Add a new student
1. Click to add.
Add a new order
1. If from a new student, need to need to add student first.
2. Add Order.
Book a room (No package bought)
1.Book room.
2. Select 普通租客 from the teacher's list.
3. Enter phone number and name in 租客資料.
Add teacher availability(monthly)
1. Add Teacher availability
Add admin availability(monthly)
1. Add Admin availability