequest updateRequest = new TemplateUpdateRequest();
         TemplateCustomFieldRequest templateCustomFieldRequest = new TemplateCustomFieldRequest();
         templateCustomFieldRequest.setFieldId(customField.getId());
@@ -341,7 +341,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         UserRoleRelationExample userRoleRelationExample = new UserRoleRelationExample();
         userRoleRelationExample.createCriteria().andSourceIdEqualTo(projectId).andRoleIdEqualTo(InternalUserRole.PROJECT_ADMIN.getValue());
         List<UserRoleRelation> userRoleRelations = userRoleRelationMapper.selectByExample(userRoleRelationExample);
@@ -367,7 +367,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         Assertions.assertNull(projectExtend.getModuleSetting());
 
         //设置了模块模版
@@ -386,7 +386,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         userRoleRelationExample = new UserRoleRelationExample();
         userRoleRelationExample.createCriteria().andSourceIdEqualTo(projectId).andRoleIdEqualTo(InternalUserRole.PROJECT_ADMIN.getValue());
         userRoleRelations = userRoleRelationMapper.selectByExample(userRoleRelationExample);
@@ -410,7 +410,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         //校验资源池
         ProjectTestResourcePoolExample projectTestResourcePoolExample = new ProjectTestResourcePoolExample();
         projectTestResourcePoolExample.createCriteria().andProjectIdEqualTo(projectId);
@@ -511,7 +511,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         //第一个数据的createTime是最大的
         assert returnPager != null;
         List<ProjectDTO> projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        long firstCreateTime = projectDTOS.get(0).getCreateTime();
+        long firstCreateTime = projectDTOS.getFirst().getCreateTime();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getCreateTime() > firstCreateTime);
         }
@@ -537,7 +537,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         //第一个数据的organizationName是最小的
         assert returnPager != null;
         projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        String firstOrganizationName = projectDTOS.get(0).getOrganizationName();
+        String firstOrganizationName = projectDTOS.getFirst().getOrganizationName();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getOrganizationName().compareTo(firstOrganizationName) < 0);
         }
@@ -550,7 +550,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         //第一个数据的organizationName是最大的
         assert returnPager != null;
         projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        firstOrganizationName = projectDTOS.get(0).getOrganizationName();
+        firstOrganizationName = projectDTOS.getFirst().getOrganizationName();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getOrganizationName().compareTo(firstOrganizationName) > 0);
         }
@@ -812,7 +812,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         //第一个数据的createTime是最大的
         assert returnPager != null;
         List<UserExtendDTO> userExtendDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), UserExtendDTO.class);
-        long firstCreateTime = userExtendDTOS.get(0).getCreateTime();
+        long firstCreateTime = userExtendDTOS.getFirst().getCreateTime();
         for (UserExtendDTO userExtendDTO : userExtendDTOS) {
             Assertions.assertFalse(userExtendDTO.getCreateTime() > firstCreateTime);
         }
@@ -863,7 +863,7 @@ public class OrganizationProjectControllerTests extends BaseTest {
         int count = parseObjectFromMvcResult(mvcResult, Integer.class);
         Assertions.assertEquals(count, userRoleRelations.size());
         // 校验日志
-        checkLog(userRoleRelations.get(0).getId(), OperationLogType.DELETE);
+        checkLog(userRoleRelations.getFirst().getId(), OperationLogType.DELETE);
         // @@校验权限
         requestGetPermissionTest(PermissionConstants.ORGANIZATION_PROJECT_MEMBER_DELETE, removeProjectMember + projectId + "/" + userId);
     }

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationStatusFlowSettingControllerTest.java

@@ -287,7 +287,7 @@ public class OrganizationStatusFlowSettingControllerTest extends BaseTest {
                 .andInternalEqualTo(true).andNameEqualTo(DefaultBugStatusItemName.REJECTED)
                 .andScopeIdEqualTo(DEFAULT_ORGANIZATION_ID);
         List<StatusItem> statusItems = statusItemMapper.selectByExample(example);
-        return statusItems.size() == 0 ? null : statusItems.get(0);
+        return statusItems.size() == 0 ? null : statusItems.getFirst();
     }
 
