What bus to go Putuoshan from Shanghai? Should we go to Shenjiamen first? Please give directions

Both buses from Nanpu Bridge and the South Bus Stations will reach Shenjiamen first and from Banshengdong Dock of Shenjiamen, you need to take the ferry for Putuoshan.
The buses from South Bus Station are from 07:00 to 19:10 with interval around 40 minutes.
The buses from Nanpu Bridge are from 07:00 to 17:00 with interval around one hour.