diff --git a/db/migrate/20190521005354_add_shixun_members_for_shixuns.rb b/db/migrate/20190521005354_add_shixun_members_for_shixuns.rb
index facdb16a..d55610ba 100644
--- a/db/migrate/20190521005354_add_shixun_members_for_shixuns.rb
+++ b/db/migrate/20190521005354_add_shixun_members_for_shixuns.rb
@@ -2,54 +2,54 @@
 class AddShixunMembersForShixuns < ActiveRecord::Migration
   def up
     ActiveRecord::Base.transaction do
-      begin
-        # 添加实训合作的用户
-        mail = ["358551898@qq.com", "a358551898@163.com"]   #修改这里
-        user_ids = User.where(mail: mail).pluck(:id)
-        if mail.count != user_ids.count
-          raise("添加的用户人数与平台不一致，请检查邮箱")
-        end
-         # identifiers = ["yzi73hov", "rtl4hfjm", "7brio4fn", "ljqz2xft", "jps8tzi7", "su3j58cm", "k6842ose", "nvzi5xbo",
-         #                "j9aq3lbi", "3xovlgp5", "z6ve4afx", "93porv58", "e8surftc", "eirw5n2m", "pnvbt2aj", "t2mi45rf",
-         #                "gflejmqb", "fsaz9pu8", "3siy4fca", "jzpycn4f", "nlebmku2", "npbso5fc", "96wxjrob", "s2gxjuet",
-         #                "3o5qyha4", "bt2ipsmv", "9fls43hx", "yxcs79vp", "59gi4cvy", "oj3wrmty", "wpsc7nli", "fiyvtqp8",
-         #                "2wuo9ykb", "45uqw3se", "ugrq4p83", "vkgn8cfy", "avgffhtb"]
-        shixuns = Shixun.includes(challenges: [:test_sets, :challenge_tags]).where("shixuns.name like '%期末%'")
-        shixuns.each do |shixun|
-          if shixun.shixun_members.blank?
-            ShixunMember.create!(user_id: shixun.user_id, shixun_id: shixun.id, role: 1)
-          end
-          user_ids.each do |user_id|
-            unless shixun.shixun_members.pluck(:user_id).include?(user_id)
-              ShixunMember.create!(user_id: user_id, shixun_id: shixun.id, role: 2)
-            end
-          end
-          把测试集设置成按均分比例
-          shixun.challenges.update_all(test_set_score: true)
-          shixun.challenges.each do |challenge|
-            all_score = 0
-            set_count = challenge.test_sets.count
-            raise("测试集的个数不能为0") if set_count == 0
-            score = (100 / set_count).to_i
-            challenge.test_sets.each_with_index do |test_set, index|
-              # 如果是最后一个测试集，则把剩下的分数全给你它
-              if index+1 == set_count
-                score = 100 - all_score
-              end
-              test_set.update_column(:score, score)
-              all_score += score
-            end
-            # 增加标签
-            unless challenge.challenge_tags.pluck(:name).include?("2019上半年C语言期末考试题库")
-              ChallengeTag.create!(name: "2019上半年C语言期末考试题库", challenge_id: challenge.id)
-            end
-          end
-        end
-
-      rescue Exception => e
-        puts "#########error_message: ##{e.message}"
-        raise ActiveRecord::Rollback
-      end
+      # begin
+      #   # 添加实训合作的用户
+      #   mail = ["358551898@qq.com", "a358551898@163.com"]   #修改这里
+      #   user_ids = User.where(mail: mail).pluck(:id)
+      #   if mail.count != user_ids.count
+      #     raise("添加的用户人数与平台不一致，请检查邮箱")
+      #   end
+      #    # identifiers = ["yzi73hov", "rtl4hfjm", "7brio4fn", "ljqz2xft", "jps8tzi7", "su3j58cm", "k6842ose", "nvzi5xbo",
+      #    #                "j9aq3lbi", "3xovlgp5", "z6ve4afx", "93porv58", "e8surftc", "eirw5n2m", "pnvbt2aj", "t2mi45rf",
+      #    #                "gflejmqb", "fsaz9pu8", "3siy4fca", "jzpycn4f", "nlebmku2", "npbso5fc", "96wxjrob", "s2gxjuet",
+      #    #                "3o5qyha4", "bt2ipsmv", "9fls43hx", "yxcs79vp", "59gi4cvy", "oj3wrmty", "wpsc7nli", "fiyvtqp8",
+      #    #                "2wuo9ykb", "45uqw3se", "ugrq4p83", "vkgn8cfy", "avgffhtb"]
+      #   shixuns = Shixun.includes(challenges: [:test_sets, :challenge_tags]).where("shixuns.name like '%期末%'")
+      #   shixuns.each do |shixun|
+      #     if shixun.shixun_members.blank?
+      #       ShixunMember.create!(user_id: shixun.user_id, shixun_id: shixun.id, role: 1)
+      #     end
+      #     user_ids.each do |user_id|
+      #       unless shixun.shixun_members.pluck(:user_id).include?(user_id)
+      #         ShixunMember.create!(user_id: user_id, shixun_id: shixun.id, role: 2)
+      #       end
+      #     end
+      #     #把测试集设置成按均分比例
+      #     shixun.challenges.update_all(test_set_score: true)
+      #     shixun.challenges.each do |challenge|
+      #       all_score = 0
+      #       set_count = challenge.test_sets.count
+      #       raise("测试集的个数不能为0") if set_count == 0
+      #       score = (100 / set_count).to_i
+      #       challenge.test_sets.each_with_index do |test_set, index|
+      #         # 如果是最后一个测试集，则把剩下的分数全给你它
+      #         if index+1 == set_count
+      #           score = 100 - all_score
+      #         end
+      #         test_set.update_column(:score, score)
+      #         all_score += score
+      #       end
+      #       # 增加标签
+      #       unless challenge.challenge_tags.pluck(:name).include?("2019上半年C语言期末考试题库")
+      #         ChallengeTag.create!(name: "2019上半年C语言期末考试题库", challenge_id: challenge.id)
+      #       end
+      #     end
+      #   end
+      #
+      # rescue Exception => e
+      #   puts "#########error_message: ##{e.message}"
+      #   raise ActiveRecord::Rollback
+      # end
     end
   end