diff --git a/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java b/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
index 07ad33383a..e6eee7d951 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiModuleService.java
@@ -1365,12 +1365,14 @@ public class ApiModuleService extends NodeTreeService<ApiModuleDTO> {
             int finalI = i;
             //在选择的模块下建模块，查看选择的模块下有没有同名的模块
             List<ApiModule> moduleList = pidChildrenMap.get(parentModule.getId());
-            List<ApiModule> collect1 = moduleList.stream().filter(t -> t.getName().equals(tagTree[finalI])).collect(Collectors.toList());
-            if (collect1.isEmpty()) {
-                return createModule(tagTree, i, parentModule, moduleMap, pidChildrenMap, idPathMap);
-            } else {
-                returnModule = collect1.get(0);
-                parentModule = collect1.get(0);
+            if (moduleList != null && !moduleList.isEmpty()) {
+                List<ApiModule> collect1 = moduleList.stream().filter(t -> t.getName().equals(tagTree[finalI])).collect(Collectors.toList());
+                if (collect1.isEmpty()) {
+                    return createModule(tagTree, i, parentModule, moduleMap, pidChildrenMap, idPathMap);
+                } else {
+                    returnModule = collect1.get(0);
+                    parentModule = collect1.get(0);
+                }
             }
         }
         return returnModule;