AFNetWorking 3.0 NSDataタイプのデータソリューションの返却を要求

if([responseObject isKindOfClass:[NSData class]]){
                //            json   ，     
                NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableLeaves error:nil];
                
                successBlockparams(dict);
            }
            else{
                
                successBlockparams(responseObject);
            }