1. Open the WeChat app and log in to your account.

2. In the bottom navigation bar, click the My option to enter the personal homepage.

3. In the personal homepage, click the settings icon in the upper right corner to enter the settings page.

4. In the settings page, select the payment and security option.

5. On the payment and security page, find the contracted project or similar options.

6. Click to enter the list of contracted projects and find the project you want to cancel.

7. According to the specific options and interface prompts, choose to terminate or cancel the contract.