Such problems are either caused by software such as signature functions or controls, or compatibility problems with the system, or conflicts with other apps in the current mobile phone system. It is more direct to find the developer of oa software.

-OA office software, e-government OA automation system, recommended inspection: Haiyun Zhongteng OA intelligent office platform, java development, stable architecture, safety and stability, rich components and simple application. There is a demonstration platform, which can be fully functional and open for trial.