1. Open the mobile phone WeChat and log in to your personal account.

2. Click the Search icon at the top of Discovery.

3. Search the Finance Department of Yellow River Institute of Science and Technology, and click Enter.

4. Click "Binding Query" below.

5. Click on "Micro Signal Binding Account"

6. Click on WeChat official account to unbind.

7. Click "Unbind" to successfully unbind the official account of WeChat from the finance department of Yellow River Institute of Science and Technology.