Why has no one answered the consultation phone of Jinjiang District CDC in Chengdu?

Check whether the telephone line is normal and unattended. Why hasn't anyone answered the consultation telephone of Jinjiang District CDC in Chengdu to check whether the wire line is normal? Is anyone on duty? Jinjiang District, which belongs to Chengdu, Sichuan Province, is one of the old five districts in Chengdu. Located in the southeast of downtown Chengdu, it is connected with Qingyang District in the northwest, adjacent to Jinjiang and Fuhe River in the west and chenghua district in the east.