摘要：
网络请求出现报错：Domain=NSCocoaErrorDomain Code=3840 "Garbage at end." 出现的问题是后台返回了两次json数据！ 阅读全文
摘要：
1.This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause 阅读全文