It may be a system compatibility issue.

Generally speaking, the crash should be caused by a problem with the APP itself, which may be caused by system incompatibility. You can try using a mobile phone with another system.

If the crash still occurs, it is a problem with the app itself. Developers need to pay attention to whether the mobile phone system has been upgraded to the latest version, or the version number of the enterprise signature app is too old, or it may be due to system incompatibility. Cause crash phenomenon.