报错修复

assets/script/mk/utils/StorageUtil.ts

@@ -10,12 +10,18 @@ export default class StorageUtil {
      * @param   decrypt     是否需要解密
      */
     public getStorage(key: string, decrypt = true): any {
-        if (cc.sys.localStorage.getItem(key)) {
-            if(decrypt){
+        let value = cc.sys.localStorage.getItem(key);
+        if (value) {
+            if (decrypt) {
 
             }
-            
-            return JSON.parse(cc.sys.localStorage.getItem(key));
+            try {
+                let new_value = JSON.parse(value)
+                return new_value;
+            }
+            catch (err) {
+                return value;
+            }
         }
         else {
             return null;