带有swiftyJSON错误的JSON

Question

我正在尝试使用SwiftyJSON从我的api中获取数据，但我从服务器收到此错误：

  

{＆＃34;消息＆＃34;：＆＃34;发生了错误。＆＃34;}

我想处理它，但是当我想请求json时，我在这部分中遇到错误 我希望当服务器响应此结果时我什么都不做

 func parsing(){

        var URLString = server + "api/XXXXXX" + String(nextpage) + "&pagesize=10"
        print(URLString)


       guard let
        URLString1 = URLString.stringByAddingPercentEscapesUsingEncoding(NSUTF8StringEncoding)
         else {fatalError()}

        let url = NSURL(string: URLString1)!
        let task = NSURLSession.sharedSession().dataTaskWithURL(url)  {(data, response, innerError) in
             if let data = data where innerError == nil {
            let jsonData1 = NSData(contentsOfURL: url) as NSData!
            let readableJson = JSON(data: jsonData1, options: NSJSONReadingOptions.MutableContainers, error: nil)


            dispatch_async(dispatch_get_main_queue(), { () -> Void in
                self.nrows = readableJson.count

                for  var i = 0 ; i < self.nrows ; i++ {

                    var json = readableJson[i]
                    let desc = json["Name"].string as String!
                    let iddesc = json["Id"].intValue//.string as String!
                    let groupName = json["Group_Name"].string as String!
                    let price1 = json["Price"].string as String!
                }
            }
          }
        }

        task.resume()
    }