diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 47c8fc68c..e73243b94 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -162,7 +162,7 @@ class ChallengesController < ApplicationController
     #@pass_games_map = @shixun.challenges.joins(:games).where(games: {status:2}).group(:challenge_id).reorder(nil).count
     #@play_games_map = @shixun.challenges.joins(:games).where(games: {status:[0,1]}).group(:challenge_id).reorder(nil).count
 
-    @challenges = @shixun.challenges.joins(join_sql).select(base_columns)
+    @challenges = @shixun.challenges.joins(join_sql).select(base_columns).uniq
 
     #@challenges = @shixun.challenges.fields_for_list
     @editable = @shixun.status == 0 # before_action：有判断权限，如果没发布，则肯定是管理人员
diff --git a/app/controllers/myshixuns_controller.rb b/app/controllers/myshixuns_controller.rb
index 29a9a9730..e816ab667 100644
--- a/app/controllers/myshixuns_controller.rb
+++ b/app/controllers/myshixuns_controller.rb
@@ -22,23 +22,17 @@ class MyshixunsController < ApplicationController
       tip_exception("403", "")
     end
     begin
+      @shixun = Shixun.select(:id, :identifier, :challenges_count).find(@myshixun.shixun_id)
       ActiveRecord::Base.transaction do
-        begin
-          @shixun = Shixun.select(:id, :identifier, :challenges_count).find(@myshixun.shixun_id)
           @myshixun.destroy!
-          StudentWork.where(:myshixun_id => @myshixun.id).update_all(myshixun_id: 0, work_status: 0, work_score: nil,
-                                                                     final_score: nil, efficiency: 0, eff_score: 0, calculation_time: nil, cost_time: 0, compelete_status: 0)
-        rescue Exception => e
-          logger.error("######reset_my_game_failed:#{e.message}")
-          raise("ActiveRecord::RecordInvalid")
-        end
+
+          StudentWork.where(:myshixun_id => @myshixun.id)
+              .update_all(myshixun_id: 0, work_status: 0, work_score: nil,
+                          final_score: nil, efficiency: 0, eff_score: 0, calculation_time: nil, cost_time: 0, compelete_status: 0)
       end
       # 删除版本库
       GitService.delete_repository(repo_path: @repo_path) unless @shixun.is_choice_type?
     rescue Exception => e
-      if e.message != "ActiveRecord::RecordInvalid"
-        logger.error("######delete_repository_error-:#{e.message}")
-      end
       raise "delete_repository_error:#{e.message}"
     end
   end
diff --git a/app/models/challenge.rb b/app/models/challenge.rb
index 31a683760..42d7f3499 100644
--- a/app/models/challenge.rb
+++ b/app/models/challenge.rb
@@ -143,7 +143,7 @@ class Challenge < ApplicationRecord
   # 关卡用户通关数
   def user_passed_count
     #games.map{|g| g.status == 2}.count
-    self.games.where(status: 1).count
+    self.games.where(status: 2).count
   end
 
   # 关卡用户正在挑战的人数
diff --git a/app/models/game.rb b/app/models/game.rb
index 144dbced2..d0d59c0e3 100644
--- a/app/models/game.rb
+++ b/app/models/game.rb
@@ -7,6 +7,7 @@
 class Game < ApplicationRecord
   default_scope { order("games.created_at desc") }
 
+  #TODO: games表要增加challenge_id与user_id的唯一索引
   has_many :outputs, -> { order('query_index DESC') }
   has_many :challenge_samples, :dependent => :destroy
   has_many :game_codes, :dependent => :destroy
diff --git a/lib/tasks/schools.rake b/lib/tasks/schools.rake
new file mode 100644
index 000000000..a788d57d1
--- /dev/null
+++ b/lib/tasks/schools.rake
@@ -0,0 +1,28 @@
+#coding=utf-8
+
+desc "合并高校的数据,第一个参数是： 正确高校的id, 第二个参数是： 错误高校需要合并到正确高校的id"
+# 命令： bundle exec rake schools:merge_school_data f_school=1 s_school=2,3
+namespace :schools do
+  task merge_school_data: :environment do
+    f_school = ENV['f_school'].to_i
+    school = School.find_by(id: f_school)
+    return if school.blank?
+
+    s_school = ENV['s_school'].split(",")
+    merge_schools = School.where(id: s_school)
+
+    # 改变用户的学校id 和 单位
+    UserExtension.where(school_id: merge_schools)
+        .update_all(school_id: f_school, department_id: nil)
+
+    # 改变课堂的学校id
+    Course.where(school_id: merge_schools).update_all(school_id: f_school)
+
+    # 实训报告表迁移数据
+    s_report = SchoolReport.find_by(school_id: f_school)
+    SchoolReport.where(school_id: merge_schools).each do |sr|
+      s_report.update_column(:shixun_evaluate_count, (s_report.shixun_evaluate_count+sr.shixun_evaluate_count))
+      sr.update(shixun_evaluate_count: 0)
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/tasks/video_transcode.rake b/lib/tasks/video_transcode.rake
index 995f9a82f..4fb7c17bd 100644
--- a/lib/tasks/video_transcode.rake
+++ b/lib/tasks/video_transcode.rake
@@ -2,13 +2,18 @@
 namespace :video_transcode do
   desc "视频转码成h264"
   task :submit => :environment do
-    Video.find_each do |v|
-      if v.uuid && !v.transcoded && !v.file_url.include?('.mp4') && !AliyunVod::Service.get_meta_code_info(v.uuid)[:codecnamne].start_with?("h264", "h265")
-        p "--- Start submit video trans code #{v.uuid}"
-        AliyunVod::Service.submit_transcode_job(v.uuid, 'a0277c5c0c7458458e171b0cee6ebf5e')
-      else
+    i = []
+    Video.where.not(uuid: nil, file_url: nil).where(transcoded: false, status: "published").find_each do |v|
+      code_info = AliyunVod::Service.get_meta_code_info(v.uuid)
+      if v.file_url.include?('.mp4') && code_info[:codecnamne]&.include?("h264")
         v.update(transcoded: true)
+      else
+        puts("uuid: #{v.uuid}")
+        i << "#{v.id}, #{v.file_url}, #{code_info[:codecnamne]}"
+        AliyunVod::Service.submit_transcode_job(v.uuid, 'a0277c5c0c7458458e171b0cee6ebf5e')
       end
     end
+    puts "###########转码个数:#{i.size}"
+    puts "###########id,file_url, codecnamne:#{i}"
   end
 end
\ No newline at end of file