How to wrap jiaozi?

I don't know what kind of stuffing you are making. If you use vegetables as meat stuffing, you can first scald the vegetables with boiling water, and then cool the scalded vegetables with tap water to prevent them from turning yellow. Take it out, chop it up and squeeze out the water by hand! (This part is the most important), the squeezed vegetables can be used as stuffing, so that what you said will not happen in jiaozi. When you have a bag, you should pinch it.