diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index 48187bdc2..652025fc3 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -77,6 +77,7 @@ class HomeworkAttachController < ApplicationController
       if bid.homeworks.where("user_id = ?",User.current).count == 0
         user_id = params[:user_id]
         bid_id = params[:bid_id]
+        project_id = params[:new_form][:project_id]
         sta = 0
         name = params[:new_form][:name]
         description = params[:new_form][:description]
@@ -85,7 +86,8 @@ class HomeworkAttachController < ApplicationController
             :state => sta,
             :name => name,
             :description => description,
-            :bid_id => bid_id
+            :bid_id => bid_id,
+            :project_id => project_id
         }
 
 
diff --git a/app/models/homework_attach.rb b/app/models/homework_attach.rb
index e60d4230b..99d540bd1 100644
--- a/app/models/homework_attach.rb
+++ b/app/models/homework_attach.rb
@@ -9,6 +9,7 @@ class HomeworkAttach < ActiveRecord::Base
   has_many :homework_users, :dependent => :destroy
   has_many :users, :through => :homework_users
   seems_rateable :allow_update => true, :dimensions => :quality
+  belongs_to :project
   
   safe_attributes "bid_id",
 				  "user_id"
@@ -30,7 +31,7 @@ class HomeworkAttach < ActiveRecord::Base
     result
   end
 
-  def project
+  def project_for_homework
     work = HomeworkForCourse.find_by_bid_id(self.bid_id)
     if work
         work.project
diff --git a/app/models/project.rb b/app/models/project.rb
index b8e11d99e..ee9f7b2f7 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -30,6 +30,7 @@ class Project < ActiveRecord::Base
 
   # Specific overidden Activities
 
+  belongs_to :homework_attach
   has_many :time_entry_activities
   has_many :members, :include => [:principal, :roles], :conditions => "#{Principal.table_name}.type='User' AND #{Principal.table_name}.status=#{Principal::STATUS_ACTIVE}"
   has_many :memberships, :class_name => 'Member'
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index e5e3e0057..bfcf1f646 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -46,9 +46,10 @@
       <%= f.text_field :name, :required => true, :name => "homework_name", :size => 60, :style => "width:490px;"%>
     </p>
     <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
-        <strong>关联项目：</strong>
-        <%= f.select :project_id, options_for_select(user_projects_option),:name => "project_id", :required => true%>
+        <strong>提交项目：</strong>
+        <%= f.select :project_id, options_for_select(user_projects_option,@homework.project.id),:name => "project_id", :required => true%>
         <%= link_to '创建项目', new_project_path(course: 0, project_type: 0), :target => '_blank' %>
+      <p class="font_lighter" style="padding-left:120px;clear:left;">提交项目可以为空</p>
     </p>
     <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
       <strong  style="vertical-align: top">描&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;述：</strong>&nbsp;
diff --git a/app/views/homework_attach/new.html.erb b/app/views/homework_attach/new.html.erb
index 618fc15a1..c74d17bdd 100644
--- a/app/views/homework_attach/new.html.erb
+++ b/app/views/homework_attach/new.html.erb
@@ -26,6 +26,12 @@
         <strong>标  题：</strong>
         <%= f.text_field "name", :required => true, :size => 60, :style => "width:490px;" %>
       </p>
+      <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
+        <strong>提交项目：</strong>
+        <%= f.select :project_id, options_for_select(user_projects_option),:name => "project_id", :required => true%>
+        <%= link_to '创建项目', new_project_path(course: 0, project_type: 0), :target => '_blank' %>
+        <p class="font_lighter" style="padding-left:120px;clear:left;">提交项目可以为空</p>
+      </p>
       <p style=" padding: 3px 0 3px 0;padding-left: 50px;  clear:left;">
         <strong  style="vertical-align: top">描  述：</strong>
         <span style="margin-left:-10px;padding-right: 20px;">
diff --git a/db/schema.rb b/db/schema.rb
index b7de4e0b2..fc2151165 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -961,11 +961,13 @@ ActiveRecord::Schema.define(:version => 20140617092219) do
   end
 
   create_table "user_scores", :force => true do |t|
-    t.integer "user_id"
-    t.integer "collaboration"
-    t.integer "influence"
-    t.integer "skill"
-    t.integer "activity"
+    t.integer  "user_id",       :null => false
+    t.integer  "collaboration"
+    t.integer  "influence"
+    t.integer  "skill"
+    t.integer  "active"
+    t.datetime "created_at",    :null => false
+    t.datetime "updated_at",    :null => false
   end
 
   create_table "user_statuses", :force => true do |t|