diff --git a/app/views/blog_comments/_edit.html.erb b/app/views/blog_comments/_edit.html.erb
index d56557ce7..375c948d4 100644
--- a/app/views/blog_comments/_edit.html.erb
+++ b/app/views/blog_comments/_edit.html.erb
@@ -3,7 +3,7 @@
   <div id="new_course_topic">
     <div class="homepagePostBrief c_grey">
       <div>
-        <input  type="text" value="<%= article.title%>" name="blog_comment[title]" id="message_subject" class="InputBox  w713" style="width: 720px !important;" maxlength="255"  onkeyup="regexTopicSubject();" placeholder="发布文章，请先输入文章标题" " />
+        <input  type="text" value="<%= article.title%>" name="blog_comment[title]" id="message_subject" class="InputBox  w713" maxlength="255"  onkeyup="regexTopicSubject();" placeholder="发布文章，请先输入文章标题" " />
         <p id="subjectmsg"></p>
       </div>
       <div id="topic_editor" style="display: block;">
diff --git a/app/views/blog_comments/_new.html.erb b/app/views/blog_comments/_new.html.erb
index 2a2281a40..48f152c4e 100644
--- a/app/views/blog_comments/_new.html.erb
+++ b/app/views/blog_comments/_new.html.erb
@@ -3,7 +3,7 @@
   <div id="new_course_topic">
     <div class="homepagePostBrief c_grey">
       <div>
-        <input  type="text" name="blog_comment[title]" id="message_subject" class="InputBox  w713" style="width: 720px !important;" maxlength="255" onfocus="$('#topic_editor').show()" onkeyup="regexTopicSubject();" placeholder="发布文章，请先输入文章标题" " >
+        <input  type="text" name="blog_comment[title]" id="message_subject" class="InputBox  w713" maxlength="255" onfocus="$('#topic_editor').show()" onkeyup="regexTopicSubject();" placeholder="发布文章，请先输入文章标题" " >
         <p id="subjectmsg"></p>
       </div>
       <div id="topic_editor" style="display: none;">
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index b9e7bf227..ea45fdbd0 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -131,6 +131,7 @@ a.linkGrey6:hover {color:#ffffff !important;}
 .w350{ width:350px;}
 .w610{ width:610px;}
 .w600{ width:600px;}
+.w713{width: 713px;}
 .h22{ height:22px;}
 .h26{ height:26px;}
 .h50{ height:50px;}