📅  最后修改于: 2022-03-11 14:53:52.205000             🧑  作者: Mango
You should pass an array of user IDs to the attach() method.
For convenience, attach and detach also accept arrays of IDs as input
Change your code to:
$team = \App\Team::findOrFail($request->team_id);
$team->teamMembers()->attach($request->members_id);