Default sprite shader alpha problem

[TraneWon959]

My sprite doesn’t look right after given a material, I wanted to achieve a addtive like effect.
here’s what it looks like now! I’m a new user and unfortunately I can only post one image. The source image has smooth alpha gradient.screenshot-20241218-160021|437x273

I’m using cocos creator 3.8.3

[TraneWon959]

Here’s the source image

[TraneWon959]

here’s what the problem looks like, it looks like a buffer problem?

[TraneWon959]

Here’s my blend properties