     @Test
@@ -353,7 +353,7 @@ public class OrganizationStatusFlowSettingControllerTest extends BaseTest {
                 .andNameEqualTo(DefaultBugStatusItemName.NEW)
                 .andScopeIdEqualTo(scopeId);
         StatusItemMapper statusItemMapper = CommonBeanFactory.getBean(StatusItemMapper.class);
-        return statusItemMapper.selectByExample(example).get(0);
+        return statusItemMapper.selectByExample(example).getFirst();
     }
 
     public static void assertUpdateStatusDefinition(StatusDefinitionUpdateRequest request) {

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationTemplateControllerTests.java

@@ -86,7 +86,7 @@ public class OrganizationTemplateControllerTests extends BaseTest {
         // @@校验没有数据的情况
         MvcResult mvcResult = this.requestGetWithOkAndReturn(LIST, DEFAULT_ORGANIZATION_ID, TemplateScene.FUNCTIONAL.name());
         List<Template> templates = getResultDataArray(mvcResult, Template.class);
-        this.defaultTemplate = templates.get(0);
+        this.defaultTemplate = templates.getFirst();
     }
 
     @Test
@@ -264,7 +264,7 @@ public class OrganizationTemplateControllerTests extends BaseTest {
         request.setEnableThirdPart(true);
         request.setCustomFields(new ArrayList<>(0));
         request.setSystemFields(getTemplateSystemCustomFieldRequests());
-        request.getSystemFields().get(0).setDefaultValue("update");
+        request.getSystemFields().getFirst().setDefaultValue("update");
         this.requestPostWithOk(DEFAULT_UPDATE, request);
         Template template = templateMapper.selectByPrimaryKey(request.getId());
         // 校验请求成功数据
@@ -428,7 +428,7 @@ public class OrganizationTemplateControllerTests extends BaseTest {
         example.createCriteria()
                 .andScopeTypeEqualTo(TemplateScopeType.ORGANIZATION.name())
                 .andInternalEqualTo(true);
-        Template internalTemplate = templateMapper.selectByExample(example).get(0);
+        Template internalTemplate = templateMapper.selectByExample(example).getFirst();
         assertErrorCode(this.requestGet(DEFAULT_DELETE, internalTemplate.getId()), INTERNAL_TEMPLATE_PERMISSION);
 
         // @@校验 NOT_FOUND 异常

backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationUserRoleControllerTests.java

@@ -272,7 +272,7 @@ public class OrganizationUserRoleControllerTests extends BaseTest {
         // 返回值中取出第一条数据, 并判断是否包含关键字
         List<User> userList = JSON.parseArray(JSON.toJSONString(pageData.getList()), User.class);
         if(CollectionUtils.isNotEmpty(userList)) {
-            User user = userList.get(0);
+            User user = userList.getFirst();
             Assertions.assertTrue(StringUtils.contains(user.getName(), request.getKeyword())
                     || StringUtils.contains(user.getId(), request.getKeyword()));
         }

backend/services/system-setting/src/test/java/io/metersphere/system/controller/ServiceIntegrationControllerTests.java

@@ -187,7 +187,7 @@ public class ServiceIntegrationControllerTests extends BaseTest {
         MvcResult mvcResult = this.requestGetWithOkAndReturn(LIST, defaultOrg.getId());
         // 校验请求成功数据
         List<ServiceIntegrationDTO> serviceIntegrationList = getResultDataArray(mvcResult, ServiceIntegrationDTO.class);
-        ServiceIntegrationDTO serviceIntegrationDTO = serviceIntegrationList.get(0);
+        ServiceIntegrationDTO serviceIntegrationDTO = serviceIntegrationList.getFirst();
         ServiceIntegration serviceIntegration = serviceIntegrationMapper.selectByPrimaryKey(serviceIntegrationDTO.getId());
         Assertions.assertEquals(JSON.parseMap(new String(serviceIntegration.getConfiguration())),
                 serviceIntegrationDTO.getConfiguration());

backend/services/system-setting/src/test/java/io/metersphere/system/controller/SystemOrganizationControllerTests.java

@@ -76,7 +76,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= organizationRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字default
-        OrganizationDTO organizationDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), OrganizationDTO.class).get(0);
+        OrganizationDTO organizationDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), OrganizationDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(organizationDTO.getName(), organizationRequest.getKeyword())
                 || StringUtils.contains(organizationDTO.getId(), organizationRequest.getKeyword()));
 
