diff --git a/src/pages/coc-card/hooks/useAutoSave.ts b/src/pages/coc-card/hooks/useAutoSave.ts
index 10369c0..249e4b7 100644
--- a/src/pages/coc-card/hooks/useAutoSave.ts
+++ b/src/pages/coc-card/hooks/useAutoSave.ts
@@ -15,7 +15,7 @@ export default function useAutoSave(pcRef: Ref<COCPlayerCharacter>) {
   const { timeAgo } = useZhTimeAgo(lastModified || Date.now());
 
   watch(
-    pcRef.value,
+    () => pcRef.value,
     () => {
       ls.setItem('autoSaved', {
         pc: pcRef.value,