diff --git a/framework/base/control.class.php b/framework/base/control.class.php
index e36b865171..9546f804b1 100644
--- a/framework/base/control.class.php
+++ b/framework/base/control.class.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * ZenTaoPHP的control类。
- * The control class file of ZenTaoPHP framework.
+ * ZenTaoPHP的baseControl类。
+ * The baseControl class file of ZenTaoPHP framework.
  *
  * The author disclaims copyright to this source code.  In place of
  * a legal notice, here is a blessing:
@@ -12,7 +12,7 @@
  */
 
 /**
- * control基类，所有模块的control类都派生于它。
+ * baseControl基类，所有模块的control类都派生于它。
  * The base class of control.
  *
  * @package framework
diff --git a/framework/base/helper.class.php b/framework/base/helper.class.php
index 1806819fff..fbb952a110 100644
--- a/framework/base/helper.class.php
+++ b/framework/base/helper.class.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * ZenTaoPHP的helper类。
- * The helper class file of ZenTaoPHP framework.
+ * ZenTaoPHP的baseHelper类。
+ * The baseHelper class file of ZenTaoPHP framework.
  *
  * The author disclaims copyright to this source code. In place of
  * a legal notice, here is a blessing:
@@ -13,7 +13,7 @@
 
 /**
  * 该类实现了一些常用的方法
- * The helper class, contains the tool functions.
+ * The baseHelper class, contains the tool functions.
  *
  * @package framework
  */
diff --git a/framework/base/model.class.php b/framework/base/model.class.php
index 8ae9e974d9..a0ed040e6a 100644
--- a/framework/base/model.class.php
+++ b/framework/base/model.class.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * ZenTaoPHP的model类。
- * The model class file of ZenTaoPHP framework.
+ * ZenTaoPHP的baseModel类。
+ * The baseModel class file of ZenTaoPHP framework.
  *
  * The author disclaims copyright to this source code.  In place of
  * a legal notice, here is a blessing:
@@ -12,7 +12,7 @@
  */
 
 /**
- * model基类。
+ * baseModel基类。
  * The base class of model.
  * 
  * @package framework
diff --git a/framework/base/router.class.php b/framework/base/router.class.php
index 1f571d8416..47522527d3 100644
--- a/framework/base/router.class.php
+++ b/framework/base/router.class.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * 此文件包括ZenTaoPHP框架的三个类：router, config, lang。
+ * 此文件包括ZenTaoPHP框架的三个类：baseRouter, config, lang。
  * The router, config and lang class file of ZenTaoPHP framework.
  *
  * The author disclaims copyright to this source code. In place of 
@@ -12,8 +12,8 @@
  */
 
