Introduction - If you have any usage issues, please Google them yourself
Corrected version, a can register (first sign, the system automatically registered)
II. Strengthening the back-office functions
1. Only the administrator can leave a message to the top of the lock message, delete messages
2. Add the personnel management function, you can set user rights (ordinary and super pipe), remove people, change passwords, and other functions
3. The ordinary person can upload photos, delete photos