This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. This will cause an exception in a future release.
最近在做支付方面的东西,但是其中一种微信支付集成后一直提示这个错误,打断点会断在1MBProgressHUD.h这个库的.m第一段话,一脸蒙蔽。