People are in Shanghai. Why is Tik Tok ip still in Chongqing?

People in Shanghai are Tik Tok ip, but they are still in Chongqing. The version currently used by this user is too low. According to the public information inquired, the ip address of Tik Tok does not match the actual address. This problem may be due to the low version currently used by users, which leads to the inconsistency between the address displayed on the page and the actual address.