diff --git a/api-test/frontend/src/business/definition/ApiDefinition.vue b/api-test/frontend/src/business/definition/ApiDefinition.vue
index a80a8bd757..78ff489449 100644
--- a/api-test/frontend/src/business/definition/ApiDefinition.vue
+++ b/api-test/frontend/src/business/definition/ApiDefinition.vue
@@ -748,7 +748,9 @@ export default {
       this.apiDefaultTab = activeName
       this.apiTabs = tabs.filter(tab => tab.name !== targetName);
       this.$refs.mainTabs.$children = [];
-      this.$refs.apiDefList[0].refreshTable();
+      if (this.$refs.apiDefList[0]) {
+        this.$refs.apiDefList[0].refreshTable();
+      }
     },
     //创建左侧树的根目录模块
     createRootModel() {