 /**
- * router类。
- * The router class.
+ * baseRouter类。
+ * The baseRouter class.
  *
  * @package framework
  */
diff --git a/framework/control.class.php b/framework/control.class.php
index 6bc6b8a6e8..d0ce254678 100644
--- a/framework/control.class.php
+++ b/framework/control.class.php
@@ -1,5 +1,23 @@
 <?php
+/**
+ * ZenTaoPHP的control类。
+ * The control class file of ZenTaoPHP framework.
+ *
+ * The author disclaims copyright to this source code.  In place of
+ * a legal notice, here is a blessing:
+ *
+ *  May you do good and not evil.
+ *  May you find forgiveness for yourself and forgive others.
+ *  May you share freely, never taking more than you give.
+ */
+
 include dirname(__FILE__) . '/base/control.class.php';
+/**
+ * control基类继承与baseControl，所有模块的control类都派生于它。
+ * The base class of control extends baseControl.
+ *
+ * @package framework
+ */
 class control extends baseControl
 {
 }
diff --git a/framework/helper.class.php b/framework/helper.class.php
index 59154192dc..120aa4e161 100644
--- a/framework/helper.class.php
+++ b/framework/helper.class.php
@@ -1,5 +1,23 @@
 <?php
+/**
+ * ZenTaoPHP的helper类。
+ * The helper class file of ZenTaoPHP framework.
+ *
+ * The author disclaims copyright to this source code. In place of
+ * a legal notice, here is a blessing:
+ * 
+ *  May you do good and not evil.
+ *  May you find forgiveness for yourself and forgive others.
+ *  May you share freely, never taking more than you give.
+ */
+
 include dirname(__FILE__) . '/base/helper.class.php';
+/**
+ * 该类实现了一些常用的方法
+ * The helper class, contains the tool functions.
+ *
+ * @package framework
+ */
 class helper extends baseHelper
 {
 }
diff --git a/framework/model.class.php b/framework/model.class.php
index 65cf71496c..f60df75833 100644
--- a/framework/model.class.php
+++ b/framework/model.class.php
@@ -1,5 +1,23 @@
 <?php
+/**
+ * ZenTaoPHP的model类。
+ * The model class file of ZenTaoPHP framework.
+ *
+ * The author disclaims copyright to this source code.  In place of
+ * a legal notice, here is a blessing:
+ * 
+ *  May you do good and not evil.
+ *  May you find forgiveness for yourself and forgive others.
+ *  May you share freely, never taking more than you give.
+ */
+
 include dirname(__FILE__) . '/base/model.class.php';
+/**
+ * model基类。
+ * The base class of model.
+ * 
+ * @package framework
+ */
 class model extends baseModel
 {
     /**
diff --git a/framework/router.class.php b/framework/router.class.php
index 365623d4ec..d502e01606 100755
--- a/framework/router.class.php
+++ b/framework/router.class.php
@@ -1,53 +1,36 @@
 <?php
+/**
+ * 此文件包括ZenTaoPHP框架的三个类：router, config, lang。
+ * The router, config and lang class file of ZenTaoPHP framework.
+ *
+ * The author disclaims copyright to this source code. In place of 
+ * a legal notice, here is a blessing:
+ *
+ *  May you do good and not evil.
+ *  May you find forgiveness for yourself and forgive others.
+ *  May you share freely, never taking more than you give.
+ */
+
 include dirname(__FILE__) . '/base/router.class.php';
+/**
+ * router类。
+ * The router class.
+ *
+ * @package framework
+ */
 class router extends baseRouter
 {
-    public function loadCommon()
-    {
-        $this->setModuleName('common');
-        $commonModelFile = helper::setModelFile('common');
-        if(file_exists($commonModelFile))
-        {
-            helper::import($commonModelFile);
-            if(class_exists('extcommonModel'))
-            {
-                $commonClass = 'class common extends extcommonModel{}';
-                eval($commonClass);
-                return new extcommonModel();
-            }
-            elseif(class_exists('commonModel'))
-            {
-                $commonClass = 'class common extends commonModel{}';
-                eval($commonClass);
-                return new commonModel();
-            }
-            else
-            {
-                return false;
-            }
-        }
-    }
-
+    /**
+     * 加载语言文件，返回全局$lang对象。
+     * Load lang and return it as the global lang object.
+     * 
+     * @param   string $moduleName     the module name
+     * @param   string $appName     the app name
+     * @access  public
+     * @return  bool|ojbect the lang object or false.
+     */
     public function loadLang($moduleName, $appName = '')
     {
-        $modulePath   = $this->getModulePath($appName, $moduleName);
-        $mainLangFile = $modulePath . 'lang' . DS . $this->clientLang . '.php';
-        $extLangPath        = $this->getModuleExtPath($appName, $moduleName, 'lang');
-        $commonExtLangFiles = helper::ls($extLangPath['common'] . $this->clientLang, '.php');
-        $siteExtLangFiles   = helper::ls($extLangPath['site'] . $this->clientLang, '.php');
-        $extLangFiles       = array_merge($commonExtLangFiles, $siteExtLangFiles);
-
-        /* Set the files to includ. */
-        if(!is_file($mainLangFile))
-        {
-            if(empty($extLangFiles)) return false;  // also no extension file.
-            $langFiles = $extLangFiles;
-        }
-        else
-        {
-            $langFiles = array_merge(array($mainLangFile), $extLangFiles);
-        }
-
         global $lang;
         if(!is_object($lang)) $lang = new language();
 
