Is it valid to say resignation on WeChat?

Invalid. If you want to resign to the unit, you must submit your resignation letter to the company in writing one month in advance, and then work for a full month. During this month, you must clearly hand over the work in hand, so that the company's human resources department also has I have time to go through the resignation procedures for you, stop your insurance, and submit your resignation letter one month in advance. The company has no reason to deduct your salary, so don't casually say you are quitting on WeChat, as it is invalid. Doing so does not respect the company, and the company will not respect you either