回复需要点击两次才能显示的问题

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150820025358) do
+ActiveRecord::Schema.define(:version => 20150820004659) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -1404,15 +1404,6 @@ ActiveRecord::Schema.define(:version => 20150820025358) do
     t.integer "fields_bits",                 :default => 0
   end
 
-  create_table "user_activities", :force => true do |t|
-    t.string   "act_type"
-    t.integer  "act_id"
-    t.string   "container_type"
-    t.integer  "container_id"
-    t.datetime "created_at",     :null => false
-    t.datetime "updated_at",     :null => false
-  end
-
   create_table "user_extensions", :force => true do |t|
     t.integer  "user_id",                            :null => false
     t.date     "birthday"
@@ -1525,6 +1516,7 @@ ActiveRecord::Schema.define(:version => 20150820025358) do
     t.string   "identity_url"
     t.string   "mail_notification",               :default => "",    :null => false
     t.string   "salt",              :limit => 64
+    t.integer  "gid"
   end
 
   add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"

public/assets/kindeditor/kindeditor.js

@@ -5157,7 +5157,7 @@ KEditor.prototype = {
 					}
 				});
 			} else {
-				statusbar.last().css('visibility', 'hidden');
+				if(statusbar.last()) {statusbar.last().css('visibility', 'hidden');}
 			}
 		}
 		return self;