diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index a9adc9ec6..ff6463036 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -331,18 +331,9 @@ class HomeworkAttachController < ApplicationController
     if User.current.admin? || User.current.member_of_course?(course)
       name = params[:homework_name]
       description = params[:homework_description]
-      if params[:homework_attach]
-        if params[:homework_attach][:project_id]
-          project_id = params[:homework_attach][:project_id]
-        else
-          project_id = 0
-        end
-      else
-        project_id = 0
-      end
       @homework.name = name
       @homework.description = description
-      @homework.project_id = project_id
+      @homework.project_id = params[:project_id] || 0
       if params[:attachments]
         @homework.save_attachments(params[:attachments])
       end
diff --git a/app/views/homework_attach/edit.html.erb b/app/views/homework_attach/edit.html.erb
index 92a72acd4..cfe4bf097 100644
--- a/app/views/homework_attach/edit.html.erb
+++ b/app/views/homework_attach/edit.html.erb
@@ -41,13 +41,13 @@
   <div class="Newwork">
     <div id="tb_" class="tb_">
       <ul>
-        <li id="tb_1" class="hovertab" onclick="switchTab(1);this.blur();return false;" style="width: auto; padding:5px 10px 0;">
+        <li id="tb_1" class="hovertab" onclick="switchTab(1);this.blur();return false;" style="width: auto; padding:10px 10px 0;">
           修改作业
         </li>
         <li id="tb_2" class="normaltab" onclick="switchTab(2);this.blur();return false;">
           成员
         </li>
-        <li class="N_top" style="width: 747px;">
+        <li class="N_top" style="width: 747px;line-height: 1.9;">
           <%= link_to(l(:label_project_new), {:controller => 'projects',
                                               :action => 'new',
                                               :course => 0,
diff --git a/app/views/homework_attach/new.html.erb b/app/views/homework_attach/new.html.erb
index 5a512c800..c843482a9 100644
--- a/app/views/homework_attach/new.html.erb
+++ b/app/views/homework_attach/new.html.erb
@@ -41,10 +41,10 @@
   <div class="Newwork">
     <div id="tb_" class="tb_">
       <ul>
-        <li id="tb_1" class="hovertab" onmouseover="x:HoverLi(1);" style="width: auto; padding:5px 10px 0;">
+        <li id="tb_1" class="hovertab" onmouseover="x:HoverLi(1);" style="width: auto; padding:10px 10px 0;">
           创建作品
         </li>
-        <li class="N_top" style="width: 835px;">
+        <li class="N_top" style="width: 835px;line-height: 1.9;">
           <%= link_to(l(:label_project_new), {:controller => 'projects',
                                               :action => 'new',
                                               :course => 0,
diff --git a/public/stylesheets/css.css b/public/stylesheets/css.css
index b382b6d46..e49f2651f 100644
--- a/public/stylesheets/css.css
+++ b/public/stylesheets/css.css
@@ -130,7 +130,7 @@ a:hover.ping_sub{ background:#14a8b9;}
 .w350{ width:350px;}
 .w620{ width:580px; height:160px; border:1px solid #CCC !important; padding-left: 3px !important;}
 .bo{height:26px; border:1px solid #CCC !important; padding: 0 !important;}
-a.tijiao{ height:28px !important; display:block !important; width:80px !important; color:#fff !important; background:#15bccf !important; text-align:center !important; padding-top:4px !important; float:left !important; margin-right:10px !important;}
+a.tijiao{ height:28px !important; display:block !important; width:80px !important; color:#fff !important; background:#15bccf !important; text-align:center !important; padding-top:4px !important; float:left !important; margin-right:10px !important;line-height: 1.9;}
 a:hover.tijiao{ background:#0f99a9 !important;}
 .members_left{ float:left; width:570px;  margin-right:20px;}
 .members_left{}