diff --git a/src/App.vue b/src/App.vue
index 27966445d1669c7c07de880ba932b7d1c50353a2..f71e55468d782ddaaf37f88ab6507209a35c6875 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,8 +1,12 @@
 <script setup>
 import {watchEffect,shallowReadonly,readonly,ref,reactive,shallowRef,computed} from 'vue'
 const count = ref(0)
-watchEffect(()=>{
+watchEffect((onCleanup)=>{
     console.log(count.value)
+    onCleanup(()=>{
+        console.log('onCleanuponCleanup')
+        return
+    })
 })
 </script>