What should I do if the Xiaomi Watch S3 screen cannot light up?

If the watch screen is turned off, raising your wrist to turn on the screen, or pressing the power button/shortcut key fails to turn on the screen, please try the following:
1. It is because the watch has insufficient power. Please connect the charging base to check whether the power is sufficient;
2. Please press and hold the power button for 12 seconds to force restart the watch. After restarting, please check the version of your watch and upgrade your watch to the latest version.