diff --git a/asg_form/Controllers/InviteReferee.cs b/asg_form/Controllers/InviteReferee.cs
index ac5e357..4d77afc 100644
--- a/asg_form/Controllers/InviteReferee.cs
+++ b/asg_form/Controllers/InviteReferee.cs
@@ -64,12 +64,12 @@ namespace asg_form.Controllers
                         user_id = msg.invitedId,
                         my_request = new List<(int, int)>()
                     };
-                    invitationRecord.my_request.Add((invitor_id: userId, match_id: msg.matchId));
+                    invitationRecord.my_request.Add((invitor_id: (int)userId, match_id: msg.matchId));
 
                     await sb.SaveChangesAsync();
                     var data = new
                     {
-                        invitedId = userId,
+                        invitedId = (int)userId,
                         matchId = msg.matchId,
                     };
                     return Ok(new { code = 200, message = "邀请成功", data });