@@ -67,28 +50,6 @@ class router extends baseRouter
             $lang->projectCommon = isset($this->config->projectCommonList[$this->clientLang][(int)$projectCommon]) ? $this->config->projectCommonList[$this->clientLang][(int)$projectCommon] : $this->config->projectCommonList['zh-cn'][0];
         }
 
-        static $loadedLangs = array();
-        foreach($langFiles as $langFile)
-        {
-            if(in_array($langFile, $loadedLangs)) continue;
-            include $langFile;
-            $loadedLangs[] = $langFile;
-        }
-
-        /* Merge from the db lang. */
-        if($moduleName != 'common' and isset($lang->db->custom[$moduleName]))
-        {
-            foreach($lang->db->custom[$moduleName] as $section => $fields)
-            {
-                foreach($fields as $key => $value)
-                {
-                    unset($lang->{$moduleName}->{$section}[$key]);
-                    $lang->{$moduleName}->{$section}[$key] = $value;
-                }
-            }
-        }
-
-        $this->lang = $lang;
-        return $lang;
+        return parent::loadLang($moduleName, $appName);
     }
 }
diff --git a/lib/base/front/front.class.php b/lib/base/front/front.class.php
index 737c1aae3f..fd8cd164fc 100644
--- a/lib/base/front/front.class.php
+++ b/lib/base/front/front.class.php
@@ -107,7 +107,7 @@ class baseHTML
      * @access public
      * @return string
      */
-    static public function a($href = '', $title = '', $target = "_self", $misc = '', $newline = true)
+    static public function a($href = '', $title = '', $misc = '', $newline = true)
     {
         global $config;
         if(empty($title)) $title = $href;
@@ -120,8 +120,7 @@ class baseHTML
             $href .= $onlybody;
         }
 
-        if($target == '_self') return "<a href='$href' $misc>$title</a>$newline";
-        return "<a href='$href' target='$target' $misc>$title</a>$newline";
+        return "<a href='$href' $misc>$title</a>$newline";
     }
 
     /**
@@ -450,7 +449,7 @@ class baseHTML
      * @access public
      * @return string the submit button tag.
      */
-     public static function submitButton($label = '', $misc = '', $class = 'btn btn-primary')
+    public static function submitButton($label = '', $class = 'btn btn-primary', $misc = '')
     {
         global $lang;
 
@@ -515,7 +514,7 @@ class baseHTML
      * @access public
      * @return string the common button tag.
      */
-     public static function commonButton($label = '', $misc = '', $class = 'btn btn-default', $icon = '')
+    public static function commonButton($label = '', $class = 'btn btn-default', $misc = '', $icon = '')
     {
         if($icon) $label = "<i class='icon-" . $icon . "'></i> " . $label;
         return " <button type='button' class='$class' $misc>$label</button>";
@@ -534,7 +533,7 @@ class baseHTML
      * @access public
      * @return string
      */
-     public static function linkButton($label = '', $link = '', $target = 'self', $misc = '', $class = 'btn btn-default')
+    public static function linkButton($label = '', $link = '', $class='btn btn-default', $misc = '', $target = 'self')
     {
         global $config, $lang;
 
