1. The batter is very thin

Undercooked

This is all from experience. What about adding glue? It's bullshit. Pastry is hand-made, paying attention to temperature technology! Even to the point of secrecy, do you see the authentic handmade noodles? 99.9% of the products on the market are mechanical, and the process has been basically lost. I wonder if there will be handmade noodles in a few years! ! !