Why can't I update the travel records of health links on WeChat?

Network delay. After inquiring about WeChat official website, I learned that the update of healthy travel could not come out because of the network delay. Wechat is a free application launched by Tencent on 201110, which provides instant messaging service for intelligent terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.