diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 7d1ff6426..e6e0ec087 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -596,12 +596,13 @@ class AdminController < ApplicationController
   #代码测试列表
   def code_work_tests
     #求出所有条数
-    tCount = StudentWorkTest.find_by_sql("select count(*) from code_tests").first['count(*)']
+    tCount = CodeTests.count()
 
     #设置个空的数组 以便paginateHelper来分页
     @code_work_tests = []
-    @code_work_tests[tCount-1] = {}
-
+    if tCount >= 1
+      @code_work_tests[tCount-1] = {}
+    end
     @code_work_tests = paginateHelper @code_work_tests,30
     @page = (params['page'] || 1).to_i - 1
 
@@ -615,7 +616,8 @@ class AdminController < ApplicationController
       if is_test[test['student_work_id']] != nil
           test['is_test'] = is_test[test['student_work_id']]
       else
-          test['is_test'] = CodeTests.find_by_sql("select is_test from student_works where id = #{test['student_work_id']}").first['is_test']
+          test['is_test'] = StudentWork.find(test['student_work_id']).is_test
+          #test['is_test'] = CodeTests.find_by_sql("select is_test from student_works where id = #{test['student_work_id']}").first['is_test']
           is_test[test['student_work_id']] = test['is_test']
       end
     end
diff --git a/app/views/admin/code_work_tests.html.erb b/app/views/admin/code_work_tests.html.erb
index 385f97169..cb113f1e6 100644
--- a/app/views/admin/code_work_tests.html.erb
+++ b/app/views/admin/code_work_tests.html.erb
@@ -40,7 +40,7 @@
                 <%=link_to(test['homework_id'], student_work_index_path(:homework => test['homework_id']))%>
               </td>
               <td style="text-align: center; " title='<%=test['student_work_id']%>'>
-                <% if test['is_test'] == 0 %>
+                <% if !test['is_test'] %>
                     <%=link_to(test['student_work_id'], student_work_index_path(:homework => test['homework_id'],:student_work_id=>test['student_work_id']))%>
                 <% else %>
                     <%=link_to(test['student_work_id'], new_user_commit_homework_users_path(homework_id: test['homework_id'], is_test: true))%>
diff --git a/db/migrate/20160418074429_delete_other_works.rb b/db/migrate/20160418074429_delete_other_works.rb
new file mode 100644
index 000000000..54944a6ec
--- /dev/null
+++ b/db/migrate/20160418074429_delete_other_works.rb
@@ -0,0 +1,11 @@
+class DeleteOtherWorks < ActiveRecord::Migration
+  def up
+    works = StudentWork.where("homework_common_id = 3253 and user_id = 10740 and final_score = 0")
+    unless works.empty?
+      works.destroy_all
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index b64e61e50..14753784a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,6 +11,10 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
+
+
+
+ActiveRecord::Schema.define(:version => 20160405021915) do
 ActiveRecord::Schema.define(:version => 20160419074016) do
 
   create_table "activities", :force => true do |t|
@@ -1532,6 +1536,18 @@ ActiveRecord::Schema.define(:version => 20160419074016) do
     t.string   "topic_resource"
   end
 
+  create_table "rep_statics", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "commits_num"
+    t.string   "uname"
+    t.string   "email"
+    t.integer  "add"
+    t.integer  "del"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.integer  "changeset"
+  end
+
   create_table "repositories", :force => true do |t|
     t.integer "project_id",                  :default => 0,     :null => false
     t.string  "url",                         :default => "",    :null => false
@@ -1698,8 +1714,8 @@ ActiveRecord::Schema.define(:version => 20160419074016) do
     t.integer  "absence_penalty",                               :default => 0
     t.float    "system_score",                                  :default => 0.0
     t.boolean  "is_test",                                       :default => false
-    t.integer  "simi_id",                                       :default => 0
-    t.integer  "simi_value",                                    :default => 0
+    t.integer  "simi_id"
+    t.integer  "simi_value"
   end
 
   add_index "student_works", ["homework_common_id", "user_id"], :name => "index_student_works_on_homework_common_id_and_user_id"
@@ -1932,6 +1948,25 @@ ActiveRecord::Schema.define(:version => 20160419074016) do
   add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
   add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
 
+  create_table "user_wechats", :force => true do |t|
+    t.integer  "subscribe"
+    t.string   "openid"
+    t.string   "nickname"
+    t.integer  "sex"
+    t.string   "language"
+    t.string   "city"
+    t.string   "province"
+    t.string   "country"
+    t.string   "headimgurl"
+    t.string   "subscribe_time"
+    t.string   "unionid"
+    t.string   "remark"
+    t.integer  "groupid"
+    t.integer  "user_id"
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
   create_table "users", :force => true do |t|
     t.string   "login",                           :default => "",    :null => false
     t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
@@ -2008,6 +2043,14 @@ ActiveRecord::Schema.define(:version => 20160419074016) do
     t.datetime "updated_at",  :null => false
   end
 
+  create_table "wechat_logs", :force => true do |t|
+    t.string   "openid",       :null => false
+    t.text     "request_raw"
+    t.text     "response_raw"
+    t.text     "session_raw"
+    t.datetime "created_at",   :null => false
+  end
+
   create_table "wiki_content_versions", :force => true do |t|
     t.integer  "wiki_content_id",                                       :null => false
     t.integer  "page_id",                                               :null => false