How to solve the Huawei mobile itinerary code server error

Just change the network refresh.

The itinerary card was launched to the public by the China Academy of Information and Communications Technology and three basic telecommunications companies organized by the Ministry of Industry and Information Technology. It supports one-click query of domestic cities (staying for more than 4 hours) and overseas visits within 14 days. Inquiries are initiated by users. You can use mobile software (WeChat, Alipay, etc.) to scan the QR code to access the inquiry page, or search for "Communication Itinerary Card" in the WeChat applet to enter the applet. Enter your mobile phone number and click to obtain the verification code. After successful verification, click Query , the query results can be returned.

Because the WeChat itinerary card service uses base station data, in order to ensure continuous communication and achieve coverage without blind spots, the base station signals of the two places at the junction of administrative divisions may cross-cover, causing abnormalities in data query on mobile phones. , and if you stay in a city for less than 4 hours, it will not be recorded.