How to solve the problem that the wind speed of the Xiaomi Smart Standing Air Circulation Fan suddenly becomes weaker?

If the wind speed of the Xiaomi Smart Standing Air Circulation Fan suddenly becomes weaker, please refer to the following steps:
1. Check whether the Natural Breeze mode is turned on in the Mi Home/Xiaomi Home APP;
2. Check if the power cord is loose suddenly, plug it in again;
3. Check whether the Timer mode is set;
4. Check whether anyone else is controlling the device on the Mi Home/Xiaomi Home APP;
5. Check whether the power adapter input meets the requirements;
6. Clean the device regularly, especially the area around the motor and the air circulation part to avoid dust accumulation that may reduce the efficiency of the device;
7. If the problem still exists, please apply for after-sales inspection.