diff --git a/app/views/libraries/show.html.erb b/app/views/libraries/show.html.erb
index c098b069..6779090b 100644
--- a/app/views/libraries/show.html.erb
+++ b/app/views/libraries/show.html.erb
@@ -21,12 +21,12 @@
   </p>
   <div class="edu-back-white">
     <% if admin_or_self && !@library.published? && @library_applies.size > 0 %>
-      <div class="padding30">
+      <div class="padding30 bor-bottom-greyE">
         <p class="mb10 clearfix">
           <span class="color-grey-6 font-16 mr10">私有化原因</span>
           <span class="color-grey-c font-12">（请按照提示修改，并在完成编辑后重新提交）</span>
           <a href="javascript:void(0)" class="color-blue fr" at="0" onclick="getMore(this)">点击展开<i class="iconfont icon-xiajiantou color-blue font-14 ml5"></i></a>
-        </p>
+
         <div class="private_reason">
           <% @library_applies.each do |apply| %>
             <li>
@@ -37,7 +37,7 @@
         </div>
       </div>
     <% end %>
-    <div class="padding30 bor-top-greyE">
+    <div class="padding30">
       <p class="mb10 clearfix">
         <span class="color-grey-6 font-16 mr10">详情</span>
         <% if admin_or_self && @library.editable? %>
@@ -63,7 +63,7 @@
         </div>
       </div>
       <div>
-        <div class="break_full_word new_li" id="labraries_editorMd_content">
+        <div class="break_full_word new_li" id="labraries_editorMd_content" style="box-sizing: border-box">
           <textarea style="display:none;"><%= @library.content %></textarea>
         </div>
         <div class="mt10">
diff --git a/public/stylesheets/educoder/edu-all.css b/public/stylesheets/educoder/edu-all.css
index 498eb759..cdcd47d0 100644
--- a/public/stylesheets/educoder/edu-all.css
+++ b/public/stylesheets/educoder/edu-all.css
@@ -3333,6 +3333,10 @@ line-height: 16px;display: inline-block;color: rgba(65, 140, 205, 1) !important;
     float: left;cursor: pointer;margin-right: 30px;position: relative;color: #05101A;height: 40px;line-height: 20px;
     font-size: 16px;
 }
+.library_nav li a{
+    display: block;
+    height: 100%;
+}
 .library_nav li.active,.library_nav li:hover{
     color: #4cacff;
 }