1. In damp or rainy weather, the environment has high humidity, and the cool air is easy to liquefy into dew and adhere around the door seal. You can observe and use after drying it.
2. At the same time, it is recommended to check whether the door seal is not tight and cause cool air leakage. It is recommended to use a hair dryer to blow the door seal evenly with hot air until it is soft and close the door for observation.