State Code

Return code

Code	State
-2	database connection error
0	ok
1	name has benn used
2	username and password missmatch
3	parameter empty
10	token invalid
11	permission deny
20	join or exit channel fail

Channel

Channel State Code	State
0	UNSUBSCRIBE
1	CREATER
2	SUBSCRIBE

Channel Action Code	State
0	join channel
1	exit channel

Reminder

Reminder State Code	State
0	public reminder (publish by channel)
1	private reminder (personal reminder)

Reminder State Code	State
0	undo
1	completed

Reminder Priority Code	State
0	low
1	med
2	high