Diagram.makeImageData({scale: 1}) not export entire image

GoJS
1

The exported image only shows part of the content.

This is the exported picture:

image
image2000×2000 439 KB

This is the whole diagram:

截屏2020-09-14 下午3.58.30
截屏2020-09-14 下午3.58.301454×1406 114 KB

2

maxSize: new Size(Infinity, Infinity)