The display problem of Scapple in different resolutions

HI,I have both 1080P(1920X1080P) and 4K(3840x2160) monitors, I’m going to edit and save it on a 1080P monitor, On a 4K monitor, Inconsistent document content display, Content location and size are different. Hoping to work it out.

Supplementary picture description:
You can see that the text shape and the background shape are not the same width.