The images become weird (wrong scale) since I upgraded my project to 2019.1.0f2

Please look at my screenshot:


The two images are exactly the same. But the selected one seems being stretched or compressed. This problem doesn’t occur in the Editor mode.
Why? It worked fine before the upgrade.

WTF, the image is neither stretched nor compressed. Just broken in pieces. Why? The two image objects share the same sprite.

I’ve solved this issue by replacing Image with RawImage. Damn, I think I have a headache now.