1. First find the WeChat app in your mobile phone and click Open.
2. Then click the Address Book button at the bottom of the interface that appears.
3. Then enter the interface to find the official WeChat account button at the top, and click Open.
4. Then find SF Express in the interface that appears, and click Open.
5. Then find the courier at the bottom of the interface that appears, and click Open.
6. Find the courier that needs to be queried in the interface that appears, and there is a courier fee on the right.