the loss of your notes may be due to the following three problems:
(1) Synchronization reason
This happens on the mobile side, and you can resynchronize your notes on the mobile side, and you will be able to view them on the other side when the synchronization succeeds.
(2) The wrong account number
① logged in to another account.
Desktop version: You can see your notes in the upper left corner of the account is not your previous login account.
iphone: You can click on the top right icon under the Youdao cloud notebook iphone to see if the account is your previous account.
Android: You can click "More" at the top of the note screen to see if the account is your previous account in the account information.
② Log in different ways
At present there is a cloud notes a total of 4 ways to sign in:
NetEase Pass directly login.
Sina microblog account login.
QQ Account Login.
Tencent Weibo account login.
You need to make sure that each login is in the same way, for example, the last time you are using Sina Weibo account login, this time also need to click on Sina Weibo account login, otherwise, even if your Sina Weibo account number is your NetEase pass account number, also can not correctly log into the same note account.
(3) Accidental deletion or other reasons
You can go to the web version of the http://note.youdao.com/Recycle Bin to see if you have any notes.