Transparent picture synthesis

[forget1]

Hello, I would like to ask, if the original picture is transparent, the effect after synthesis is rather strange, the effect is as follows My latest frame can cover the previous frame. How should I do this? I hope I can get an answer. Thank you.

[lingxiaoyi]

I have this problem too

[lingxiaoyi]

Is there a solution?

[ravenblackx]

Example of the bad handling of transparent source images (the source is a transparent wiggling thing, the end result loses the transparency and renders the layers wrong because of it)

Example source frames:

Result:

[jiangbeixinqujava]

I have this problem too

[liukexina]

I have this problem too

The background of the GIF image generated by the image with transparent background turns black