diff --git a/frontend/src/business/components/track/case/components/TestCaseRelateApiList.vue b/frontend/src/business/components/track/case/components/TestCaseRelateApiList.vue
index 85679c782d..f3a44f3cba 100644
--- a/frontend/src/business/components/track/case/components/TestCaseRelateApiList.vue
+++ b/frontend/src/business/components/track/case/components/TestCaseRelateApiList.vue
@@ -72,6 +72,7 @@ import TableSelectCountBar from "@/business/components/api/automation/scenario/a
 import {TEST_CASE_RELEVANCE_API_CASE_CONFIGS} from "@/business/components/common/components/search/search-components";
 import MsTableAdvSearchBar from "@/business/components/common/components/search/MsTableAdvSearchBar";
 import MsTag from "@/business/components/common/components/MsTag";
+import {getCurrentProjectID} from "@/common/js/utils";
 
 export default {
   name: "TestCaseRelateApiList",
@@ -142,6 +143,9 @@ export default {
       } else if (this.projectId != null) {
         this.condition.projectId = this.projectId;
       }
+      if (this.condition.projectId === '') {
+        this.condition.projectId = getCurrentProjectID();
+      }
       if (this.currentProtocol != null) {
         this.condition.protocol = this.currentProtocol;
       }