What to do if the Xiaomi Watch 2 can't be charged?

Please troubleshoot or check as follows:
1. It is recommended to use the officially provided charging head for charging;
2. Check if there are stains on the watch's and the charging cable's metal contact points. You can try wiping with a paper towel to ensure there is no contact issue between the watch and the charging cable;
3. Take the watch back from the charging dock, reinsert it, and try changing the socket;
If the above troubleshooting is ineffective, you can contact the local after-sales service center for inspection.