Hello, DingTalk re-login or change the phone login, will not lead to the exit of the enterprise. If you do not see the previous enterprise after logging in again, it is recommended to check whether the registered mobile phone number is correct. If the number is correct, you can contact the administrator to check the way of exiting the enterprise in the background, and you can rejoin the enterprise.

Administrators can log in to the admin panel (oa.dingtalk.com)-[Data]- Join/Leave Statistics details to view the reason for leaving.