diff --git a/backend/src/main/java/io/metersphere/api/dto/automation/parse/ApiScenarioImportUtil.java b/backend/src/main/java/io/metersphere/api/dto/automation/parse/ApiScenarioImportUtil.java
index 2fe45151ce..4423496a7b 100644
--- a/backend/src/main/java/io/metersphere/api/dto/automation/parse/ApiScenarioImportUtil.java
+++ b/backend/src/main/java/io/metersphere/api/dto/automation/parse/ApiScenarioImportUtil.java
@@ -271,7 +271,7 @@ public class ApiScenarioImportUtil {
         apiTestCase.setUpdateTime(System.currentTimeMillis());
         apiTestCase.setVersionId(apiDefinition.getVersionId());
         apiTestCase.setPriority("P0");
-        apiTestCase.setNum(testCaseService.getNextNum(apiTestCase.getApiDefinitionId(), apiDefinition.getNum() + i));
+        apiTestCase.setNum(testCaseService.getNextNum(apiTestCase.getApiDefinitionId(), apiDefinition.getNum() + i, projectId));
         object.put("id", apiTestCase.getId());
         object.put("resourceId", apiTestCase.getId());
         object.put("projectId", projectId);
diff --git a/backend/src/main/java/io/metersphere/api/service/ApiDefinitionService.java b/backend/src/main/java/io/metersphere/api/service/ApiDefinitionService.java
index fef6b01e15..0861af263d 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiDefinitionService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiDefinitionService.java
@@ -1113,7 +1113,7 @@ public class ApiDefinitionService {
         if (sameCase == null) {
             apiTestCase.setId(UUID.randomUUID().toString());
             apiTestCase.setStatus("");
-            apiTestCase.setNum(apiTestCaseService.getNextNum(apiTestCase.getApiDefinitionId(), apiDefinition.getNum()));
+            apiTestCase.setNum(apiTestCaseService.getNextNum(apiTestCase.getApiDefinitionId(), apiDefinition.getNum(), apiDefinition.getProjectId()));
             apiTestCase.setCreateTime(System.currentTimeMillis());
             apiTestCase.setUpdateTime(System.currentTimeMillis());
             apiTestCase.setCreateUserId(SessionUtils.getUserId());
diff --git a/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java b/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
index 2940421227..2d9492ebba 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
@@ -111,6 +111,8 @@ public class ApiTestCaseService {
     private TcpApiParamService tcpApiParamService;
     @Resource
     private ObjectMapper mapper;
+    @Resource
+    private ExtApiDefinitionMapper extApiDefinitionMapper;
 
     private static final String BODY_FILE_DIR = FileUtils.BODY_FILE_DIR;
 
@@ -471,25 +473,43 @@ public class ApiTestCaseService {
 
     public int getNextNum(String definitionId) {
         ApiTestCase apiTestCase = extApiTestCaseMapper.getNextNum(definitionId);
+        ApiDefinitionWithBLOBs apiDefinitionWithBLOBs = apiDefinitionMapper.selectByPrimaryKey(definitionId);
         if (apiTestCase == null) {
-            int n = apiDefinitionMapper.selectByPrimaryKey(definitionId).getNum();
+            int n = apiDefinitionWithBLOBs.getNum();
             return n * 1000 + 1;
         } else {
             return Optional.of(apiTestCase.getNum() + 1)
-                    .orElse(apiDefinitionMapper.selectByPrimaryKey(definitionId).getNum() * 1000 + 1);
+                    .orElse(apiDefinitionWithBLOBs.getNum() * 1000 + 1);
         }
     }
 
-    public int getNextNum(String definitionId, Integer definitionNum) {
+    public int getNextNum(String definitionId, Integer definitionNum, String projectId) {
         ApiTestCase apiTestCase = extApiTestCaseMapper.getNextNum(definitionId);
+        ApiDefinitionWithBLOBs apiDefinitionWithBLOBs = apiDefinitionMapper.selectByPrimaryKey(definitionId);
+        int apiDefinitionNum;
+        if (apiDefinitionWithBLOBs != null && apiDefinitionWithBLOBs.getNum() != null) {
+            apiDefinitionNum = apiDefinitionWithBLOBs.getNum() * 1000 + 1;
+        } else {
+            apiDefinitionNum = getNextNumByProjectId(projectId);
+        }
         if (apiTestCase == null) {
             if (definitionNum == null) {
-                return apiDefinitionMapper.selectByPrimaryKey(definitionId).getNum() * 1000 + 1;
+                return apiDefinitionNum;
+
             }
             return definitionNum * 1000 + 1;
         } else {
             return Optional.of(apiTestCase.getNum() + 1)
-                    .orElse(apiDefinitionMapper.selectByPrimaryKey(definitionId).getNum() * 1000 + 1);
+                    .orElse(apiDefinitionNum);
+        }
+    }
+
+    public int getNextNumByProjectId(String projectId) {
+        ApiDefinition apiDefinition = extApiDefinitionMapper.getNextNum(projectId);
+        if (apiDefinition == null || apiDefinition.getNum() == null) {
+            return 100001;
+        } else {
+            return Optional.of(apiDefinition.getNum() + 1).orElse(100001);
         }
     }
 
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiDefinitionMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiDefinitionMapper.xml
index 14a73ce78e..7371ac8e4d 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiDefinitionMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiDefinitionMapper.xml
@@ -1022,6 +1022,7 @@
             #{versionId}
         </foreach>
         and protocol = #{protocol}
+        and status != 'Trash'
     </select>
     <sql id="Same_Where_Clause">
         <where>