1. System Busy: The health insurance system is currently processing a large number of payment requests, resulting in longer processing times. This is due to many people making payments at the same time or an overloaded system.
2, network problems: the user's current network environment is poor, or network equipment failure, resulting in the health insurance payment system can not function properly.
3, system maintenance: the health insurance system is in the background maintenance or upgrading, temporarily unable to carry out the payment operation.