diff --git a/api-test/backend/src/main/java/io/metersphere/service/MockConfigService.java b/api-test/backend/src/main/java/io/metersphere/service/MockConfigService.java
index bb78c0170d..da855718b9 100644
--- a/api-test/backend/src/main/java/io/metersphere/service/MockConfigService.java
+++ b/api-test/backend/src/main/java/io/metersphere/service/MockConfigService.java
@@ -137,6 +137,8 @@ public class MockConfigService {
         }
         if (request.getApiId() != null) {
             criteria.andApiIdEqualTo(request.getApiId());
+        } else {
+            return new MockConfigResponse(null, new ArrayList<>());
         }
         if (request.getProjectId() != null) {
             criteria.andProjectIdEqualTo(request.getProjectId());