diff --git a/app/views/layouts/base_projects.html.erb b/app/views/layouts/base_projects.html.erb
index 175ba23c0..15e30bfbb 100644
--- a/app/views/layouts/base_projects.html.erb
+++ b/app/views/layouts/base_projects.html.erb
@@ -100,7 +100,7 @@
                   <%= l(:label_search)%>
                 </a>
                 <div class="cl"></div>
-                <span id="project_name_span" class=" fl"></span>
+                <span id="project_name_span" class="fl"></span>
             <% end %>
           </div>
         </div><!--TopBar end-->
@@ -185,7 +185,7 @@
                         </div>
                     </div>
                     <div class="lg-foot" id="lg-foot" onclick="show_more_msg();">
-                        <%= l(:label_expend_information)%>
+                        <label id="expend_more_information"  value="<%= l(:label_expend_information)%>"><%= l(:label_expend_information)%></label>
                         <span class="g-arr-down">
                             <img src="/images/jiantou.jpg" width="12" height="6" />
                         </span>
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index f1b696ce5..2ee9c1c83 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -35,8 +35,21 @@ function expand_tools_expand()
 }
 
 // 描述显示更多信息
-function show_more_msg()
-{$("#course_description").toggleClass("course_description_none");}
+function show_more_msg(){
+ $("#course_description").toggleClass("course_description_none");
+ var information = $("#expend_more_information");
+ var val = information.attr("value");
+    if (val=="展开更多信息" )
+    {
+        $("#expend_more_information").text("收起描述信息");
+        information.attr("value","收起描述信息");
+    }
+    else
+    {
+        $("#expend_more_information").text("展开更多信息");
+        information.attr("value","展开更多信息");
+    }
+}
 
 ///////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////项目讨论区