First of all, dry yeast should not be mixed with milk, milk should be put first, then noodles should be put, and finally dry yeast should be sprinkled on the noodles before mixing. You can also put a little sugar, which is beneficial to yeast reproduction and accelerate fermentation. When using the fermentation function of the machine program, if it doesn't work once, you can continue to do it again, pay attention to it, and get it out immediately after it is started, without sticking to the time of the program.