Hello, the main admin or a sub-admin who has authority for contacts can add/remove supervisors:
1. Mobile app: [Contacts] - [Organization] - [Department] - [Edit] - [Edit] - [Department Settings] - [Admins]-select a staff as supervisor;
2. Desktop client: login Admin Panel (oa.dingtalk.com) - [Contacts] - select the corresponding department - click [Modify] - add [Manager];
3. The department supervisor must in the department, and the supervisor can set more than one;
4. After the supervisors of each department are set up, the system will judge the level of the supervisor according to the relationship of the organization structure.