fix: useLocalforrage setItem error

Author: zuofenghua

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ahooks-vue",
-  "version": "0.12.5",
+  "version": "0.12.8",
   "description": "ahooks-vue",
   "types": "dist/src/index.d.ts",
   "repository": "https://github.com/dewfall123/ahooks-vue.git",
@@ -69,8 +69,8 @@
     "screenfull": "^5.1.0",
     "ts-jest": "^25.2.1",
     "typescript": "^4.1.5",
-    "vitepress-for-component": "^0.15.1",
-    "vue": "^3.0.1",
+    "vitepress-for-component": "^0.16.8",
+    "vue": "^3.2.29",
     "whatwg-fetch": "^3.5.0"
   },
   "homepage": "https://dewfall123.github.io/ahooks-vue/",

src/useLocalforage/index.ts

@@ -31,7 +31,7 @@ export async function useLocalforage<T = any>(
   }
 
   function setState() {
-    localStorage.setItem(key, JSON.stringify(state.value));
+    localforage.setItem(key, state.value);
   }
 
   watch(