Please tell me bus's schedule from Wudangshan to wuhan? thank you for your reply

Actually, no direct bus operates from Wudangshan to Wuhan. You need take a bus to Shiyan first. Many buses are in oepration.
Then you can go to Sanyan Bus Station to take a long-distance bus from Shiyan to Wuchang. The buses depart from 16:00 to 18:00, four buses in total.
Besides, there are trains from Wudangshan to Wuchang, near Wuhan, operating at 09:23, 12:46, 13:02 and 16:20.