diff --git a/app/views/messages/quote.js.erb b/app/views/messages/quote.js.erb
index 157e20764..e7ee0bca0 100644
--- a/app/views/messages/quote.js.erb
+++ b/app/views/messages/quote.js.erb
@@ -5,3 +5,4 @@ $('#quote_quote').html("<%= raw escape_javascript(@temp.content.html_safe) %>");
 
 showAndScrollTo("reply", "message_content");
 $('#message_content').scrollTop = $('#message_content').scrollHeight - $('#message_content').clientHeight;
+$("img").removeAttr("align");
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index fb4998428..46cc8b431 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -8,6 +8,10 @@ function course_setting(id)
     $('#tbc_0'+(3-id)).removeClass().addClass("undis");
 }
 
+$(function(){
+   $("img").removeAttr("align");
+});
+
 ///////////////////////////////////////////////////////////////
 //添加分班
 function add_group(url,course_id) {
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 8442bb259..ce9f36136 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -437,6 +437,7 @@ a.link_file_board{ background:url(../images/pic_file.png) 0 3px no-repeat !impor
 
 /*上传图片处理*/
 .upload_img img{max-width: 100%;}
+blockquote img{max-width: 100%;}
 
 /*
   The following fixes a problem where IE7 and IE8 replace a PNG's alpha transparency with a black fill