bug？？

[speedyGaoxuan]

I have a problem using
I operate it like this:
1. long press ctrl
2. keep releasing and pressing d quickly
(I set the shortcut key to clear the handwriting is ctrl+D)
3. Quickly click the left mouse button
4. move the mouse
（do these 4 at the same time)
So I encountered the following error

(I am from China and these sentences are translated by the computer)