Hi, the best route is as following:
Hotel--Lingyin Temple--Jingci Temple(West Lake)--Hefang Street (Snack Street)--Wushan Square--Night Market

Transport:
From Hotel, take Bus K307 to Huanglongdong Station (黄龙洞) Station and then transfer to Bus K807 and then alight at Lingyin Station (灵隐), from Lingyin Temple, take Bus Y1(游1) to Changqiao Station (长桥) and then walk to Jingci Temple, From Jingci Temple, take Bus Y6 or Y7 (游6 or 游7) to Qingbomen (清波门) and then walk to Hefangjie. From Hefangjie, take Bus 808 to Wushan Square. From Wushan Square to the night market, you can take Bus 35 or 814.