diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index 04a07e9a8..e71fd5e29 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -18,28 +18,28 @@ class HomeworkCommonController < ApplicationController
   end
 
   def new
-    @homework_type = "1"
-
-    @homework = HomeworkCommon.new
-    @homework.safe_attributes = params[:homework_common]
-    @homework.late_penalty = 0
-    @homework.end_time = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
-    @homework.publish_time = Time.now.strftime('%Y-%m-%d')
-
-    if @homework_type == "1"
-      #匿评作业相关属性
-      @homework_detail_manual = HomeworkDetailManual.new
-      @homework_detail_manual.ta_proportion = 0.6
-      @homework_detail_manual.absence_penalty = 0
-      @homework_detail_manual.evaluation_num = 3
-      @homework_detail_manual.evaluation_start = Time.now.strftime('%Y-%m-%d')
-      @homework_detail_manual.evaluation_end = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
-      @homework.homework_detail_manual = @homework_detail_manual
-    elsif @homework_type == "2"
-      #编程作业相关属性
-      @homework_detail_programing = HomeworkDetailPrograming.new
-      @homework.homework_detail_programing = @homework_detail_programing
-    end
+    # @homework_type = "1"
+    #
+    # @homework = HomeworkCommon.new
+    # @homework.safe_attributes = params[:homework_common]
+    # @homework.late_penalty = 0
+    # @homework.end_time = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
+    # @homework.publish_time = Time.now.strftime('%Y-%m-%d')
+    #
+    # if @homework_type == "1"
+    #   #匿评作业相关属性
+    #   @homework_detail_manual = HomeworkDetailManual.new
+    #   @homework_detail_manual.ta_proportion = 0.6
+    #   @homework_detail_manual.absence_penalty = 0
+    #   @homework_detail_manual.evaluation_num = 3
+    #   @homework_detail_manual.evaluation_start = Time.now.strftime('%Y-%m-%d')
+    #   @homework_detail_manual.evaluation_end = (Time.now  + 3600 * 24).strftime('%Y-%m-%d')
+    #   @homework.homework_detail_manual = @homework_detail_manual
+    # elsif @homework_type == "2"
+    #   #编程作业相关属性
+    #   @homework_detail_programing = HomeworkDetailPrograming.new
+    #   @homework.homework_detail_programing = @homework_detail_programing
+    # end
     respond_to do |format|
       format.html
     end
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index b335e1830..f5fa007a5 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -484,7 +484,18 @@ update
     if params[:repository_id].present?
       @repository = @project.repositories.find_by_identifier_param(params[:repository_id])
     else
-      @repository = @project.repository
+      # 多版本库，如果一个版本库为空则去下一个
+      rep_count = @project.repositories.count
+      if @project.repository.nil?
+        for i in 0..rep_count
+          unless @project.repositories[i].nil?
+            @repository = @project.repositories[i]
+            break
+          end
+        end
+      else
+        @repository = @project.repository
+      end
     end
     (render_404; return false) unless @repository
     @path = params[:path].is_a?(Array) ? params[:path].join('/') : params[:path].to_s
diff --git a/app/models/homework_test.rb b/app/models/homework_test.rb
index 7c477bfaf..4ed290ecd 100644
--- a/app/models/homework_test.rb
+++ b/app/models/homework_test.rb
@@ -2,5 +2,5 @@ class HomeworkTest < ActiveRecord::Base
   attr_accessible :input, :output, :homework_common_id
 
   belongs_to :homework_common
-  has_one :student_work_test
+  has_many :student_work_test
 end
diff --git a/app/views/student_work/_programing_work_show.html.erb b/app/views/student_work/_programing_work_show.html.erb
index eab8313bc..9b5035a04 100644
--- a/app/views/student_work/_programing_work_show.html.erb
+++ b/app/views/student_work/_programing_work_show.html.erb
@@ -47,8 +47,9 @@
               <td  class="td_tit">
                 <%= test.output%>
               </td>
-              <td class="td_50 c_red"><%= test.student_work_test.nil? ? "正在编译" : test.student_work_test.status_to_s%></td>
-              <input type="hidden" value="<%= test.student_work_test.result if test.student_work_test%>">
+              <% student_work_test = StudentWorkTest.where(:homework_test_id => test.id,:student_work_id => @work.id).first%>
+              <td class="td_50 c_red"><%= student_work_test.nil? ? "正在编译" : student_work_test.status_to_s%></td>
+              <input type="hidden" value="<%= student_work_test.result if student_work_test%>">
             </tr>
         <% end%>
 
diff --git a/db/migrate/20150722015428_add_errormsg_to_studen_work_test.rb b/db/migrate/20150722015428_add_errormsg_to_studen_work_test.rb
index e3f0611db..dc973e142 100644
--- a/db/migrate/20150722015428_add_errormsg_to_studen_work_test.rb
+++ b/db/migrate/20150722015428_add_errormsg_to_studen_work_test.rb
@@ -4,6 +4,6 @@ class AddErrormsgToStudenWorkTest < ActiveRecord::Migration
   end
 
   def down
-    remove_column :student_work_tests,:error_msg,
+    remove_column :student_work_tests,:error_msg
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index 243079ed8..fb0f17ff3 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 => 20150719092427) do
+ActiveRecord::Schema.define(:version => 20150722015428) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",                                  :null => false
@@ -1248,6 +1248,7 @@ ActiveRecord::Schema.define(:version => 20150719092427) do
     t.integer  "result"
     t.datetime "created_at",       :null => false
     t.datetime "updated_at",       :null => false
+    t.text     "error_msg"
   end
 
   create_table "student_works", :force => true do |t|