diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index 1696259bf..4c3a608de 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -803,6 +803,9 @@ class StudentWorkController < ApplicationController
     @new_score.comment = params[:new_form][:user_message] if params[:new_form] && params[:new_form][:user_message] && params[:new_form][:user_message] != ""
     @new_score.user_id = User.current.id
     @new_score.student_work_id = @work.id
+    if @is_teacher && @work.work_status == 0
+      @work.update_column('work_status', 1)
+    end
     if User.current.admin?
       @new_score.reviewer_role = 1
     else
@@ -813,7 +816,6 @@ class StudentWorkController < ApplicationController
       if @is_teacher
         @is_new = true
         @is_last_a = false
-        @work.update_column('work_status', 1)
       else
         @is_new = false
       end
@@ -1229,7 +1231,7 @@ class StudentWorkController < ApplicationController
         sheet1[count_row,3] = homework.user.user_extensions.student_id
         sheet1[count_row,4] = homework.user.mail
         sheet1[count_row,5] = homework.name
-        sheet1[count_row,6] = strip_html homework.description
+        sheet1[count_row,6] = strip_html homework.description if !homework.description.nil?
         sheet1[count_row,7] = homework.teacher_score.nil? ? l(:label_without_score) : homework.teacher_score.round(2)
         sheet1[count_row,8] = homework.teaching_asistant_score.nil? ? l(:label_without_score) : homework.teaching_asistant_score.round(2)
         if @homework.anonymous_comment ==0
diff --git a/app/views/layouts/_project_info.html.erb b/app/views/layouts/_project_info.html.erb
index de37841a0..abfebd828 100644
--- a/app/views/layouts/_project_info.html.erb
+++ b/app/views/layouts/_project_info.html.erb
@@ -27,7 +27,7 @@
   <span class="f14 fl">邀请码：</span>
   <span class="f14 fontBlue2 fl"><%=@course.generate_invite_code %></span>
   <% unless is_teacher %>
-      <div id="join_in_course_header" class="fl ml35"><%= join_in_course_header(@course, User.current) %></div>
+      <div id="join_in_course_header" class="fl ml30"><%= join_in_course_header(@course, User.current) %></div>
   <% end %>
 </div>
 
diff --git a/app/views/layouts/_syllabus_title.html.erb b/app/views/layouts/_syllabus_title.html.erb
index b67e6ab9d..5180da82d 100644
--- a/app/views/layouts/_syllabus_title.html.erb
+++ b/app/views/layouts/_syllabus_title.html.erb
@@ -1,4 +1,4 @@
-<span style="word-break: normal; word-wrap: normal;"><%=@syllabus.title %></span>
+<span style="word-break: normal; word-wrap: break-word;"><%=@syllabus.title %></span>
 
 <% if User.current == syllabus.user %>
     <%= link_to image_tag("../images/signature_edit.png",width:"12px", height: "12px"), "javascript:void(0);",:id => "syllabus_edit_title_png", :class => "none", :onclick => "show_edit_title();"%>
diff --git a/db/schema.rb b/db/schema.rb
index 93dbba8a4..04b289d2b 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 => 20160707031248) do
+ActiveRecord::Schema.define(:version => 20160708005533) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -1803,6 +1803,7 @@ ActiveRecord::Schema.define(:version => 20160707031248) do
     t.integer  "simi_id"
     t.integer  "simi_value"
     t.float    "work_score"
+    t.integer  "work_status",                                   :default => 0
   end
 
   add_index "student_works", ["homework_common_id", "user_id"], :name => "index_student_works_on_homework_common_id_and_user_id"