diff --git a/module/doc/js/tablecontents.js b/module/doc/js/tablecontents.js
index 3172510658..872b557474 100644
--- a/module/doc/js/tablecontents.js
+++ b/module/doc/js/tablecontents.js
@@ -109,6 +109,10 @@ $(function()
 
     $('#fileTree').on('mousemove', 'a', function()
     {
+        var libClass = '.libDorpdown';
+        if(!$(this).hasClass('lib')) libClass = '.moduleDorpdown';
+        if($(libClass).find('li').length == 0) return false;
+
         $(this).find('.icon').removeClass('hidden');
     }).on('mouseout', 'a', function()
     {
@@ -135,23 +139,13 @@ $(function()
 
     function renderDropdown(option)
     {
-        var $liList = (option.id == 'dropDownLibrary') ?
-                       ('<li data-method="addCatalogue"><a><i class="icon icon-controls"></i>添加目录</a></li>' +
-                       '<li data-method="editLib"><a><i class="icon icon-edit"></i>编辑库</a></li>' +
-                       '<li data-method="deleteLib"><a><i class="icon icon-trash"></i>删除库</a></li>')
-                       :
-                       ('<li data-method="addCata"><a><i class="icon icon-controls"></i>添加同级目录</a></li>' +
-                       '<li data-method="addCataChild"><a><i class="icon icon-edit"></i>添加子目录</a></li>' +
-                       '<li data-method="editCata"><a><i class="icon icon-edit"></i>编辑目录</a></li>' +
-                       '<li data-method="deleteCata"><a><i class="icon icon-trash"></i>删除目录</a></li>')
+        var libClass = '.libDorpdown';
+        if(option.id != 'dropDownLibrary') libClass = '.moduleDorpdown';
+        if($(libClass).find('li').length == 0) return '';
 
-        var dropdown = '<ul class="dropdown-menu dropdown-in-tree" ' +
-                       'id="' + option.id + '"' +
-                       'style="display: unset; ' +
-                       'left:' + option.left + 'px; ' +
-                       'top:' + option.top + 'px;' +
-                        '">' + $liList +
-                       '</ul>';
+        var dropdown = '<ul class="dropdown-menu dropdown-in-tree" id="' + option.id + '" style="display: unset; left:' + option.left + 'px; top:' + option.top + 'px;">';
+        dropdown += $(libClass).html();
+        dropdown += '</ul>';
         return dropdown;
     };
 
