According to your description, please log in to China (Anhui) Telecom Online Business Hall Home > Self-service > Business Handling, as follows:
1, log in to the netroom.
2. Click on the merchant.
3. Click to view the processed business.
4. Find the business that needs to be unsubscribed, and click unsubscribe.
Thank you for your concern and support for telecom products, and wish you a happy life!