If you are the owner of the applet, you need to modify the applet information directly on the WeChat public platform. If it is an individual user, you need to contact the merchant to communicate.

1. Register applet platform.

2. After authentication, create a small program, and after setting the name, you will get appid and application key.

3. Download the WeChat applet developer tool, create a project, fill in the appid and project name, select the directory of applet source code, and click Open.

4. After opening, you can see the form of applet source code in the developer tool. After confirmation, click Upload to applet background.

5. After submission, the applet has a development version in the background. Click open, submit for review, and release after approval.

WeChat authorization binding, as well as the current WeChat real-name registration system, so many small programs and apps are directly logged in by WeChat, eliminating the real-name authentication fee.