Add more yeast: Add the right amount of yeast powder to the original base, mix well and re-ferment.

Increase fermentation time: If the noodles didn't rise because the fermentation time is not enough, you can extend the fermentation time to let the noodles fully ferment.

Add warm water: Add the appropriate amount of warm water to the original base, mix well and re-ferment.

Add appropriate amount of sugar: Add appropriate amount of sugar to the original, mix well to promote fermentation.

Place in a warm place: Place the dough in a warm place, which can promote fermentation.