经常有用户上报播放错误的问题，统计了一下最多的错误是这些，搜索了一下也完全没有解决方案，已经严重影响用户体验了啊

playerErrCode:6, systemErrCode:18446744073709550611, domain:NSURLErrorDomain, description:网络连接已中断。

playerErrCode:6, systemErrCode:18446744073709550615, domain:NSURLErrorDomain, description:请求超时。

playerErrCode:3, systemErrCode:560557684, domain:ASCII OSStatus:!int, description:未能完成操作。（ASCII OSStatus:!int错误560557684。）

setBackgroundAudioState:fail: jsapi has no permission, event=setBackgroundAudioState, runningState=background, permissionMsg=permission ok, detail=jsapi permission required playing audio but current not playing audio in background state

errCode:55, err:unknow format

errCode:67, err:decode audio fail

playerErrCode:7, systemErrCode:2, domain:NSCocoaErrorDomain, description:未能完成操作。（Cocoa错误2。）

playerErrCode:6, systemErrCode:53, domain:NSPOSIXErrorDomain, description:未能完成该操作。软件导致连接中止

playerErrCode:3, systemErrCode:560557684, domain:ASCII OSStatus:!int, description:未能完成操作。（“ASCII OSStatus:!int”错误 560557684。）