diff --git a/packages/common/component/LifeCycles.vue b/packages/common/component/LifeCycles.vue
index 7965f950fe..840fc2a076 100644
--- a/packages/common/component/LifeCycles.vue
+++ b/packages/common/component/LifeCycles.vue
@@ -227,7 +227,7 @@ export default {
     }
 
     onBeforeUnmount(() => {
-      state.completionProvider.forEach((provider) => {
+      state.completionProvider?.forEach?.((provider) => {
         provider.dispose()
       })
       // 终止 ESLint worker