@@ -673,15 +672,38 @@ EOT;
      * Create select buttons include 'selectAll' and 'selectReverse'.
      * 
      * @param  string $scope  the scope of select reverse.
+     * @param  bool   $asGroup 
      * @param  string $appendClass 
      * @static
      * @access public
      * @return string
      */
-    static public function selectButton($scope = "", $appendClass = 'btn')
+    static public function selectButton($scope = "", $asGroup = true, $appendClass = '')
     {
+        $string = <<<EOT
+<script>
+$(function()
+{
+    if($('body').data('bindSelectBtn')) return;
+    $('body').data('bindSelectBtn', true);
+    $(document).on('click', '.check-all, .check-inverse, #allchecker, #reversechecker', function()
+    {
+        var e = $(this);
+        if(e.closest('.datatable').length) return;
+        scope = e.data('scope');
+        scope = scope ? $('#' + scope) : e.closest('.table');
+        if(!scope.length) scope = e.closest('form');
+        scope.find('input:checkbox').each(e.hasClass('check-inverse') ? function() { $(this).prop("checked", !$(this).prop("checked"));} : function() { $(this).prop("checked", true);});
+    });
+});
+</script>
+EOT;
         global $lang;
-        return "<div class='checkbox $appendClass'><label><input type='checkbox' data-scope='$scope' class='rows-selector'> $lang->select</label></div>";
+        if($asGroup) $string .= "<div class='btn-group'>";
+        $string .= "<a id='allchecker' class='btn btn-select-all check-all $appendClass' data-scope='$scope' href='javascript:;' >{$lang->selectAll}</a>";
+        $string .= "<a id='reversechecker' class='btn btn-select-reverse check-inverse $appendClass' data-scope='$scope' href='javascript:;'>{$lang->selectReverse}</a>";
+        if($asGroup) $string .= "</div>";
+        return  $string;
     }
 
     /**
diff --git a/lib/front/front.class.php b/lib/front/front.class.php
index 1d79f06037..1c37d32e96 100644
--- a/lib/front/front.class.php
+++ b/lib/front/front.class.php
@@ -20,6 +20,67 @@ helper::import(dirname(dirname(__FILE__)) . '/base/front/front.class.php');
  */
 class html extends baseHTML
 {
+    /**
+     * 生成超链接。
+     * Create tags like <a href="">text</a>
+     *
+     * @param  string $href      the link url.
+     * @param  string $title     the link title.
+     * @param  string $misc      other params.
+     * @param  string $newline
+     * @static
+     * @access public
+     * @return string
+     */
+    static public function a($href = '', $title = '', $target = "_self", $misc = '', $newline = true)
+    {
+        if(empty($target)) $target = '_self';
+        if($target != '_self') $misc .= " target='$target'";
+        return parent::a($href, $title, $misc, $newline);
+    }
+
+    /**
+     * 创建提交按钮。
+     * Create submit button.
+     * 
+     * @param  string $label    the label of the button
+     * @param  string $class    the class of the button
+     * @param  string $misc     other params
+     * @static
+     * @access public
+     * @return string the submit button tag.
+     */
+    public static function submitButton($label = '', $misc = '', $class = 'btn btn-primary')
+    {
+        return parent::submitButton($label, $class, $misc);
+    }
+
+    public static function commonButton($label = '', $misc = '', $class = 'btn btn-default', $icon = '')
+    {
+        return parent::commonButton($label, $class, $misc, $icon);
+    }
+
+    public static function linkButton($label = '', $link = '', $target = 'self', $misc = '', $class = 'btn btn-default')
+    {
+        return parent::linkButton($label, $link, $class, $misc, $target);
+    }
+
+    /**
+     * 创建全选checkbox。
+     * Create select buttons include 'selectAll' and 'selectReverse'.
+     * 
+     * @param  string $scope  the scope of select reverse.
+     * @param  bool   $asGroup 
+     * @param  string $appendClass 
+     * @static
+     * @access public
+     * @return string
+     */
+    static public function selectButton($scope = "", $asGroup = true, $appendClass = 'btn')
+    {
+        global $lang;
+        return "<div class='checkbox $appendClass'><label><input type='checkbox' data-scope='$scope' class='rows-selector'> $lang->select</label></div>";
+    }
 }
 
 /**
diff --git a/module/common/model.php b/module/common/model.php
index 979a5f9d9f..c8bb7acb83 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -1267,3 +1267,7 @@ class commonModel extends model
         return "$httpType://$httpHost";
     }
 }
+
+class common extends commonModel
+{
+}