Hello, you can fill in the team name when you just registered DingTalk, so that the system can recommend the relevant team to let you apply.

Or you can go to DingTalk mobile app: click herecheck out the teams you might know and then apply to join.
If the team name information is incorrect when registering, it will not support to modify, it will not affect the joining of the correct team. It is recommended to contact the actual team administrator to directly add you to enter.
Guess you want to learn more about:

How to add employees for enterprise?