WeChat itself does not provide the function of directly modifying message timestamps. WeChat message timestamps are generated based on the current time of the mobile phone system. Therefore, if you want to change the timestamp of WeChat messages, you need to change it first. The system time of the phone. WeChat is a cross-platform smartphone application launched by Tencent on January 21, 2011. It supports multiple smart operating systems, such as ios and android. WeChat was originally designed to provide a convenient instant messaging service. , users can quickly send text, pictures, videos and voice messages, all of which are free and only consume a small amount of network traffic.