The reason of big data protection downtime

Big Data Protection is turned off for the following reasons:

"Abnormal data" in 1. communication travel card is usually caused by server crash. It may be an anomaly caused by the increase in the number of visitors. When presenting the travel code, the communication big data travel card shows that the application service is abnormal and cannot be used.

2. If the travel card service is abnormal, you can also inquire by SMS, and send a short message CXMYD to the operator, to 1000 1 for telecom users, to 10086 for mobile users and to100 for Unicom users. After receiving the prompt, enter the last four digits of the owner's ID card for inquiry.