Ganghui Plaza itself has many floors, and you can spend a long time shopping there. There is also Yonghua Cinema City where you can watch movies and kill time.
If you really want to go shopping, there are several other shopping malls, including Metro City, Oriental Mall, Liubai, and Huijin, all together.
Going further south is the Xujiahui Library and Xujiahui Cathedral, which are also recommended to visit.
Including the Shanghai Stadium (Shanghai Grand Stage, Ten Thousand Sports Center), and Shanghai Stadium a little further away. Stadium (80,000 people stadium).
Jiaotong University is indeed right behind Ganghui, very close, and the guards usually don’t stop and check.
You can also go to Xujiahui Park and the Hengshan Road area a little further away. The side streets also have more Shanghai characteristics. Mace is afraid of harming Ban Xun