Login and do it by previlige：
1、 Administrator
Administrator: Import Device, Create Dealer, View Shared Stations, User Centers, Help
2、 End User
End user: Create Station, Exporer parameters of station, Help.
3、 First Level Dealer
First Level Dealer: Scan shared stations, create distribute, compelte information and so on.
4、 Second Level Dealer
Second Level Distribute: Scan shared stations, compelte information and so on.
