优化字典工具获取字典的取值

src/common/dict.js

@@ -9,7 +9,9 @@ const $dict = {
     this.url = config?.url || this.url
   },
   dicts() {
-    return uni.getStorageSync('dicts') || [];
+    let dicts = uni.getStorageSync('dicts')
+    typeof dicts == "string" ? (dicts = JSON.parse(dicts)) : dicts
+    return dicts || [];
   },
   load(...code) {
     return this.instance && this.instance.post(this.url, null, {