diff --git a/app/views/boards/_course_show.html.erb b/app/views/boards/_course_show.html.erb
index 8f2cddc48..045ff90f3 100644
--- a/app/views/boards/_course_show.html.erb
+++ b/app/views/boards/_course_show.html.erb
@@ -141,7 +141,7 @@
                     <% end %>
                   </ul>
                 </div>
-                <div class="talkWrapMsg"><a class=" ml258"  id="showgithelp<%= topic.id%>" value="show_help" onclick ="showhelpAndScrollToMessage('talkWrapMsg<%= topic.id %>','#showgithelp<%= topic.id%>'); " class="c_dblue lh23">展开回复(<%= topic.replies_count.to_s%>)</a></div>
+                <div class="talkWrapMsg"><a class=" ml258"  id="showgithelp<%= topic.id%>" value="show_help" onclick ="showhelpAndScrollToMessage('talkWrapMsg<%= topic.id %>','#showgithelp<%= topic.id%>','<%= topic.replies_count%>'); " class="c_dblue lh23">展开回复(<%= topic.replies_count.to_s%>)</a></div>
 
             <% end %>
           </div>
diff --git a/app/views/boards/_project_show.html.erb b/app/views/boards/_project_show.html.erb
index ef2591b30..b4fb47976 100644
--- a/app/views/boards/_project_show.html.erb
+++ b/app/views/boards/_project_show.html.erb
@@ -144,7 +144,7 @@
             <% end %>
                     </ul>
                 </div>
-                <div class="talkWrapMsg"><a class=" ml258"  id="showgithelp<%= topic.id%>" value="show_help" onclick ="showhelpAndScrollToMessage('talkWrapMsg<%= topic.id %>','#showgithelp<%= topic.id%>'); " class="c_dblue lh23">展开回复(<%= topic.replies_count.to_s%>)</a></div>
+                <div class="talkWrapMsg"><a class=" ml258"  id="showgithelp<%= topic.id%>" value="show_help" onclick ="showhelpAndScrollToMessage('talkWrapMsg<%= topic.id %>','#showgithelp<%= topic.id%>','<%=topic.replies_count%>'); " class="c_dblue lh23">展开回复(<%= topic.replies_count.to_s%>)</a></div>
 
            <% end %>
         </div>
diff --git a/app/views/boards/show.html.erb b/app/views/boards/show.html.erb
index fefe54b78..95c1a76d7 100644
--- a/app/views/boards/show.html.erb
+++ b/app/views/boards/show.html.erb
@@ -23,7 +23,24 @@
 </script>
 
 <script type="text/javascript">//侧导航
+$(function(){
+    $(".subNav").click(function(){
+        $(this).toggleClass("currentDd").siblings(".subNav").removeClass("currentDd")
+        $(this).toggleClass("currentDt").siblings(".subNav").removeClass("currentDt")
 
+        // 修改数字控制速度， slideUp(500)控制卷起速度
+        $(this).next(".navContent").slideToggle(500).siblings(".navContent").slideUp(500);
+    })
+})
+
+function show_more_msg()
+{
+    $("#course_description").toggleClass("course_description_none");
+}
+function show_more_msg02()
+{
+    $("#news_description").toggleClass("news_description_none");
+}
 
 
 function show_newtalk()
diff --git a/public/javascripts/project.js b/public/javascripts/project.js
index 9a8aaecfd..0bc094b1d 100644
--- a/public/javascripts/project.js
+++ b/public/javascripts/project.js
@@ -100,7 +100,7 @@ function showhelpAndScrollTo(id) {
         information.attr("value", "show_help");
     }
 }
-function showhelpAndScrollToMessage(id, id1) {
+function showhelpAndScrollToMessage(id, id1, count) {
     $('#' + id).toggle();
     if(cookieget("repositories_visiable") == "true")
     {
@@ -114,12 +114,12 @@ function showhelpAndScrollToMessage(id, id1) {
     var val = information.attr("value");
     if(val=="show_help")
     {
-        $(id1).text("收起回复");
+        $(id1).text("收起回复(" + count + ")" );
         information.attr("value", "hide_help");
     }
     else
     {
-        $(id1).text("展开回复");
+        $(id1).text("展开回复(" + count + ")");
         information.attr("value", "show_help");
     }
 }