問(wèn)題原因：刪除講師信息沒(méi)有處理，前端提交返回沒(méi)有彈出提示
修改文件：application\wap\model\user\UserExtract
方法: userMerExtract();
$merchant = MerchantModel::where(['uid' => $userInfo['uid']])->where('is_del', 0)->find();提示問(wèn)題修改
$h.pushMsg(err);
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