What if the mobile watch app doesn't have a whitelist function?

Settings. The setup steps are as follows. According to the query results of Xiaomi community data.

1. Click on mine in the lower right corner of the main interface of children's watches.

2. Then in my room, find and click Watch Management.

3. In the watch management, find the SMS white list at the bottom.

4. Check the call white list, and there will be corresponding prompts. Click OK.