Which subway should I take from Changsha High-speed Railway South Station to Vienna International Hotel Changsha Railway Institute?

Line 4. According to Baidu map, take subway No.4 from Changsha High-speed Railway South Station to Changsha Railway Institute of Vienna International Hotel, get on at Changsha South Station, take 7 stops of rail transit line 4 (direction of Guanziling), get off at Shazitang Station (exit 6), get on at Dong Tang South Station (First Affiliated Hospital of Provincial Hospital of Traditional Chinese Medicine) for 430m, get off at Railway Institute Station 15, and walk 360m to Changsha International Hotel.