diff --git a/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.java b/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.java
index 090c3ae220..8df7aa27c8 100644
--- a/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.java
+++ b/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.java
@@ -9,4 +9,7 @@ public interface ExtApiScenarioReferenceIdMapper {
     List<ApiScenarioReferenceId> selectUrlByProjectId(@Param("projectId") String projectId, @Param("versionId") String versionId);
 
     List<ApiScenarioReferenceId> selectReferenceIdByIds(List<String> ids);
+
+    int selectByScenarioIds(List<String> ids);
+
 }
diff --git a/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.xml b/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.xml
index 0465bf64ea..c527c2f097 100644
--- a/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.xml
+++ b/api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.xml
@@ -28,5 +28,16 @@
             and api_scenario.status != 'Trash' and api_scenario_reference_id.reference_type = 'REF'
         </where>
     </select>
+    <select id="selectByScenarioIds" resultType="java.lang.Integer">
+        SELECT
+            count(*)
+        FROM
+            api_scenario_reference_id
+        WHERE
+            api_scenario_id IN
+        <foreach collection="ids" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+    </select>
 
 </mapper>
\ No newline at end of file
diff --git a/api-test/backend/src/main/java/io/metersphere/controller/scenario/ApiScenarioController.java b/api-test/backend/src/main/java/io/metersphere/controller/scenario/ApiScenarioController.java
index 4363d98b49..68fcdb6670 100644
--- a/api-test/backend/src/main/java/io/metersphere/controller/scenario/ApiScenarioController.java
+++ b/api-test/backend/src/main/java/io/metersphere/controller/scenario/ApiScenarioController.java
@@ -209,6 +209,11 @@ public class ApiScenarioController {
         return apiAutomationService.getScenarioDetail(ids);
     }
 
+    @PostMapping("/get-scenario-step")
+    public int getScenarioStep(@RequestBody List<String> ids) {
+        return apiAutomationService.getScenarioStep(ids);
+    }
+
     @PostMapping(value = "/run/debug")
     @MsAuditLog(module = OperLogModule.API_AUTOMATION, type = OperLogConstants.DEBUG, title = "#request.scenarioName", sourceId = "#request.scenarioId", project = "#request.projectId")
     public String runDebug(@RequestPart("request") RunDefinitionRequest request, @RequestPart(value = "bodyFiles", required = false) List<MultipartFile> bodyFiles, @RequestPart(value = "scenarioFiles", required = false) List<MultipartFile> scenarioFiles) {
diff --git a/api-test/backend/src/main/java/io/metersphere/service/MsHashTreeService.java b/api-test/backend/src/main/java/io/metersphere/service/MsHashTreeService.java
index 50136ecb89..3406984ac6 100644
--- a/api-test/backend/src/main/java/io/metersphere/service/MsHashTreeService.java
+++ b/api-test/backend/src/main/java/io/metersphere/service/MsHashTreeService.java
@@ -365,6 +365,9 @@ public class MsHashTreeService {
 
     public void caseFormatting(JSONObject element, List<String> caseIds, ParameterConfig msParameter) {
         List<ApiTestCaseInfo> caseInfos = apiTestCaseService.selectByCaseIds(caseIds);
+        if(CollectionUtils.isEmpty(caseInfos)){
+            return;
+        }
         Map<String, ApiTestCaseInfo> caseMap = caseInfos.stream()
                 .collect(Collectors.toMap(ApiTestCase::getId, a -> a, (k1, k2) -> k1));
         if (element != null && ElementConstants.REQUESTS.contains(element.optString(TYPE))) {
diff --git a/api-test/backend/src/main/java/io/metersphere/service/scenario/ApiScenarioService.java b/api-test/backend/src/main/java/io/metersphere/service/scenario/ApiScenarioService.java
index 613faba3ce..ac6adc1f7b 100644
--- a/api-test/backend/src/main/java/io/metersphere/service/scenario/ApiScenarioService.java
+++ b/api-test/backend/src/main/java/io/metersphere/service/scenario/ApiScenarioService.java
@@ -841,6 +841,9 @@ public class ApiScenarioService {
         }
     }
 
