Legal analysis: This is like a bank. When maintaining the system, you don't need to swipe your card or something. Similarly, the social security data system should also be maintained. You can't query during maintenance.
legal basis: social insurance law of the people's Republic of China
article 2 the state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance and maternity insurance to protect citizens' right to get material help from the state and society in case of old age, illness, industrial injury, unemployment and maternity.
article 26 the treatment standards of basic medical insurance for employees, new rural cooperative medical care and basic medical insurance for urban residents shall be implemented in accordance with state regulations.
article 28 medical expenses that meet the basic medical insurance drug list, diagnosis and treatment items, medical service facilities standards, and emergency and rescue shall be paid from the basic medical insurance fund in accordance with state regulations.