Home isolation in Xinghualing District, Taiyuan City for 4 days has been notified to the store 1 day. Why?

There are new changes. Xinghualing District of Taiyuan City was isolated at home for 4 days, and was informed to go to Sa Dian 1 day due to new changes. Taiyuan, the capital of Shanxi Province, is called Jinyang in ancient times, also known as Longcheng, a national historical and cultural city, a national garden city, a core city of taiyuan metropolitan, and a political, economic, cultural, transportation and international exchange center of Shanxi Province. Taiyuan has a history of more than 4,700 years and a history of more than 2,500 years. It "controls mountains and rivers, which is the shoulder of the world" and "the key to four blockades, which controls the capital of Wuyuan".