May 21, 2021 WeChat Mini Program Development Document
In addition to the principles mentioned above, it is recommended that weChat access to small programs should always pay attention to the unity and continuity between different pages, in different pages as far as possible to use consistent controls and interaction.
A unified page experience and a continuing interface element will help you achieve your usage goals with minimal learning costs and reduce the discomfort caused by page beats. Because of this, the small program can use the standard controls provided by WeChat as needed, in order to achieve the goal of unity and stability.