Cuiwei Building is on Cuiwei Road. . I don't think it's Peony Garden Store.

Bus route: 77 → 374, the whole journey is about 9.9 kilometers.

1. Walk about 220 meters from the parking lot of Cuiwei Building and arrive at Cuiwei Road Station.

2. Take Bus No.77, pass 4 stops and arrive at Tianqiao Station of Beihang University.

3. Take bus No.374, pass 9 stops and arrive at Beijing Seismological Bureau Station.

4. Walk about 350 meters to Haidian Library.