@@ -89,7 +89,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是default-organization-6
-        OrganizationDTO organizationDTO1 = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), OrganizationDTO.class).get(0);
+        OrganizationDTO organizationDTO1 = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), OrganizationDTO.class).getFirst();
         Assertions.assertTrue(organizationDTO1.getId().contains("default"));
         // 权限校验
         requestPostPermissionTest(PermissionConstants.SYSTEM_ORGANIZATION_PROJECT_READ, ORGANIZATION_LIST, organizationRequest);
@@ -241,7 +241,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= organizationRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字admin
-        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).get(0);
+        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(userExtendDTO.getName(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getEmail(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getPhone(), organizationRequest.getKeyword()));
@@ -255,7 +255,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是admin
-        UserExtendDTO userExtendDTO1 = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), UserExtendDTO.class).get(0);
+        UserExtendDTO userExtendDTO1 = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), UserExtendDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(userExtendDTO1.getId(), "admin"));
         // 权限校验
         requestPostPermissionsTest(List.of(PermissionConstants.SYSTEM_ORGANIZATION_PROJECT_READ, PermissionConstants.SYSTEM_USER_READ),
@@ -311,7 +311,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= organizationRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字admin
-        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).get(0);
+        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(userExtendDTO.getName(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getEmail(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getPhone(), organizationRequest.getKeyword()));
@@ -347,7 +347,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         // 返回的数据量不超过规定要返回的数据量相同
         Assertions.assertTrue(JSON.parseArray(JSON.toJSONString(pageData.getList())).size() <= organizationRequest.getPageSize());
         // 返回值中取出第一条数据, 并判断是否包含关键字admin
-        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).get(0);
+        UserExtendDTO userExtendDTO = JSON.parseArray(JSON.toJSONString(pageData.getList()), UserExtendDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.contains(userExtendDTO.getName(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getEmail(), organizationRequest.getKeyword())
                 || StringUtils.contains(userExtendDTO.getPhone(), organizationRequest.getKeyword()));
@@ -427,7 +427,7 @@ public class SystemOrganizationControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是default-project
-        ProjectDTO projectDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), ProjectDTO.class).get(0);
+        ProjectDTO projectDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), ProjectDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.equals(projectDTO.getId(), "default-project"));
 
         // 权限校验

backend/services/system-setting/src/test/java/io/metersphere/system/controller/SystemProjectControllerTests.java

@@ -335,7 +335,7 @@ public class SystemProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         UserRoleRelationExample userRoleRelationExample = new UserRoleRelationExample();
         userRoleRelationExample.createCriteria().andSourceIdEqualTo(projectId).andRoleIdEqualTo(InternalUserRole.PROJECT_ADMIN.getValue());
         List<UserRoleRelation> userRoleRelations = userRoleRelationMapper.selectByExample(userRoleRelationExample);
@@ -364,7 +364,7 @@ public class SystemProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         userRoleRelationExample = new UserRoleRelationExample();
         userRoleRelationExample.createCriteria().andSourceIdEqualTo(projectId).andRoleIdEqualTo(InternalUserRole.PROJECT_ADMIN.getValue());
         userRoleRelations = userRoleRelationMapper.selectByExample(userRoleRelationExample);
@@ -395,7 +395,7 @@ public class SystemProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         userRoleRelationExample = new UserRoleRelationExample();
         userRoleRelationExample.createCriteria().andSourceIdEqualTo(projectId).andRoleIdEqualTo(InternalUserRole.PROJECT_ADMIN.getValue());
         userRoleRelations = userRoleRelationMapper.selectByExample(userRoleRelationExample);
@@ -419,7 +419,7 @@ public class SystemProjectControllerTests extends BaseTest {
         // 校验日志
         checkLog(projectId, OperationLogType.ADD);
 
-        compareProjectDTO(projects.get(0), result);
+        compareProjectDTO(projects.getFirst(), result);
         //校验资源池
         ProjectTestResourcePoolExample projectTestResourcePoolExample = new ProjectTestResourcePoolExample();
         projectTestResourcePoolExample.createCriteria().andProjectIdEqualTo(projectId);
@@ -573,7 +573,7 @@ public class SystemProjectControllerTests extends BaseTest {
 
