How to do if Mi Electric Scooter handlebar shaking?

Solution:
If you feel the handlebar shaking very much during cycling, you can use the M5 hexagon wrench to lock the two screws in the folding mechanism. Operation diagram is as follows:
If there is still shaking in accordance with the above operation, fold the car and use the M5 hexagon wrench to lock the screws inside the folding mechanism clockwise. Operation diagram is as follows: