Which subway line should I take from Tianlong Hotel to Peking University?

Bus lines: Metro Line 15 → Metro Line 5 → Metro Line 10 → Metro Line 4 Daxing Line, the total distance is about 39.6 kilometers

1. Walk from Tianlong Hotel for about 790 meters to Houshayu Station

2. Take Metro Line 15 and go through 9 stations to Datun Road East Station

3. Walk about 370 meters and transfer to the subway Line 5

4. Take Metro Line 5, go through 2 stops, and arrive at Huixin West Street South Station

5. Take Metro Line 10, go through 8 stops, and arrive at Haidian Huangzhuang Station

6. Take Metro Line 4, Daxing Line, and after 3 stops, arrive at Yuanmingyuan Station

7. Walk about 1.6 kilometers to Peking University