diff --git a/module/custom/control.php b/module/custom/control.php
index 2ca5695ad7..c40554a5dd 100644
--- a/module/custom/control.php
+++ b/module/custom/control.php
@@ -470,9 +470,9 @@ class custom extends control
     {
         if($this->server->request_method == 'POST')
         {
-            $data = fixer::input('post')->get();
-            $this->loadModel('setting')->deleteItems("owner={$this->app->user->account}&module=doc&section=custom");
-            $this->setting->setItems("{$this->app->user->account}.doc.custom", $data);
+            $data = fixer::input('post')->join('showLibs', ',')->get();
+            $this->loadModel('setting')->deleteItems("owner={$this->app->user->account}&module=doc&section=custom&key=showLibs");
+            if($data)$this->setting->setItems("{$this->app->user->account}.doc.custom", $data);
             die(js::reload('parent.parent'));
         }
     }
diff --git a/module/doc/config.php b/module/doc/config.php
index 28310b0a3c..3d58a3459d 100644
--- a/module/doc/config.php
+++ b/module/doc/config.php
@@ -16,9 +16,8 @@ $config->doc->customObjectLibs = 'files,customFiles';
 $config->doc->notArticleType   = '';
 
 $config->doc->custom = new stdclass();
-$config->doc->custom->objectLibs   = $config->doc->customObjectLibs;
-$config->doc->custom->showProjects = 'all';
-$config->doc->custom->showNullLib  = false;
+$config->doc->custom->objectLibs = $config->doc->customObjectLibs;
+$config->doc->custom->showLibs   = '';
 
 $config->doc->editor = new stdclass();
 $config->doc->editor->create = array('id' => 'content', 'tools' => 'fullTools');
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index 1e87b1f309..5e72724dcb 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -139,10 +139,9 @@ $lang->doc->fastMenuIconList['collectedbyme'] = 'icon-folder-star';
 $lang->doc->customObjectLibs['files']       = 'Show File Library';
 $lang->doc->customObjectLibs['customFiles'] = 'Show Custom Library';
 
-$lang->doc->customShowLibs    = 'Library display settings';
-$lang->doc->customShowNullLib = 'Display empty library';
-$lang->doc->customShowLibProjects['unclosed'] = 'Display projects that are not closed';
-$lang->doc->customShowLibProjects['all']      = 'Display all projects';
+$lang->doc->customShowLibs = 'Library display settings';
+$lang->doc->customShowLibsList['zero']     = 'Display empty library';
+$lang->doc->customShowLibsList['unclosed'] = 'Display projects that are not closed';
 
 $lang->doc->confirmDelete      = "Do you want to delete this document?";
 $lang->doc->confirmDeleteLib   = "Do you want to delete this Doc Lib?";
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index ef0daae99d..994bc252c0 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -139,10 +139,9 @@ $lang->doc->fastMenuIconList['collectedbyme'] = 'icon-folder-star';
 $lang->doc->customObjectLibs['files']       = '显示附件库';
 $lang->doc->customObjectLibs['customFiles'] = '显示自定义文档库';
 
-$lang->doc->customShowLibs    = '文档库显示设置';
-$lang->doc->customShowNullLib = '显示空文档的库';
-$lang->doc->customShowLibProjects['unclosed'] = '显示未关闭的项目';
-$lang->doc->customShowLibProjects['all']      = '显示所有的项目';
+$lang->doc->customShowLibs = '文档库显示设置';
+$lang->doc->customShowLibsList['zero']     = '显示空文档的库';
+$lang->doc->customShowLibsList['unclosed'] = '显示未关闭的项目';
 
