How many days will I be quarantined in Lu County, Luzhou after returning from Shigatse, Tibet?

After returning from Shigatse, Tibet, I was quarantined in Lu County, Luzhou for 7 days. Since there are cases of the new coronavirus epidemic all over the country, if you return to Luzhou County from Shigatse, Tibet, according to local epidemic prevention requirements, you need to be quarantined in an isolation place for seven days. The daily nucleic acid test must be negative. You can be free after the seven days of quarantine. Therefore, seven days of isolation is the longest time for epidemic prevention and control in Luzhou.