For this, just search the name of the contact in the WeChat address book and send a WeChat to the other party, and you can recover.
1. Open the mobile phone WeChat and click the address book.
2. In the address book, click the search icon.
3. In the search box, enter the name of your friend WeChat and click Enter.
4. In the chat box, enter a message and click Send.
In this way, the WeChat chat window is displayed on the WeChat message interface.