+    public int getScenarioStep(List<String> ids) {
+        return extApiScenarioReferenceIdMapper.selectByScenarioIds(ids);
+    }
     public List<ApiScenarioDTO> getScenarioDetail(List<String> ids) {
         if (CollectionUtils.isEmpty(ids)) {
             return new ArrayList<>();
diff --git a/api-test/frontend/src/api/scenario.js b/api-test/frontend/src/api/scenario.js
index 2d3f186190..a12bf7e31b 100644
--- a/api-test/frontend/src/api/scenario.js
+++ b/api-test/frontend/src/api/scenario.js
@@ -67,6 +67,10 @@ export function getApiScenarios(params) {
   return post('/api/automation/get-scenario-list', params);
 }
 
+export function getApiScenarioStep(params) {
+  return post('/api/automation/get-scenario-step', params);
+}
+
 export function genPerformanceTestJmx(params) {
   return post('/api/automation/gen-jmx', params);
 }
diff --git a/api-test/frontend/src/business/automation/scenario/api/ApiRelevance.vue b/api-test/frontend/src/business/automation/scenario/api/ApiRelevance.vue
index 7f43237127..a242c959ec 100644
--- a/api-test/frontend/src/business/automation/scenario/api/ApiRelevance.vue
+++ b/api-test/frontend/src/business/automation/scenario/api/ApiRelevance.vue
@@ -91,6 +91,7 @@ import RelevanceDialog from '@/business/commons/RelevanceDialog';
 import TestCaseRelevanceBase from '@/business/commons/TestCaseRelevanceBase';
 import { hasLicense } from 'metersphere-frontend/src/utils/permission';
 import TableSelectCountBar from '@/business/automation/scenario/api/TableSelectCountBar';
+import { operationConfirm } from 'metersphere-frontend/src/utils';
 
 export default {
   name: 'ApiRelevance',
@@ -156,38 +157,56 @@ export default {
           api.projectId = this.projectId;
         });
         let params = this.$refs.apiList.getConditions();
-        this.result = apiListBatch(params).then(
-          (response) => {
-            let apis = response.data;
-            if (apis.length === 0) {
-              this.$warning('请选择接口');
-              this.buttonIsWorking = false;
+        this.result = apiListBatch(params).then((response) => {
+          let apis = response.data;
+          if (apis.length === 0) {
+            this.$warning(this.$t('automation.case_message'));
+            this.buttonIsWorking = false;
+          } else {
+            if (apis.length > 500) {
+              operationConfirm(
+                this,
+                this.$t('automation.scenario_step_ref_message', [apis.length]) + '？',
+                () => {
+                  this.$emit('save', apis, 'API', reference);
+                  this.$refs.baseRelevance.close();
+                },
+                () => {
+                  this.buttonIsWorking = false;
+                }
+              );
             } else {
               this.$emit('save', apis, 'API', reference);
               this.$refs.baseRelevance.close();
             }
-          },
-          (error) => {
-            this.buttonIsWorking = false;
           }
-        );
+        });
       } else {
         let params = this.$refs.apiCaseList.getConditions();
-        this.result = getApiCaseWithBLOBs(params).then(
-          (response) => {
-            let apiCases = response.data;
-            if (apiCases.length === 0) {
-              this.$warning('请选择案例');
-              this.buttonIsWorking = false;
+        this.result = getApiCaseWithBLOBs(params).then((response) => {
+          let apiCases = response.data;
+          if (apiCases.length === 0) {
+            this.$warning(this.$t('automation.case_message'));
+            this.buttonIsWorking = false;
+          } else {
+            if (apiCases.length > 500) {
+              operationConfirm(
+                this,
+                this.$t('automation.scenario_step_ref_message', [apiCases.length]) + '？',
+                () => {
+                  this.$emit('save', apiCases, 'CASE', reference);
+                  this.$refs.baseRelevance.close();
+                },
+                () => {
+                  this.buttonIsWorking = false;
+                }
+              );
             } else {
               this.$emit('save', apiCases, 'CASE', reference);
               this.$refs.baseRelevance.close();
             }
-          },
-          (error) => {
-            this.buttonIsWorking = false;
           }
-        );
+        });
       }
     },
     close() {
diff --git a/api-test/frontend/src/business/automation/scenario/api/ScenarioRelevance.vue b/api-test/frontend/src/business/automation/scenario/api/ScenarioRelevance.vue
index c5e8629ca7..7d8537ac5a 100644
--- a/api-test/frontend/src/business/automation/scenario/api/ScenarioRelevance.vue
+++ b/api-test/frontend/src/business/automation/scenario/api/ScenarioRelevance.vue
@@ -43,19 +43,18 @@
 
