diff --git a/app/views/users/_course_boardlist.html.erb b/app/views/users/_course_boardlist.html.erb
index 2d45c0b83..2a00d69bf 100644
--- a/app/views/users/_course_boardlist.html.erb
+++ b/app/views/users/_course_boardlist.html.erb
@@ -52,7 +52,7 @@
               <% else %>
                   <% count=activity.children.count%>
               <% end %>
-              <p class="list-info fr grayTxt"><span><%= count>0 ? "（#{count}）" : "" %></span><span>回复</span><span>|</span><span><%= get_praise_num(activity) > 0 ? "（#{get_praise_num(activity)}）" : "" %></span><span>赞</span></p>
+              <p class="list-info fr grayTxt"><span><%= count>0 ? "#{count}" : "0" %></span><span>回复</span><span>|</span><span><%= get_praise_num(activity) > 0 ? "#{get_praise_num(activity)}" : "0" %></span><span>赞</span></p>
             </div>
             <div class="cl"></div>
           </div>
diff --git a/db/schema.rb b/db/schema.rb
index 70fb756fb..ed3ff4b0b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -334,6 +334,17 @@ ActiveRecord::Schema.define(:version => 20160427075457) do
     t.boolean  "diff_all"
   end
 
+  create_table "code_tests", :force => true do |t|
+    t.integer  "homework_id"
+    t.integer  "wait_time",       :default => 0
+    t.integer  "language"
+    t.integer  "status"
+    t.integer  "time_used",       :default => 0
+    t.datetime "created_at",                     :null => false
+    t.datetime "updated_at",                     :null => false
+    t.integer  "student_work_id", :default => 0
+  end
+
   create_table "comments", :force => true do |t|
     t.string   "commented_type", :limit => 30, :default => "", :null => false
     t.integer  "commented_id",                 :default => 0,  :null => false
@@ -1680,6 +1691,7 @@ ActiveRecord::Schema.define(:version => 20160427075457) do
     t.integer  "status",          :default => 9
     t.text     "results"
     t.text     "src"
+    t.integer  "uwait_time",      :default => 0
   end
 
   create_table "student_works", :force => true do |t|
@@ -1698,8 +1710,8 @@ ActiveRecord::Schema.define(:version => 20160427075457) do
     t.integer  "absence_penalty",                               :default => 0
     t.float    "system_score",                                  :default => 0.0
     t.boolean  "is_test",                                       :default => false
-    t.integer  "simi_id"
-    t.integer  "simi_value"
+    t.integer  "simi_id",                                       :default => 0
+    t.integer  "simi_value",                                    :default => 0
     t.float    "work_score"
   end
 
@@ -1933,25 +1945,6 @@ ActiveRecord::Schema.define(:version => 20160427075457) 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
@@ -2028,14 +2021,6 @@ ActiveRecord::Schema.define(:version => 20160427075457) 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