What is best public transport option for going to Beijing Fragrant Hill from Dongdan?

Take subway line 1 from Dongdan Station to Xidan Station and transfer to line 4 to Beigongmen Station, Exit A. It takes around 45 mins. And the ticket fare is CNY 5 per person.
Then take public bus no.563 to the East Gate of Fragrant Hill. Afterwards, walk west around 520 yards (470 meters) to find the scenic area.