 <script>
 import { getProjectVersions, versionEnableByProjectId } from '@/api/xpack';
-import { apiScenarioAll, getApiScenarios } from '@/api/scenario';
+import { apiScenarioAll, getApiScenarios, getApiScenarioStep } from '@/api/scenario';
 import MsContainer from 'metersphere-frontend/src/components/MsContainer';
 import MsAsideContainer from 'metersphere-frontend/src/components/MsAsideContainer';
 import MsMainContainer from 'metersphere-frontend/src/components/MsMainContainer';
 import MsApiScenarioModule from '../ApiScenarioModule';
-import { getUUID } from 'metersphere-frontend/src/utils';
+import { getUUID, operationConfirm } from 'metersphere-frontend/src/utils';
 import { hasLicense } from 'metersphere-frontend/src/utils/permission';
 import RelevanceDialog from '@/business/commons/RelevanceDialog';
 import RelevanceScenarioList from './RelevanceScenarioList';
 import TestCaseRelevanceBase from '../../../commons/TestCaseRelevanceBase';
 import TableSelectCountBar from '@/business/automation/scenario/api/TableSelectCountBar';
 import { getProjectConfig } from '@/api/project';
-
 export default {
   name: 'ScenarioRelevance',
   props: {
@@ -161,53 +160,69 @@ export default {
         let params = {};
         params.ids = this.currentScenarioIds;
         params.condition = conditions;
-        apiScenarioAll(params).then(
-          (response) => {
-            this.currentScenarioIds = response.data;
-            if (!this.currentScenarioIds || this.currentScenarioIds.length < 1) {
-              this.$warning('请选择场景');
-              this.buttonIsWorking = false;
-              return;
-            }
-            this.result = getApiScenarios(this.currentScenarioIds).then(
-              (response) => {
-                if (response.data) {
-                  this.createScenarioDefinition(scenarios, response.data, referenced);
-                  this.$emit('save', scenarios);
-                  this.$refs.baseRelevance.close();
+        apiScenarioAll(params).then((response) => {
+          this.currentScenarioIds = response.data;
+          if (!this.currentScenarioIds || this.currentScenarioIds.length < 1) {
+            this.$warning(this.$t('automation.scenario_message'));
+            this.buttonIsWorking = false;
+            return;
+          }
+          getApiScenarioStep(this.currentScenarioIds).then((response) => {
+            if (response.data > 500) {
+              operationConfirm(
+                this,
+                this.$t('automation.scenario_step_ref_message', [response.data]) + '？',
+                () => {
+                  this.pushApiScenario(scenarios, referenced);
+                },
+                () => {
                   this.buttonIsWorking = false;
                 }
-              },
-              (error) => {
-                this.buttonIsWorking = false;
-              }
-            );
-          },
-          (error) => {
-            this.buttonIsWorking = false;
-          }
-        );
+              );
+            } else {
+              this.pushApiScenario(scenarios, referenced);
+            }
+          });
+        });
       } else {
         if (!this.currentScenarioIds || this.currentScenarioIds.length < 1) {
-          this.$warning('请选择场景');
+          this.$warning(this.$t('automation.scenario_message'));
           this.buttonIsWorking = false;
           return;
         }
