diff --git a/src/views/monitor/topologyBuild/index.vue b/src/views/monitor/topologyBuild/index.vue
index b4046211..f56e83c1 100644
--- a/src/views/monitor/topologyBuild/index.vue
+++ b/src/views/monitor/topologyBuild/index.vue
@@ -52,7 +52,7 @@ function fnGraphDataGroups(reload: boolean = false) {
   getGraphGroups()
     .then(res => {
       if (res.code === RESULT_CODE_SUCCESS) {
-        graphState.groupOptions = res.data.map(str => {
+        graphState.groupOptions = res.data.map((str: string) => {
           return { label: str, value: str };
         });
         // 非重载