If you changed company, we recommend you to quit the original company's DingTalk team, and then let the new company administrator invite you to the new team.
1. DingTalk mobile phone client-[Contacts]-Click on the organization/ team/enterprise you want to exit-[My Organization]-[Quite Organization];
2, DingTalk desktop client - [Contact] - click on the organization / team / enterprise you want to exit - Select by hierarchy - click on the top right corner [Quite organization (arrow icon)];