diff --git a/module/doc/lang/de.php b/module/doc/lang/de.php
index fa52844ca1..4b6f770a29 100644
--- a/module/doc/lang/de.php
+++ b/module/doc/lang/de.php
@@ -284,3 +284,11 @@ $lang->doc->placeholder->url = 'Url';
 $lang->doc->summary = "Total files on this page: <strong>%s</strong> , total size: <strong>%s</strong>, <strong>%s</strong>.";
 $lang->doc->ge      = ':';
 $lang->doc->point   = '.';
+
+$lang->doc->libDropdown['editLib']       = 'Edit Library';
+$lang->doc->libDropdown['deleteLib']     = 'Delete Library';
+$lang->doc->libDropdown['addModule']     = 'Add Directory';
+$lang->doc->libDropdown['addSameModule'] = 'Add Same Directory';
+$lang->doc->libDropdown['addSubModule']  = 'Add Sub Directory';
+$lang->doc->libDropdown['editModule']    = 'Edit Directory';
+$lang->doc->libDropdown['delModule']     = 'Delete Directory';
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index f0b5c1c01c..9fa8e9f795 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -284,3 +284,11 @@ $lang->doc->placeholder->url = 'URL';
 $lang->doc->summary = "Total files on this page: <strong>%s</strong> , total size: <strong>%s</strong>, <strong>%s</strong>.";
 $lang->doc->ge      = ':';
 $lang->doc->point   = '.';
+
+$lang->doc->libDropdown['editLib']       = 'Edit Library';
+$lang->doc->libDropdown['deleteLib']     = 'Delete Library';
+$lang->doc->libDropdown['addModule']     = 'Add Directory';
+$lang->doc->libDropdown['addSameModule'] = 'Add Same Directory';
+$lang->doc->libDropdown['addSubModule']  = 'Add Sub Directory';
+$lang->doc->libDropdown['editModule']    = 'Edit Directory';
+$lang->doc->libDropdown['delModule']     = 'Delete Directory';
diff --git a/module/doc/lang/fr.php b/module/doc/lang/fr.php
index 0920f5eb17..6ad3fe4249 100644
--- a/module/doc/lang/fr.php
+++ b/module/doc/lang/fr.php
@@ -284,3 +284,11 @@ $lang->doc->placeholder->url = 'URL';
 $lang->doc->summary = "Total files on this page: <strong>%s</strong> , total size: <strong>%s</strong>, <strong>%s</strong>.";
 $lang->doc->ge      = ':';
 $lang->doc->point   = '.';
+
+$lang->doc->libDropdown['editLib']       = 'Edit Library';
+$lang->doc->libDropdown['deleteLib']     = 'Delete Library';
+$lang->doc->libDropdown['addModule']     = 'Add Directory';
+$lang->doc->libDropdown['addSameModule'] = 'Add Same Directory';
+$lang->doc->libDropdown['addSubModule']  = 'Add Sub Directory';
+$lang->doc->libDropdown['editModule']    = 'Edit Directory';
+$lang->doc->libDropdown['delModule']     = 'Delete Directory';
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index 141c27bc1a..4a898dd7ee 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -284,3 +284,11 @@ $lang->doc->placeholder->url = '相应的链接地址';
 $lang->doc->summary = "本页共 <strong>%s</strong> 个附件，共计 <strong>%s</strong>，其中<strong>%s</strong>。";
 $lang->doc->ge      = '个';
 $lang->doc->point   = '、';
+
+$lang->doc->libDropdown['editLib']       = '编辑库';
+$lang->doc->libDropdown['deleteLib']     = '删除库';
+$lang->doc->libDropdown['addModule']     = '添加目录';
+$lang->doc->libDropdown['addSameModule'] = '添加同级目录';
+$lang->doc->libDropdown['addSubModule']  = '添加子目录';
+$lang->doc->libDropdown['editModule']    = '编辑目录';
+$lang->doc->libDropdown['delModule']     = '删除目录';
diff --git a/module/doc/view/tablecontents.html.php b/module/doc/view/tablecontents.html.php
index 7d6cbb9bad..430571afb6 100644
--- a/module/doc/view/tablecontents.html.php
+++ b/module/doc/view/tablecontents.html.php
@@ -94,4 +94,25 @@
     ;?>
   </div>
 </div>
+<div class='hidden' id='dropDownData'>
+  <div class='libDorpdown'>
+    <?php if(common::hasPriv('tree', 'browse')):?>
+    <li data-method="addCatalogue"><a><i class="icon icon-controls"></i><?php echo $lang->doc->libDropdown['addModule'];?></a></li>
+    <?php endif;?>
+    <?php if(common::hasPriv('doc', 'editLib')):?>
+    <li data-method="editLib"><a><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['editLib'];?></a></li>
+    <?php endif;?>
+    <?php if(common::hasPriv('doc', 'deleteLib')):?>
+    <li data-method="deleteLib"><a><i class="icon icon-trash"></i><?php echo $lang->doc->libDropdown['deleteLib'];?></a></li>
+    <?php endif;?>
+  </div>
+  <div class='moduleDorpdown'>
+    <?php if(common::hasPriv('tree', 'browse')):?>
+    <li data-method="addCata"><a><i class="icon icon-controls"></i><?php echo $lang->doc->libDropdown['addSameModule'];?></a></li>
+    <li data-method="addCataChild"><a><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['addSubModule'];?></a></li>
+    <li data-method="editCata"><a><i class="icon icon-edit"></i><?php echo $lang->doc->libDropdown['editModule'];?></a></li>
+    <li data-method="deleteCata"><a><i class="icon icon-trash"></i><?php echo $lang->doc->libDropdown['delModule'];?></a></li>
+    <?php endif;?>
+  </div>
+</div>
 <?php include '../../common/view/footer.html.php';?>