         // 关联模板
         TemplateUpdateRequest request = new TemplateUpdateRequest();
-        Template template = baseTemplateService.getTemplates(DEFAULT_ORGANIZATION_ID, scene).get(0);
+        Template template = baseTemplateService.getTemplates(DEFAULT_ORGANIZATION_ID, scene).getFirst();
         TemplateCustomFieldRequest templateCustomFieldRequest = new TemplateCustomFieldRequest();
         templateCustomFieldRequest.setFieldId(customField.getId());
         templateCustomFieldRequest.setRequired(false);
@@ -686,7 +686,7 @@ public class SystemProjectControllerTests extends BaseTest {
         //第一个数据的createTime是最大的
         assert returnPager != null;
         List<ProjectDTO> projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        long firstCreateTime = projectDTOS.get(0).getCreateTime();
+        long firstCreateTime = projectDTOS.getFirst().getCreateTime();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getCreateTime() > firstCreateTime);
         }
@@ -713,7 +713,7 @@ public class SystemProjectControllerTests extends BaseTest {
         //第一个数据的organizationName是最小的
         assert returnPager != null;
         projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        String firstOrganizationName = projectDTOS.get(0).getOrganizationName();
+        String firstOrganizationName = projectDTOS.getFirst().getOrganizationName();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getOrganizationName().compareTo(firstOrganizationName) < 0);
         }
@@ -726,7 +726,7 @@ public class SystemProjectControllerTests extends BaseTest {
         //第一个数据的organizationName是最大的
         assert returnPager != null;
         projectDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), ProjectDTO.class);
-        firstOrganizationName = projectDTOS.get(0).getOrganizationName();
+        firstOrganizationName = projectDTOS.getFirst().getOrganizationName();
         for (ProjectDTO projectDTO : projectDTOS) {
             Assertions.assertFalse(projectDTO.getOrganizationName().compareTo(firstOrganizationName) > 0);
         }
@@ -952,7 +952,7 @@ public class SystemProjectControllerTests extends BaseTest {
         returnPager = parseObjectFromMvcResult(mvcResult, Pager.class);
         //第一个数据的createTime是最大的
         List<UserExtendDTO> userExtendDTOS = JSON.parseArray(JSON.toJSONString(returnPager.getList()), UserExtendDTO.class);
-        long firstCreateTime = userExtendDTOS.get(0).getCreateTime();
+        long firstCreateTime = userExtendDTOS.getFirst().getCreateTime();
         for (UserExtendDTO userExtendDTO : userExtendDTOS) {
             Assertions.assertFalse(userExtendDTO.getCreateTime() > firstCreateTime);
         }

backend/services/system-setting/src/test/java/io/metersphere/system/controller/TestResourcePoolControllerTests.java

@@ -281,7 +281,7 @@ class TestResourcePoolControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是default-admin
-        TestResourcePoolDTO testResourcePoolDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), TestResourcePoolDTO.class).get(0);
+        TestResourcePoolDTO testResourcePoolDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), TestResourcePoolDTO.class).getFirst();
         Assertions.assertNull(testResourcePoolDTO.getInUsed());
     }
 
@@ -557,7 +557,7 @@ class TestResourcePoolControllerTests extends BaseTest {
         ResultHolder sortHolder = JSON.parseObject(sortData, ResultHolder.class);
         Pager<?> sortPageData = JSON.parseObject(JSON.toJSONString(sortHolder.getData()), Pager.class);
         // 返回值中取出第一条ID最大的数据, 并判断是否是default-admin
-        TestResourcePoolDTO testResourcePoolDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), TestResourcePoolDTO.class).get(0);
+        TestResourcePoolDTO testResourcePoolDTO = JSON.parseArray(JSON.toJSONString(sortPageData.getList()), TestResourcePoolDTO.class).getFirst();
         Assertions.assertTrue(StringUtils.equals(testResourcePoolDTO.getName(), keyWord));
         return testResourcePoolDTO;
     }

backend/services/system-setting/src/test/java/io/metersphere/system/controller/UserApiKeysControllerTests.java

