At about 9:00 on March 14, The Paper (www.thepaper.cn) noticed that netizens from Wuhan, Hubei, Beijing, Zhengzhou, Henan and other places posted on Weibo that "the itinerary code has collapsed."

Many netizens posted pictures saying that their "communication itinerary card" could not be displayed, and the query results showed that the signature key was incorrect, or the current network was unstable.

Many netizens said that travel and work were affected as a result.

  At 10:20, the surging journalists opened Alipay's "communication itinerary card", and after entering the mobile phone number and verification code, the pop-up window displayed "the current network is unstable, and the query results are relatively slow. You can send a text message to the operator for inquiries."

  The surging news reporter then called the hotline 12345 for citizens of Anhui Province where they are located. The staff said, "The itinerary code cannot be displayed, it may be that the operator's server has crashed. The itinerary code is managed by operators such as Mobile and is not within the jurisdiction."

  On the morning of the 14th, a staff member of China Mobile told The Paper, "The issue of the itinerary code crash is being dealt with urgently, and no notification has been received yet when it returns to normal." The staff member said that if there is an emergency, a text message can be sent directly. CXMYD to 10086 for query.

  The official customer service of China Unicom told The Paper that due to the impact of the epidemic, the number of inquiries about itinerary cards has increased sharply today. In order to ensure the smooth operation of the system, front-end applications have taken current limiting measures. The current limiting is being optimized and restored. You can query the itinerary by sending text messages.

  At about 11 o'clock, The Paper tried to open the itinerary code through Alipay again, and the display of the "communication itinerary card" returned to normal.

  The Paper learned that the itinerary code was launched in February 2020. The full name is "communication big data itinerary card". The location of the base station where the mobile phone is located is a free inquiry service provided for the 1.6 billion mobile phone users nationwide.

  Intern Hu Yuanyuan, surging news reporter Yu Yan