You can cancel Doudian on your mobile phone, the steps are as follows:

1. Open Douyin, click Me, click the three horizontal icons in the upper right corner2. Settings, Account and Security, Douyin Security Center3. Click Cancel Account, check I have read and agreed to the "Douyin Cancellation Notice", click Next4. Check I have read and agreed to the "Douyin Cancellation Notice" again, confirm the cancellation. After applying to close the store, the system will prompt you to fill in the store exit contact information, click "Next" after filling in. You can click to modify the store exit contact information and modify it again later.