@@ -77,10 +77,10 @@ public class UserApiKeysControllerTests extends BaseTest {
         UserKeyExample userKeyExample = new UserKeyExample();
         userKeyExample.createCriteria().andCreateUserEqualTo("admin");
         List<UserKey> userKeys = userKeyMapper.selectByExample(userKeyExample);
-        userKeyId = userKeys.get(0).getId();
+        userKeyId = userKeys.getFirst().getId();
         Assertions.assertEquals(1, userKeys.size());
         //校验日志
-        checkLog(userKeys.get(0).getId(), OperationLogType.ADD);
+        checkLog(userKeys.getFirst().getId(), OperationLogType.ADD);
         //校验只能加五条的限制
         requestGet(ADD);
         requestGet(ADD);
@@ -111,10 +111,10 @@ public class UserApiKeysControllerTests extends BaseTest {
         //选一个id不等于userKeyId的  只要id
         //取所有的id
         List<String> list = userKeys.stream().map(UserKey::getId).filter(id -> !id.equals(userKeyId)).toList();
-        requestGet(String.format(DELETE, list.get(0)));
+        requestGet(String.format(DELETE, list.getFirst()));
         Assertions.assertEquals(4, userKeyMapper.countByExample(userKeyExample));
         //校验日志
-        checkLog(list.get(0), OperationLogType.DELETE);
+        checkLog(list.getFirst(), OperationLogType.DELETE);
         //处理不存在的
         requestGet(String.format(DELETE, UUID.randomUUID().toString()), status().is5xxServerError());
         //校验权限
@@ -220,7 +220,7 @@ public class UserApiKeysControllerTests extends BaseTest {
     public void testValidate() throws Exception {
         List<UserKey> userKeys = userKeyMapper.selectByExample(new UserKeyExample());
         List<String> list = userKeys.stream().map(UserKey::getId).filter(id -> !id.equals(userKeyId)).toList();
-        UserKey userKey1 = userKeyMapper.selectByPrimaryKey(list.get(0));
+        UserKey userKey1 = userKeyMapper.selectByPrimaryKey(list.getFirst());
         MockHttpServletRequestBuilder requestBuilder = MockMvcRequestBuilders.get(VALIDATE);
         String signature = CodingUtils.aesEncrypt(userKey1.getAccessKey() + "|" + UUID.randomUUID().toString() + "|" + System.currentTimeMillis(), userKey1.getSecretKey(), userKey1.getAccessKey());
         requestBuilder

backend/services/system-setting/src/test/java/io/metersphere/system/controller/UserLocalConfigControllerTests.java

@@ -84,7 +84,7 @@ public class UserLocalConfigControllerTests extends BaseTest {
     public void testUpdate() throws Exception {
         UserLocalConfigExample userLocalConfigExample = new UserLocalConfigExample();
         userLocalConfigExample.createCriteria().andCreateUserEqualTo("admin").andTypeEqualTo("API");
-        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).get(0);
+        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).getFirst();
         UserLocalConfigUpdateRequest request = new UserLocalConfigUpdateRequest();
         request.setId(userLocalConfig.getId());
         request.setUserUrl("https://www.zhihu.com");
@@ -107,7 +107,7 @@ public class UserLocalConfigControllerTests extends BaseTest {
     public void testEnable() throws Exception {
         UserLocalConfigExample userLocalConfigExample = new UserLocalConfigExample();
         userLocalConfigExample.createCriteria().andCreateUserEqualTo("admin").andTypeEqualTo("API");
-        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).get(0);
+        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).getFirst();
         requestGet(String.format(ENABLE, userLocalConfig.getId()));
         userLocalConfig = userLocalConfigMapper.selectByPrimaryKey(userLocalConfig.getId());
         Assertions.assertEquals(true, userLocalConfig.getEnable());
@@ -122,7 +122,7 @@ public class UserLocalConfigControllerTests extends BaseTest {
     public void testDisable() throws Exception {
         UserLocalConfigExample userLocalConfigExample = new UserLocalConfigExample();
         userLocalConfigExample.createCriteria().andCreateUserEqualTo("admin").andTypeEqualTo("API");
-        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).get(0);
+        UserLocalConfig userLocalConfig = userLocalConfigMapper.selectByExample(userLocalConfigExample).getFirst();
         requestGet(String.format(DISABLE, userLocalConfig.getId()));
         userLocalConfig = userLocalConfigMapper.selectByPrimaryKey(userLocalConfig.getId());
         Assertions.assertEquals(false, userLocalConfig.getEnable());

backend/services/system-setting/src/test/java/io/metersphere/system/controller/user/PersonalControllerTests.java

