Modify the Telnet password
Ruijie (config) # line vty 0 4
Ruijie (config - line) # "password," password

Modify the enable password:
Ruijie (config) # the enable secret password

Modify the wireless SSD password:
Ruijie (config) # wlansec 1
Security RSN akm PSK set - key ASCII code
Security akm wpa PSK set - key ASCII code