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/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;}