(1) Desktop version
① first, you need to clear the cache (including cookies and caches) of the default browser on your computer. (because each browser clears the cache in a different way, you can search your browser for specific ways to clear the cache or erase all browsing data.) Only two types of browser are cleared < Left is IE browser, the right is chrome >)
② you can reset your IE browser (pictured), once again login Youdao cloud notes can be.
(2) Mobile version
You can switch between the following 2 networks for a try.
① Mobile phone carrier network (for example, Unicom, mobile)
②wifi
If you are currently using a mobile phone carrier network login, you can switch to WiFi to try;
If you are using WiFi you can switch to the carrier network/other WiFi network attempt.
If none of the above solves your problem, please send an e-mail to ynotefankui@163.com to describe your questions and procedures in detail, and our staff will contact you for detailed answers.