fix competition enroll bug

app/controllers/competition_teams_controller.rb

@@ -153,7 +153,7 @@ class CompetitionTeamsController < ApplicationController
 
         # 新增加的成员
         ids = new_member_ids - team_member_ids
-        raise @message unless check_member_enroll_limited?(@competition, ids) # 有成员已经加入其他战队，并且只能一次报名
+        raise @message unless check_member_enroll_limited?(@competition, ids - [@team.user_id]) # 有成员已经加入其他战队，并且只能一次报名; 减去创建者
 
         ids.each do |user_id|
           next if user_id.to_i == @team.user_id
@@ -170,7 +170,7 @@ class CompetitionTeamsController < ApplicationController
 
       # 新增加的老师
       ids = new_teacher_ids - teacher_ids
-      raise @message unless check_teacher_enroll_limited?(@competition, ids) # 有老师已经加入其他战队，并且只能一次报名
+      raise @message unless check_teacher_enroll_limited?(@competition, ids - [@team.user_id]) # 有老师已经加入其他战队，并且只能一次报名；减去创建者
 
       ids.each do |user_id|
         next if user_id.to_i == @team.user_id