diff --git a/app/controllers/exercise_controller.rb b/app/controllers/exercise_controller.rb
index 9c073afa8..444446ef4 100644
--- a/app/controllers/exercise_controller.rb
+++ b/app/controllers/exercise_controller.rb
@@ -450,7 +450,7 @@ class ExerciseController < ApplicationController
         if params[:answer_text].nil? || params[:answer_text].blank?
           #用户提交空答案，视作不作答
           @percent = get_percent(@exercise,User.current)
-          render :json => {:text => ea.answer_text,:percent => format("%.2f", @percent)}
+          render :json => {:text => "",:percent => format("%.2f", @percent)}
         else
           #添加答案
           ea = ExerciseAnswer.new
@@ -476,7 +476,7 @@ class ExerciseController < ApplicationController
           # 用户提交空答案，视为删除答案
           if ea.delete
             @percent = get_percent(@exercise,User.current)
-            render :json => {:text => ea.answer_text,:percent => format("%.2f", @percent)}
+            render :json => {:text => "",:percent => format("%.2f", @percent)}
           else
             render :json => {:text => "failure"}
           end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index f26f6c118..78d8e2b46 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -497,7 +497,7 @@ class UsersController < ApplicationController
 
       #提交作品时，计算是否迟交
       if Time.parse(homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(Time.now.to_s).strftime("%Y-%m-%d")
-        student_work.late_penalty = 1
+        student_work.late_penalty = homework.late_penalty
       else
         student_work.late_penalty = 0
       end
diff --git a/app/views/student_work/_evaluation_title.html.erb b/app/views/student_work/_evaluation_title.html.erb
index 7398dbee1..2ef5ee9af 100644
--- a/app/views/student_work/_evaluation_title.html.erb
+++ b/app/views/student_work/_evaluation_title.html.erb
@@ -1,19 +1,25 @@
-<ul class="hworkUl">
-  <li class="hworkList340 hworkH30 width505">
-    <span class="HomeworkNameTitle f14 fb fl">作品名称</span>
-    <% if @homework.homework_type != 3 %>
-        <span class="HomeworkStuTitle f14 fb fl">姓名</span>
-        <span class="HomeworkStuTitle f14 fb fl">学号</span>
-    <% elsif @homework.homework_type == 3 && @homework.homework_detail_group.base_on_project == 1 %>
-        <span class="HomeworkStuTitle f14 fb fl">关联项目</span>
-    <% end %>
-  </li>
-
-  <li class="hworkList130 hworkH30 fb ml10">
-    时间
-  </li>
-
-  <li class="hworkList50 hworkH30 fb mr10 ml10">
-    我的评分
-  </li>
+<ul class="hworkUl">
+  <li class="hworkList340 hworkH30 w455">
+    <span class="HomeworkNameTitle f14 fb fl w235">作品名称</span>
+    <% if @homework.homework_type != 3 %>
+        <span class="HomeworkStuTitle f14 fb fl">姓名</span>
+        <span class="HomeworkStuTitle f14 fb fl">学号</span>
+    <% elsif @homework.homework_type == 3 && @homework.homework_detail_group.base_on_project == 1 %>
+        <span class="HomeworkStuTitle f14 fb fl">关联项目</span>
+    <% end %>
+  </li>
+
+  <li class="hworkList130 hworkH30 fb ml10">
+    时间
+  </li>
+
+  <% if @homework.homework_type == 2%>
+      <li class="hworkList50 hworkH30 fb">
+        系统
+      </li>
+  <% end%>
+
+  <li class="hworkList50 hworkH30 fb mr10 ml10" style="float: right;">
+    我的评分
+  </li>
 </ul>
\ No newline at end of file
diff --git a/app/views/student_work/_evaluation_work.html.erb b/app/views/student_work/_evaluation_work.html.erb
index db680cbec..cc346361e 100644
--- a/app/views/student_work/_evaluation_work.html.erb
+++ b/app/views/student_work/_evaluation_work.html.erb
@@ -6,16 +6,16 @@
     <% pro = @homework.student_work_projects.where(:user_id => User.current.id).first %>
     <% is_my_work = pro && pro.student_work_id == student_work.id%>
   <% end %>
-  <li class="hworkList340 width525">
+  <li class="hworkList340 w465">
     <ul>
       <% if is_my_work%>
           <li class="hworkPortrait mt15 mr10">
             <%= image_tag(url_to_avatar(student_work.user),width:"40", height: "40") %>
           </li>
-          <li class="hworkName mt15 mr15 width255 student_work_<%= student_work.id%>">
+          <li class="hworkName mt15 mr15 w230 student_work_<%= student_work.id%>">
             <% student_work_name = student_work.name.nil? || student_work.name.empty? ? student_work.user.show_name + '的作品' : student_work.name%>
             <div>
-              <%= link_to student_work_name, student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word width285"%>
+              <%= link_to student_work_name, student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word w230"%>
             </div>
           </li>
           <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;" class="student_work_<%= student_work.id%>">
@@ -40,9 +40,9 @@
           <li class="hworkPortrait mt15 mr10">
             <%= image_tag(url_to_avatar(""),width:"40", height: "40") %>
           </li>
-          <li class="hworkName mt15 mr15 width255 student_work_<%= student_work.id%>">
+          <li class="hworkName mt15 mr15 w230 student_work_<%= student_work.id%>">
             <div>
-              <%= link_to "匿名的作品", student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word width285"%>
+              <%= link_to "匿名的作品", student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word w230"%>
             </div>
           </li>
           <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;" class="student_work_<%= student_work.id%>">
@@ -75,8 +75,15 @@
   </li>
 
