错误处理

@@ -269,7 +269,14 @@ const userController = {
      * @param res
      */
     wechatUserCallback(req, res, next) {
-        let wechatUserInfo = JSON.parse(req.query.wechatUserInfo);
+        let wechatUserInfo;
+
+        try {
+            wechatUserInfo = JSON.parse(req.query.wechatUserInfo);
+        } catch (err) {
+            wechatUserInfo = {};
+        }
+
 
         console.log('wechatUserCallBack:', wechatUserInfo);
         let user_name = '',
@@ -277,7 +284,7 @@ const userController = {
             union_id = '';
 
 
-        if (wechatUserInfo) {
+        if (wechatUserInfo && wechatUserInfo.nickname) {
             user_name = wechatUserInfo.nickname;
             head_img = wechatUserInfo.headimgurl;
             union_id = wechatUserInfo.unionid || wechatUserInfo.openid;