No health code was found in the Beijing-Tianjin-Hebei interconnection card.

It may be a network quality problem. The cities supported by Tianjin-Hebei Interconnection Card have covered: Beijing, Tianjin, Hebei and other cities. Public transport services have also been added to support Nanjing, Zhengzhou, Qingdao, Kunming, Luoyang and Guiyang 190 cities. Beijing-Tianjin-Hebei Interconnection Card is an interconnection card issued by Beijing Traffic Card Co., Ltd., which supports the national interconnection standard of traffic card and can be used on bus and subway lines with the symbol of "Traffic Alliance" nationwide.