   <!-- 成绩 -->
+  <% if @homework.homework_type == 2%>
+      <!-- 系统评分 -->
+      <li class="hworkList50 <%= score_color student_work.system_score%>">
+        <%= student_work.system_score.nil? ? "--" : format("%.1f",student_work.system_score)%>
+      </li>
+  <% end%>
+
   <% my_score = student_work_score(student_work,User.current) %>
-  <li class="hworkList50 <%= my_score.nil? ? 'c_grey' : score_color(my_score.score)%> mr10">
+  <li class="hworkList50 <%= my_score.nil? ? 'c_grey' : score_color(my_score.score)%> mr10 ml10" style="float:right; ">
     <%= my_score.nil? ? "--" : format("%.1f",my_score.score)%>
   </li>
   <li class="hworkTip" style="display: none" id="work_click_<%= student_work.id%>"><em></em><span></span><font class="fontGrey2">点击查看详情</font></li>
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index 5bfaccf30..a0bce3099 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -813,7 +813,7 @@ function hidden_atert_form(cur_page,cur_type)
 
 //当课程描述长度小于112px时，不显示更多按钮
 $(function(){
-    if($("#course_description_content").height()>112)
+    if($("#course_description_content").height()>400)
     {
         $("#lg-foot").show();
     }
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index 24e864780..67fecaa3f 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -280,7 +280,7 @@ function submitComment()
 //当项目描述长度小于112px时，不显示更多按钮
 $(function () {
 //    alert($("#course_description_content").height());
-    if ($("#course_description_content").height() > 112) {
+    if ($("#course_description_content").height() > 400) {
         $("#lg-foot").show();
     }
 });
diff --git a/public/stylesheets/leftside.css b/public/stylesheets/leftside.css
index 26976343e..aded204d2 100644
--- a/public/stylesheets/leftside.css
+++ b/public/stylesheets/leftside.css
@@ -45,7 +45,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 
 /*简介*/
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
-.course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
+.course_description{max-height: 420px;overflow:hidden; word-break: break-all;word-wrap: break-word;line-height: 20px;}
 .project_board_content{overflow: hidden;max-height: 212px;word-break: break-all;word-wrap: break-word;}
 .project_board_content1{overflow: hidden;max-height: 72px;word-break: break-all;word-wrap: break-word;}
 .course_description_none{max-height: none;}
diff --git a/public/stylesheets/leftside_new.css b/public/stylesheets/leftside_new.css
index 2f31a1f65..f7f0c139d 100644
--- a/public/stylesheets/leftside_new.css
+++ b/public/stylesheets/leftside_new.css
@@ -46,7 +46,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 
 /*简介*/
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
-.course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
+.course_description{max-height: 420px;overflow:hidden; word-break: break-all;word-wrap: break-word;line-height: 20px;}
 .course_description_none{max-height: none;}
 .lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;}
 .lg-foot:hover{ color:#787b7e; border:1px solid #d4d4d4;}
diff --git a/public/stylesheets/pleft.css b/public/stylesheets/pleft.css
index 1ce12bdda..2cd51d5ec 100644
--- a/public/stylesheets/pleft.css
+++ b/public/stylesheets/pleft.css
@@ -48,7 +48,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 
 /*简介*/
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
-.course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
+.course_description{max-height: 420px;overflow:hidden; word-break: break-all;word-wrap: break-word;line-height: 20px;}
 .project_board_content{overflow: hidden;max-height: 212px;word-break: break-all;word-wrap: break-word;}
 .project_board_content1{overflow: hidden;max-height: 72px;word-break: break-all;word-wrap: break-word;}
 .course_description_none{max-height: none;}
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index 51f0be25d..cf741476e 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -135,12 +135,16 @@ h4{ font-size:14px; color:#3b3b3b;}
 .w100{width: 100px;}
 .w210{ width:210px;}
 .w150{ width:150px;}
+.w230{width:230px !important;}
+.w235{ width:235px !important;}
 .w280{ width:280px;}
 .w265{ width: 265px;}
 .w270{ width: 270px;}
 .w350 {width:350px;}
 .w362 {width:362px;}
 .w430{ width:470px;}
+.w455{width:455px !important;}
+.w465{width:465px !important;}
 .w520{ width:520px;}
 .w543{ width:543px;}
 .w557{ width:557px;}
diff --git a/public/stylesheets/user_leftside.css b/public/stylesheets/user_leftside.css
index c8dfbe316..c0ff7c8a2 100644
--- a/public/stylesheets/user_leftside.css
+++ b/public/stylesheets/user_leftside.css
@@ -46,7 +46,7 @@ a:hover.subnav_green{ background:#14ad5a;}
 
 /*简介*/
 .project_intro{ width:220px; padding:10px; background:#fff; margin-top:10px; padding-top:5px; color:#6d6d6d; line-height:1.9;}
-.course_description{max-height: 112px;overflow:hidden; word-break: break-all;word-wrap: break-word;}
+.course_description{max-height: 420px;overflow:hidden; word-break: break-all;word-wrap: break-word;line-height: 20px;}
 .course_description_none{max-height: none;}
 .lg-foot{ border:1px solid #e8eef2; color: #929598; text-align:center; width:220px; height:23px; cursor:pointer;}
 .lg-foot:hover{ color:#787b7e; border:1px solid #d4d4d4;}