Bad network WeChat is a cross-platform communication tool. If the network is not good, it will lead to the phenomenon that personalized signatures are not signed in Caton. If you need to change the network, you can sign it again. Wechat is a free application launched by Tencent on 2011121,which provides instant messaging service for intelligent terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.