使用了ios 1.8.6.1版本SDK后，分享成功后点击返回App无反应
--- add log 10000 2019-11-28 15:05:54.114394+0800 -- success send log ( 10000 ) Can't end BackgroundTask: no background task exists with identifier 2 (0x2), or it may have already been ended. Break in UIApplicationEndBackgroundTaskError() to debug. 微信分享之后点击返回App无反应
