Isn't there a rule for dining in the university cafeteria in Nanning?

What you want to ask is that the canteen of Guangxi University has no prescribed opening hours? No, according to official website of Guangxi University, the canteen of Guangxi University is open at 7:00- 10:30 in the morning, lunch at 0: 30-afternoon 1: 00, and dinner at 4:30-7:00 in the afternoon. Guangxi University, located in Nanning, the capital of Guangxi, is the only national 2 1 1 engineering construction school in Guangxi, a double-class construction university, which is jointly established by the Ministry of Education and the People's Government of Guangxi Zhuang Autonomous Region.