Hello, the last bus of No.6 leaves at 23:00 at night, and it takes about 40 to 1 hour to get to Chaoyang Square, so sometimes you can take the last bus of No.6 at 12. 4 1 departs at 00:00, which is the latest in Nanning. It takes about half an hour to get to Chaoyang Square, so you have a chance to take the last bus of 4 1 before/30 am.