@@ -87,7 +87,7 @@ public class PersonalControllerTests extends BaseTest {
         example.createCriteria().andIdEqualTo(loginUser);
         List<UserExtend> userExtends = userExtendMapper.selectByExample(example);
         if (!userExtends.isEmpty()) {
-            Assertions.assertNull(userExtends.get(0).getAvatar());
+            Assertions.assertNull(userExtends.getFirst().getAvatar());
         }
 
         request = new PersonalUpdateRequest();

backend/services/system-setting/src/test/java/io/metersphere/system/service/TestResourcePoolServiceTest.java

@@ -29,12 +29,12 @@ public class TestResourcePoolServiceTest extends BaseTest {
 
     @Test
     public void getTestResourceDTO() {
-        testResourcePoolService.getTestResourceDTO(testResourcePoolMapper.selectByExample(new TestResourcePoolExample()).get(0).getId());
+        testResourcePoolService.getTestResourceDTO(testResourcePoolMapper.selectByExample(new TestResourcePoolExample()).getFirst().getId());
     }
 
     @Test
     public void validateOrgResourcePool() {
-        TestResourcePool resourcePool = testResourcePoolMapper.selectByExample(new TestResourcePoolExample()).get(0);
+        TestResourcePool resourcePool = testResourcePoolMapper.selectByExample(new TestResourcePoolExample()).getFirst();
         testResourcePoolService.getTestResourcePool(resourcePool.getId());
         commonProjectService.validateProjectResourcePool(resourcePool, DEFAULT_PROJECT_ID);
         testResourcePoolService.validateOrgResourcePool(resourcePool, DEFAULT_ORGANIZATION_ID);

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanApiCaseService.java

@@ -653,7 +653,7 @@ public class TestPlanApiCaseService extends TestPlanResourceService {
     @Override
     public void initResourceDefaultCollection(String planId, List<TestPlanCollectionDTO> defaultCollections) {
         TestPlanCollectionDTO defaultCollection = defaultCollections.stream().filter(collection -> StringUtils.equals(collection.getType(), CaseType.API_CASE.getKey())
-                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().get(0);
+                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().getFirst();
         SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH);
         TestPlanApiCaseMapper apiBatchMapper = sqlSession.getMapper(TestPlanApiCaseMapper.class);
         TestPlanApiCase record = new TestPlanApiCase();

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanApiScenarioService.java

@@ -243,7 +243,7 @@ public class TestPlanApiScenarioService extends TestPlanResourceService {
     @Override
     public void initResourceDefaultCollection(String planId, List<TestPlanCollectionDTO> defaultCollections) {
         TestPlanCollectionDTO defaultCollection = defaultCollections.stream().filter(collection -> StringUtils.equals(collection.getType(), CaseType.SCENARIO_CASE.getKey())
-                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().get(0);
+                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().getFirst();
         SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH);
         TestPlanApiScenarioMapper scenarioBatchMapper = sqlSession.getMapper(TestPlanApiScenarioMapper.class);
         TestPlanApiScenario record = new TestPlanApiScenario();

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanCollectionMinderService.java

@@ -351,7 +351,7 @@ public class TestPlanCollectionMinderService {
     @NotNull
     private static TestPlanCollection updateCollection(TestPlanCollectionMinderEditRequest request, String userId, TestPlanCollectionMinderEditDTO testPlanCollectionMinderEditDTO, Map<String, List<TestPlanCollection>> parentMap, TestPlanCollectionMapper collectionMapper) {
         TestPlanCollection testPlanCollection = new TestPlanCollection();
-        TestPlanCollection parent = parentMap.get(testPlanCollectionMinderEditDTO.getType()).get(0);
+        TestPlanCollection parent = parentMap.get(testPlanCollectionMinderEditDTO.getType()).getFirst();
         if (testPlanCollectionMinderEditDTO.getExtended()) {
             BeanUtils.copyBean(testPlanCollection, parent);
         } else {
@@ -379,7 +379,7 @@ public class TestPlanCollectionMinderService {
     @NotNull
     private static TestPlanCollection addCollection(TestPlanCollectionMinderEditRequest request, String userId, TestPlanCollectionMinderEditDTO testPlanCollectionMinderEditDTO, Map<String, List<TestPlanCollection>> parentMap, TestPlanCollectionMapper collectionMapper) {
         List<TestPlanCollection> testPlanCollections = parentMap.get(testPlanCollectionMinderEditDTO.getType());
-        TestPlanCollection parent = testPlanCollections.get(0);
+        TestPlanCollection parent = testPlanCollections.getFirst();
         TestPlanCollection testPlanCollection = new TestPlanCollection();
         if (testPlanCollectionMinderEditDTO.getExtended()) {
             BeanUtils.copyBean(testPlanCollection, parent);

