1, improve people's travel efficiency.
2. Record and store passengers' entry and exit in real time and effectively.
Jiangning Weaving Institute, also known as Nanjing Grand View Garden, is located in the Daxing Palace area in the center of Nanjing today. Emperor Kangxi of the Qing Dynasty went to Jiangnan six times and lived in Jiangning Weaving Institute four times. The place name Daxing Palace here is named after the two emperors Kangxi and Qianlong lived here. According to historical records, Cao Xueqin was born in Jiangning Weaving Institute in the 54th year of Kangxi in A.D. 17 15.