diff --git a/api-test/backend/src/main/java/io/metersphere/api/dto/definition/SaveApiTestCaseRequest.java b/api-test/backend/src/main/java/io/metersphere/api/dto/definition/SaveApiTestCaseRequest.java
index e0fcca5384..87f248b689 100644
--- a/api-test/backend/src/main/java/io/metersphere/api/dto/definition/SaveApiTestCaseRequest.java
+++ b/api-test/backend/src/main/java/io/metersphere/api/dto/definition/SaveApiTestCaseRequest.java
@@ -24,4 +24,7 @@ public class SaveApiTestCaseRequest extends ApiTestCase {
     private List<String> follows;
 
     private String versionId;
+
+    //复制用例时的源ID。主要用于复制本地文件等操作。
+    private String sourceIdByCopy;
 }
diff --git a/api-test/backend/src/main/java/io/metersphere/service/definition/ApiTestCaseService.java b/api-test/backend/src/main/java/io/metersphere/service/definition/ApiTestCaseService.java
index 6c8dcddb7c..0563e4c77c 100644
--- a/api-test/backend/src/main/java/io/metersphere/service/definition/ApiTestCaseService.java
+++ b/api-test/backend/src/main/java/io/metersphere/service/definition/ApiTestCaseService.java
@@ -438,7 +438,12 @@ public class ApiTestCaseService {
         checkNameExist(request);
         ApiFileUtil.createBodyFiles(request.getId(), bodyFiles);
         request.setRequest(tcpApiParamService.parseMsTestElement(request.getRequest()));
-        ApiFileUtil.copyBdyFile(request.getApiDefinitionId(), request.getId());
+        if (StringUtils.isNotBlank(request.getSourceIdByCopy())) {
+            ApiFileUtil.copyBdyFile(request.getSourceIdByCopy(), request.getId());
+        } else {
+            ApiFileUtil.copyBdyFile(request.getApiDefinitionId(), request.getId());
+        }
+
 
         final ApiTestCaseWithBLOBs test = new ApiTestCaseWithBLOBs();
         test.setId(request.getId());
diff --git a/api-test/frontend/src/business/definition/components/ApiConfig.vue b/api-test/frontend/src/business/definition/components/ApiConfig.vue
index f3ca8162ed..59c4355e75 100644
--- a/api-test/frontend/src/business/definition/components/ApiConfig.vue
+++ b/api-test/frontend/src/business/definition/components/ApiConfig.vue
@@ -403,7 +403,6 @@ export default {
         data.request.protocol = this.currentProtocol;
       }
       if (data.isCopy) {
-        data.sourceId = data.id;
         data.id = getUUID();
         data.request.id = data.id;
       } else {
diff --git a/api-test/frontend/src/business/definition/components/list/ApiCaseSimpleList.vue b/api-test/frontend/src/business/definition/components/list/ApiCaseSimpleList.vue
index 4ad639b980..2de4fd59c5 100644
--- a/api-test/frontend/src/business/definition/components/list/ApiCaseSimpleList.vue
+++ b/api-test/frontend/src/business/definition/components/list/ApiCaseSimpleList.vue
@@ -992,7 +992,7 @@ export default {
       getDefinitionById(row.apiDefinitionId).then((response) => {
         let api = response.data;
         if (api) {
-          this.getCaseAndOpen(row.id, api.name, row.apiDefinitionId);
+          this.getCaseAndOpen(row.id, api.name, row.apiDefinitionId, true);
         }
       });
     },
@@ -1004,7 +1004,7 @@ export default {
         }
       });
     },
-    getCaseAndOpen(id, apiName, apiId) {
+    getCaseAndOpen(id, apiName, apiId, isCopyCase) {
       getCaseById(id).then((response) => {
         let data = response.data;
         let uuid = getUUID();
@@ -1030,6 +1030,9 @@ export default {
           url: apiCaseRequest.path,
           uuid: uuid,
         };
+        if (isCopyCase) {
+          obj.sourceIdByCopy = id;
+        }
         this.$refs.caseList.copy(obj);
       });
     },
diff --git a/api-test/frontend/src/business/definition/components/list/ApiList.vue b/api-test/frontend/src/business/definition/components/list/ApiList.vue
index cbd4dc8750..50413e6186 100644
--- a/api-test/frontend/src/business/definition/components/list/ApiList.vue
+++ b/api-test/frontend/src/business/definition/components/list/ApiList.vue
@@ -879,6 +879,7 @@ export default {
     handleCopy(row) {
       let obj = JSON.parse(JSON.stringify(row));
       obj.isCopy = true;
+      obj.sourceId = row.id;
       delete obj.id;
       this.$emit('copyApi', obj);
     },