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanFunctionalCaseService.java

@@ -259,7 +259,7 @@ public class TestPlanFunctionalCaseService extends TestPlanResourceService {
         Map<String, List<FunctionalCaseCustomFieldDTO>> collect = functionalCaseService.getCaseCustomFiledMap(ids, projectId);
         Set<String> userIds = extractUserIds(functionalCaseLists);
         List<String> relateIds = functionalCaseLists.stream().map(TestPlanCasePageResponse::getId).collect(Collectors.toList());
-        Map<String, List<CaseRelateBugDTO>> bugListMap = getBugData(relateIds, functionalCaseLists.get(0).getTestPlanId());
+        Map<String, List<CaseRelateBugDTO>> bugListMap = getBugData(relateIds, functionalCaseLists.getFirst().getTestPlanId());
         List<SelectOption> statusOption = bugStatusService.getHeaderStatusOption(projectId);
         Map<String, String> statusMap = statusOption.stream().collect(Collectors.toMap(SelectOption::getValue, SelectOption::getText));
         Map<String, String> userMap = userLoginService.getUserNameMap(new ArrayList<>(userIds));
@@ -708,7 +708,7 @@ public class TestPlanFunctionalCaseService extends TestPlanResourceService {
         List<TestPlanCaseExecuteHistory> testPlanCaseExecuteHistories = extTestPlanCaseExecuteHistoryMapper.selectSteps(id, caseId);
         List<FunctionalCaseStepDTO> functionalCaseStepDTOS = new ArrayList<>();
         if (CollectionUtils.isNotEmpty(testPlanCaseExecuteHistories)) {
-            TestPlanCaseExecuteHistory testPlanCaseExecuteHistory = testPlanCaseExecuteHistories.get(0);
+            TestPlanCaseExecuteHistory testPlanCaseExecuteHistory = testPlanCaseExecuteHistories.getFirst();
             if (StringUtils.isNotBlank(caseDetailSteps)) {
                 List<FunctionalCaseStepDTO> newCaseSteps = JSON.parseArray(caseDetailSteps, FunctionalCaseStepDTO.class);
                 compareStep(testPlanCaseExecuteHistory, newCaseSteps);
@@ -900,7 +900,7 @@ public class TestPlanFunctionalCaseService extends TestPlanResourceService {
     @Override
     public void initResourceDefaultCollection(String planId, List<TestPlanCollectionDTO> defaultCollections) {
         TestPlanCollectionDTO defaultCollection = defaultCollections.stream().filter(collection -> StringUtils.equals(collection.getType(), CaseType.FUNCTIONAL_CASE.getKey())
-                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().get(0);
+                && !StringUtils.equals(collection.getParentId(), "NONE")).toList().getFirst();
         SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH);
         TestPlanFunctionalCaseMapper functionalBatchMapper = sqlSession.getMapper(TestPlanFunctionalCaseMapper.class);
         TestPlanFunctionalCase record = new TestPlanFunctionalCase();

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanLogService.java

@@ -188,7 +188,7 @@ public class TestPlanLogService {
         if (CollectionUtils.isEmpty(plans)) {
             return;
         }
-        Project project = projectMapper.selectByPrimaryKey(plans.get(0).getProjectId());
+        Project project = projectMapper.selectByPrimaryKey(plans.getFirst().getProjectId());
         List<LogDTO> list = new ArrayList<>();
         for (TestPlan plan : plans) {
             LogDTO dto = LogDTOBuilder.builder()

backend/services/test-plan/src/main/java/io/metersphere/plan/utils/CountUtils.java

@@ -24,7 +24,7 @@ public class CountUtils {
 			return new CaseCount();
 		}
 
-		Class<CaseCount> clazz = (Class<CaseCount>) list.get(0).getClass();
+		Class<CaseCount> clazz = (Class<CaseCount>) list.getFirst().getClass();
 		CaseCount summary;
 		try {
 			summary = clazz.newInstance();