和你的问题一致 通过国外Apple论坛解决了 步骤如下
1.Go to "System Preferences" on your Mac.
2.Click on "Apple ID" (iCloud) and select "iCloud" from the left sidebar.
3.Uncheck the box next to "Notes" to disable Notes syncing with iCloud.
4.Quit the "Notes" app if it's currently running.
5.Open Finder and press Command + Shift + G to bring up the "Go to Folder" window.
6.Enter the following path and press Enter: ~/Library/Containers/com.apple.Notes
7.Create a temporary backup folder inside your Downloads, then backup contents (From previous step) in it.
8.Delete all files and folders inside the "com.apple.Notes" folder.
9.Go back to the "Go to Folder" window and enter the following path: ~/Library/Group Containers/group.com.apple.notes
10.Create a temporary backup folder inside your Downloads, then backup contents (From previous step) in it.
11.Delete all files and folders inside the "group.com.apple.notes" folder.
12.Go back to "System Preferences" and click on "Apple ID" (iCloud).
13.Check the box next to "Notes" to enable Notes syncing with iCloud again. Your notes should start syncing with iCloud once more.