 $lang->doc->confirmDelete      = "您确定删除该文档吗？";
 $lang->doc->confirmDeleteLib   = "您确定删除该文档库吗？";
diff --git a/module/doc/model.php b/module/doc/model.php
index 8851b66bc2..5d39ecc40a 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -137,7 +137,7 @@ class docModel extends model
             $stmt  = $this->dao->select('t1.*')->from(TABLE_DOCLIB)->alias('t1')
                 ->leftJoin($table)->alias('t2')->on("t1.$type=t2.id")
                 ->where("t1.$type")->ne(0)
-                ->beginIF($type == 'project' and $this->config->doc->custom->showProjects == 'unclosed')->andWhere('t2.status')->notin('done,closed')->fi()
+                ->beginIF($type == 'project' and strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t2.status')->notin('done,closed')->fi()
                 ->andWhere('t1.deleted')->eq(0)
                 ->orderBy("t2.order desc, t1.order, t1.id")
                 ->query();
@@ -911,7 +911,7 @@ class docModel extends model
             $fields = $type == 'product' ? "createdBy, createdDate" : "openedBy AS createdBy, openedDate AS createdDate";
             $libs   = $this->dao->select("id, name, `order`, {$fields}")->from($table)
                 ->where('id')->in($idList)
-                ->beginIF($type == 'project' and $this->config->doc->custom->showProjects == 'unclosed')->andWhere('status')->notin('done,closed')->fi()
+                ->beginIF($type == 'project' and strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('status')->notin('done,closed')->fi()
                 ->orderBy('`order` desc, id desc')
                 ->page($pager, 'id')
                 ->fetchAll('id');
@@ -971,7 +971,7 @@ class docModel extends model
             $hasProject = $this->dao->select('DISTINCT product')->from(TABLE_PROJECTPRODUCT)->alias('t1')
                 ->leftJoin(TABLE_PROJECT)->alias('t2')->on('t1.project=t2.id')
                 ->where('t1.product')->in($productIdList)
-                ->beginIF($this->config->doc->custom->showProjects == 'unclosed')->andWhere('t2.status')->notin('done,closed')->fi()
+                ->beginIF(strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t2.status')->notin('done,closed')->fi()
                 ->andWhere('t2.deleted')->eq(0)
                 ->fetchPairs('product', 'product');
         }
@@ -995,7 +995,7 @@ class docModel extends model
         }
         $projects = $this->dao->select('id,name,status')->from(TABLE_PROJECT)
             ->where('id')->in(array_keys($projectLibs))
-            ->beginIF($this->config->doc->custom->showProjects == 'unclosed')->andWhere('status')->notin('done,closed')->fi()
+            ->beginIF(strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('status')->notin('done,closed')->fi()
             ->andWhere('deleted')->eq('0')
             ->orderBy('`order`_desc')
             ->fetchAll();
@@ -1033,7 +1033,7 @@ class docModel extends model
         if($type == 'product' or $type == 'project')
         {
             $nonzeroLibs = array();
-            if($this->config->doc->custom->showNullLib)
+            if(strpos($this->config->doc->custom->showLibs, 'zero') !== false)
             {
                 $nonzeroLibs = $this->dao->select('lib,count(*) as count')->from(TABLE_DOC)->where('deleted')->eq('0')->groupBy('lib')->having('count')->ne(0)->fetchPairs('lib', 'lib');
             }
@@ -1042,8 +1042,8 @@ class docModel extends model
             $stmt  = $this->dao->select('t1.*')->from(TABLE_DOCLIB)->alias('t1')
                 ->leftJoin($table)->alias('t2')->on("t1.$type=t2.id")
                 ->where('t1.deleted')->eq(0)->andWhere("t1.$type")->ne(0)
-                ->beginIF($type == 'project' and $this->config->doc->custom->showProjects == 'unclosed')->andWhere('t2.status')->notin('done,closed')->fi()
-                ->beginIF($this->config->doc->custom->showNullLib)->andWhere('t1.id')->in($nonzeroLibs)->fi()
+                ->beginIF($type == 'project' and strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t2.status')->notin('done,closed')->fi()
+                ->beginIF(strpos($this->config->doc->custom->showLibs, 'zero') !== false)->andWhere('t1.id')->in($nonzeroLibs)->fi()
                 ->orderBy("t2.`order` desc, t1.`order` asc, id desc")
                 ->query();
         }
@@ -1094,7 +1094,7 @@ class docModel extends model
                 $hasProject = $this->dao->select('DISTINCT product')->from(TABLE_PROJECTPRODUCT)->alias('t1')
                     ->leftJoin(TABLE_PROJECT)->alias('t2')->on('t1.project=t2.id')
                     ->where('t1.product')->in($idList)
-                    ->beginIF($this->config->doc->custom->showProjects == 'unclosed')->andWhere('t2.status')->notin('done,closed')->fi()
+                    ->beginIF(strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t2.status')->notin('done,closed')->fi()
                     ->andWhere('t2.deleted')->eq(0)
                     ->fetchPairs('product', 'product');
             }
@@ -1137,7 +1137,7 @@ class docModel extends model
                 $hasProject  = $this->dao->select('DISTINCT product, count(project) as projectCount')->from(TABLE_PROJECTPRODUCT)->alias('t1')
                     ->leftJoin(TABLE_PROJECT)->alias('t2')->on('t1.project=t2.id')
                     ->where('t1.product')->eq($objectID)
-                    ->beginIF($this->config->doc->custom->showProjects == 'unclosed')->andWhere('t2.status')->notin('done,closed')->fi()
+                    ->beginIF(strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t2.status')->notin('done,closed')->fi()
                     ->andWhere('t2.deleted')->eq(0)
                     ->groupBy('product')
                     ->fetchPairs('product', 'projectCount');
@@ -1403,7 +1403,7 @@ class docModel extends model
                 ->leftJoin(TABLE_PROJECTPRODUCT)->alias('t2')->on('t1.root=t2.project')
                 ->leftJoin(TABLE_PROJECT)->alias('t3')->on('t1.root=t3.id')
                 ->where('t2.product')->eq($objectID)
-                ->beginIF($this->config->doc->custom->showProjects == 'unclosed')->andWhere('t3.status')->notin('done,closed')->fi()
+                ->beginIF(strpos($this->config->doc->custom->showLibs, 'unclosed') !== false)->andWhere('t3.status')->notin('done,closed')->fi()
                 ->andWhere('t1.type')->eq('project')
                 ->andWhere('t3.deleted')->eq('0')
                 ->fetchPairs('account', 'account');
diff --git a/module/doc/view/side.html.php b/module/doc/view/side.html.php
index dd0accf17f..445c1fae9d 100644
--- a/module/doc/view/side.html.php
+++ b/module/doc/view/side.html.php
@@ -154,15 +154,7 @@ if(empty($type)) $type = 'product';
           <form action='<?php echo $this->createLink('custom', 'ajaxSetDoc');?>' target='hiddenwin' method='post'>
             <table class='table table-form'>
               <tr>
-                <td>
-                  <div class="checkbox-primary">
-                    <input type="checkbox" name="showNullLib" value="1" id="showNullLib1" <?php if($config->doc->custom->showNullLib) echo 'checked';?>>
-                    <label for="showNullLib1"><?php echo $lang->doc->customShowNullLib;?></label>
-                  </div>
-                </td>
-              </tr>
-              <tr>
-                <td><?php echo html::radio('showProjects', $lang->doc->customShowLibProjects, $config->doc->custom->showProjects);?></td>
+                <td><?php echo html::checkbox('showLibs', $lang->doc->customShowLibsList, $config->doc->custom->showLibs);?></td>
               </tr>
               <tr>
                 <td><?php echo html::submitButton();?></td>