errMsg:request:fail request unknow host error

errMsg:request:fail request connect error

errMsg:request:fail interrupted

errMsg:request:fail 似乎已断开与互联网的连接

errMsg:request:fail socket time out

errMsg:request:fail Read error: ssl=0xc1325bc8: I/O error during system call, Software caused connection abort 

errMsg:request:fail 未能连接到服务器。

errMsg:request:fail 未能找到使用指定主机名的服务器 

errMsg:request:fail 请求超时

ios、安卓都遇到过，微信版本7.0.7的也遇到过