1. According to the query of the one-sided bean. Com, network problem: when paying taxes and social security, the network connection is unstable or the network speed is too slow, which leads to the request timeout. You can try to switch the network environment or try again with a stable network connection.

2. The system is busy: Tianjin tax social security payment system is undergoing maintenance or upgrade, which will lead to the system being busy and the request overtime. You can pay later.