即时通讯 iOS 报错 9001

[Lprisonbreak]

调用 openWithCallback 报错
Error Domain=com.LeanCloud.ErrorDomain Code=9001 "Application did enter background, connection lost." UserInfo={NSLocalizedFailureReason=Application did enter background, connection lost.}

[Lprisonbreak]

[pzheng]

这是正常的，请参见文档说明