diff --git a/app/views/games/_repository.html.erb b/app/views/games/_repository.html.erb
index 566e46be9..0b393bb9c 100644
--- a/app/views/games/_repository.html.erb
+++ b/app/views/games/_repository.html.erb
@@ -2,7 +2,7 @@
   <li id="codetab_nav_1" class="blacktab_hover" onclick="HoverLi_new(1);">
     <a href="javascript:void(0);" class="tab_type tab_color" >代码</a>
   </li>
-  <li id="codetab_nav_2">
+  <li id="codetab_nav_2" >
     <% if @myshixun.shixun.try(:webssh) %>
         <a href="javascript:void(0);" class="tab_type tab_color" >命令行</a>
     <% end %>
@@ -81,7 +81,7 @@
         g_l('codetab_con_'+n).className='dis -relative';
         g_l('codetab_nav_'+n).className='blacktab_hover';
     };
-
+    <% if @myshixun.shixun.try(:webssh) %>
     $('#codetab_nav_2').on("click", function(){
         $.ajax({
             url: "<%= open_webssh_myshixun_path(@myshixun) %>",
@@ -94,15 +94,16 @@
                     // 本地版
                     var html_local ="<iframe src='http://127.0.0.1:9527?Host=106.75.96.108&Port=40054&Username=root&Password=123123&Gameid=" +data.game_id + "'" + " style='width:100%;border:0;' scrolling='no' id='game_webssh'></iframe><div class='-brother undis'></div>";
                     $("#codetab_con_2").html(html);
-                     var h = $("#games_repository_contents").height() - $("#top_repository").height() - 10;
-                     $("#game_webssh").css("min-height", h);
-                     HoverLi_new(2);
-                  // console.log( $("#game_webssh").contentDocument.body.height());
+                    var h = $("#games_repository_contents").height() - $("#top_repository").height() - 10;
+                    $("#game_webssh").css("min-height", h);
+                    HoverLi_new(2);
+                    // console.log( $("#game_webssh").contentDocument.body.height());
 
 
-                 }
-        }
+                }
+            }
         })
 
     });
+    <% end %>
 </script>
\ No newline at end of file
diff --git a/app/views/shixuns/_form.html.erb b/app/views/shixuns/_form.html.erb
index 2e8d32617..5ba904ebc 100644
--- a/app/views/shixuns/_form.html.erb
+++ b/app/views/shixuns/_form.html.erb
@@ -22,7 +22,7 @@
             </li>
             <li class="clearfix mb15">
               <label class="panel-form-label fl">简介&nbsp;&nbsp;&nbsp;</label>
-              <div id="shixun_introduction" class="new_li fl" style="margin-bottom: 0px">
+              <div id="shixun_introduction" class="new_li fl">
                 <textarea name="shixun[description]"><%= @shixun.description %></textarea>
               </div>
               <p id="e_tip_in" style="margin-left: 10%" class="c_grey"></p>
@@ -161,7 +161,7 @@
   /* ------------------------------- 简介md ------------------------------*/
   var shixun_editormd =  editormd("shixun_introduction", {
       width   : "89.7%",
-      height  : 300,
+      height  : 600,
       syncScrolling : "single",
       //你的lib目录的路径，我这边用JSP做测试的
       path    : "/editormd/lib/",
@@ -190,7 +190,7 @@
   /* --------------------------------- 背景知识 -------------------------------------- */
   var shixun_propaedeutics = editormd("shixun_propaedeutics", {
       width   : "89.7%",
-      height  : 300,
+      height  : 600,
       syncScrolling : "single",
       //你的lib目录的路径，我这边用JSP做测试的
       path    : "/editormd/lib/",