-        this.result = getApiScenarios(this.currentScenarioIds).then(
-          (response) => {
-            if (response.data) {
-              this.currentScenarioIds = [];
-              this.createScenarioDefinition(scenarios, response.data, referenced);
-              this.$emit('save', scenarios);
-              this.$refs.baseRelevance.close();
-              this.buttonIsWorking = false;
-            }
-          },
-          (error) => {
+        getApiScenarioStep(this.currentScenarioIds).then((response) => {
+          if (response.data > 500) {
+            operationConfirm(
+              this,
+              this.$t('automation.scenario_step_ref_message', [response.data]) + '？',
+              () => {
+                this.pushApiScenario(scenarios, referenced);
+              },
+              () => {
+                this.buttonIsWorking = false;
+              }
+            );
+          } else {
+            this.pushApiScenario(scenarios, referenced);
+          }
+        });
+      }
+    },
+    pushApiScenario(scenarios, referenced) {
+      this.result = getApiScenarios(this.currentScenarioIds).then(
+        (response) => {
+          if (response.data) {
+            this.currentScenarioIds = [];
+            this.createScenarioDefinition(scenarios, response.data, referenced);
+            this.$emit('save', scenarios);
+            this.$refs.baseRelevance.close();
             this.buttonIsWorking = false;
           }
-        );
-      }
+        },
+        () => {
+          this.buttonIsWorking = false;
+        }
+      );
     },
     reference() {
       this.getScenarioDefinition('REF');
diff --git a/api-test/frontend/src/i18n/lang/en-US.js b/api-test/frontend/src/i18n/lang/en-US.js
index eca892be7c..18c055e3d8 100644
--- a/api-test/frontend/src/i18n/lang/en-US.js
+++ b/api-test/frontend/src/i18n/lang/en-US.js
@@ -130,6 +130,10 @@ const message = {
   automation: {
     project_no_permission: 'The current person does not have the operation permission for this step',
     document_validity_msg: 'The file has been modified, please re-upload',
+    scenario_step_ref_message:
+      'The current number of selection requests [{0}] may cause page loading exceptions, whether to continue?',
+    case_message: 'Please select a case',
+    scenario_message: 'Please select a scene',
   },
 };
 export default {
diff --git a/api-test/frontend/src/i18n/lang/zh-CN.js b/api-test/frontend/src/i18n/lang/zh-CN.js
index ef770fc4cd..518c46f1f2 100644
--- a/api-test/frontend/src/i18n/lang/zh-CN.js
+++ b/api-test/frontend/src/i18n/lang/zh-CN.js
@@ -126,6 +126,9 @@ const message = {
   automation: {
     project_no_permission: '当前操作人无此步骤的操作权限',
     document_validity_msg: '文件已经被修改，请重新上传',
+    scenario_step_ref_message: '当前选择请求数 [{0}] 个可能导致页面加载异常，是否继续',
+    case_message: '请选择案例',
+    scenario_message: '请选择场景',
   },
 };
 
diff --git a/api-test/frontend/src/i18n/lang/zh-TW.js b/api-test/frontend/src/i18n/lang/zh-TW.js
index f1c1b7feae..42d25727d8 100644
--- a/api-test/frontend/src/i18n/lang/zh-TW.js
+++ b/api-test/frontend/src/i18n/lang/zh-TW.js
@@ -126,6 +126,9 @@ const message = {
   automation: {
     project_no_permission: '當前人操作無此步驟的操作權限',
     document_validity_msg: '文件已經被修改，請重新上傳',
+    scenario_step_ref_message: '當前選擇請求數 [{0}] 个可能導致頁面加載異常，是否繼續',
+    case_message: '請選擇案例',
+    scenario_message: '請選擇場景',
   },
 };