Electric vehicle

An electric vehicle, comprising:

• a handlebar and an electric vehicle state indicator lamp, wherein
• the electric vehicle state indicator lamp is located on the handlebar of the electric vehicle or on an upper portion of a handlebar stem of the electric vehicle, and the electric vehicle state indicator lamp is configured to indicate different vehicle states of the electric vehicle by using different display manners of the electric vehicle state indicator lamp, wherein the electric vehicle further comprises:
• a processing module;
• the processing module is respectively connected to the electric vehicle state indicator lamp and a sound production apparatus;
• and the processing module is configured to control, after the determination of a vehicle state of the electric vehicle, at least one of the following state information of the electric vehicle:
• a display manner of the electric vehicle state indicator lamp of the electric vehicle, and a prompt tone made by the electric vehicle, wherein the processing module is further configured to receive, when the vehicle state indicates that the electric vehicle is in a faulty state and the mobile terminal is connected to the electric vehicle via the Bluetooth, receive a fault type of the electric vehicle and a solution corresponding to the fault type which are sent after the mobile terminal tests the electric vehicle.