The steps to cancel the donation from Korea are as follows:

1. Open WeChat and click "I" in the lower right corner.

2. Enter the "Wallet" page.

3. Click "Tencent Public Welfare".

4. Enter the "Personal Center" page.

5. Find the monthly donation items to be cancelled among the monthly donations I support.

6. Click the "Cancel Monthly Donation" button to confirm the operation.

It will take effect immediately after cancellation and will not be automatically renewed next month.