1. Slice sausage and chop ginger and garlic for later use.
2. Put oil in the pot, add ginger, garlic and dried peppers and stir fry.
3. Add the sausage, stir fry and roll it up.
4. Add gray vegetables and white vinegar to the fire.
5. When it is a little soft, mix with salt and turn off the heat.
Note: People who eat gray vegetables are poisoned by exposure to sunlight at work or play after eating gray vegetables. Acute dermatitis occurred at the exposed site, while the skin and mucosa in other parts remained unchanged.