What does Hu Jiayuan want to do when he goes back to Xi 'an?

48 hours of nucleic acid testing. Xi 'an, referred to as "Gao", was called Chang 'an and Haojing in ancient times. It is a prefecture-level city under the jurisdiction of Shaanxi Province, the capital and sub-provincial city of Shaanxi Province. As of September 26th, 2022, it will take 48 hours for Hu Jiayuan to return to Xi 'an with his nucleic acid certificate and health code. Hujiayuan is located in the upper reaches of Qianjin River in the west of Shanyang County, and the town government is located in Hujiayuan Village, 40 kilometers away from the county seat.