diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 918c1b8b9..f48633a53 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -364,7 +364,9 @@ class HomeworkCommonController < ApplicationController
       client.request(request)
     end
     result = JSON.parse(res.body)
-    @result = result[:result][0][:status]
+    result[:results].each do |re|
+      @result = re[:status]
+    end
   end
 
   private
diff --git a/db/schema.rb b/db/schema.rb
index 3791eb248..29aeb1f16 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150730093403) do
+ActiveRecord::Schema.define(:version => 20150730130816) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",                                  :null => false
@@ -635,6 +635,7 @@ ActiveRecord::Schema.define(:version => 20150730093403) do
     t.datetime "created_at",                        :null => false
     t.datetime "updated_at",                        :null => false
     t.integer  "result",             :default => 0
+    t.text     "error_msg"
   end
 
   create_table "homework_users", :force => true do |t|