diff --git a/core/wechatrequest.lib.php b/core/wechatrequest.lib.php
index 5fe24be..f39c50e 100644
--- a/core/wechatrequest.lib.php
+++ b/core/wechatrequest.lib.php
@@ -1,59 +1,87 @@
-以下是去除注释后的PHP代码：
-
-```php
 <?php
 namespace LaneWeChat\Core;
+/**
+ * 处理请求
+ * Created by Lane.
+ * User: lane
+ * Date: 13-12-19
+ * Time: 下午11:04
+ * Mail: lixuan868686@163.com
+ * Website: http://www.lanecn.com
+ */
 
 class WechatRequest{
+    /**
+     * @descrpition 分发请求
+     * @param $request
+     * @return array|string
+     */
     public static function switchType(&$request){
         $data = array();
         switch ($request['msgtype']) {
+            //事件
             case 'event':
                 $request['event'] = strtolower($request['event']);
                 switch ($request['event']) {
+                    //关注
                     case 'subscribe':
+                        //二维码关注
                         if(isset($request['eventkey']) && isset($request['ticket'])){
                             $data = self::eventQrsceneSubscribe($request);
+                        //普通关注
                         }else{
                             $data = self::eventSubscribe($request);
                         }
                         break;
+                    //扫描二维码
                     case 'scan':
                         $data = self::eventScan($request);
                         break;
+                    //地理位置
                     case 'location':
                         $data = self::eventLocation($request);
                         break;
+                    //自定义菜单 - 点击菜单拉取消息时的事件推送
                     case 'click':
                         $data = self::eventClick($request);
                         break;
+                    //自定义菜单 - 点击菜单跳转链接时的事件推送
                     case 'view':
                         $data = self::eventView($request);
                         break;
+                    //自定义菜单 - 扫码推事件的事件推送
                     case 'scancode_push':
                         $data = self::eventScancodePush($request);
                         break;
+                    //自定义菜单 - 扫码推事件且弹出“消息接收中”提示框的事件推送
                     case 'scancode_waitmsg':
                         $data = self::eventScancodeWaitMsg($request);
                         break;
+                    //自定义菜单 - 弹出系统拍照发图的事件推送
                     case 'pic_sysphoto':
                         $data = self::eventPicSysPhoto($request);
                         break;
+                    //自定义菜单 - 弹出拍照或者相册发图的事件推送
                     case 'pic_photo_or_album':
                         $data = self::eventPicPhotoOrAlbum($request);
                         break;
+                    //自定义菜单 - 弹出微信相册发图器的事件推送
                     case 'pic_weixin':
                         $data = self::eventPicWeixin($request);
                         break;
+                    //自定义菜单 - 弹出地理位置选择器的事件推送
                     case 'location_select':
                         $data = self::eventLocationSelect($request);
                         break;
+                    //取消关注
                     case 'unsubscribe':
                         $data = self::eventUnsubscribe($request);
                         break;
+                    //群发接口完成后推送的结果
                     case 'masssendjobfinish':
                         $data = self::eventMassSendJobFinish($request);
                         break;
+                    //模板消息完成后推送的结果
                     case 'templatesendjobfinish':
                         $data = self::eventTemplateSendJobFinish($request);
                         break;
@@ -62,24 +90,31 @@ class WechatRequest{
                         break;
                 }
                 break;
+            //文本
             case 'text':
                 $data = self::text($request);
                 break;
+            //图像
             case 'image':
                 $data = self::image($request);
                 break;
+            //语音
             case 'voice':
                 $data = self::voice($request);
                 break;
+            //视频
             case 'video':
                 $data = self::video($request);
                 break;
+            //小视频
             case 'shortvideo':
                 $data = self::shortvideo($request);
                 break;
+            //位置
             case 'location':
                 $data = self::location($request);
                 break;
+            //链接
             case 'link':
                 $data = self::link($request);
                 break;
@@ -90,16 +125,32 @@ class WechatRequest{
         return $data;
     }
 
+
+    /**
+     * @descrpition 文本
+     * @param $request
+     * @return array
+     */
     public static function text(&$request){
         $content = '收到文本消息';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 图像
+     * @param $request
+     * @return array
+     */
     public static function image(&$request){
         $content = '收到图片';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 语音
+     * @param $request
+     * @return array
+     */
     public static function voice(&$request){
         if(!isset($request['recognition'])){
             $content = '收到语音';
@@ -110,64 +161,127 @@ class WechatRequest{
         }
     }
 
+    /**
+     * @descrpition 视频
+     * @param $request
+     * @return array
+     */
     public static function video(&$request){
         $content = '收到视频';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 视频
+     * @param $request
+     * @return array
+     */
     public static function shortvideo(&$request){
         $content = '收到小视频';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 地理
+     * @param $request
+     * @return array
+     */
     public static function location(&$request){
         $content = '收到上报的地理位置';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 链接
+     * @param $request
+     * @return array
+     */
     public static function link(&$request){
         $content = '收到连接';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 关注
+     * @param $request
+     * @return array
+     */
     public static function eventSubscribe(&$request){
         $content = '欢迎您关注我们的微信，将为您竭诚服务';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 取消关注
+     * @param $request
+     * @return array
+     */
     public static function eventUnsubscribe(&$request){
         $content = '为什么不理我了？';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 扫描二维码关注（未关注时）
+     * @param $request
+     * @return array
+     */
     public static function eventQrsceneSubscribe(&$request){
         $content = '欢迎您关注我们的微信，将为您竭诚服务';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 扫描二维码（已关注时）
+     * @param $request
+     * @return array
+     */
     public static function eventScan(&$request){
         $content = '您已经关注了哦～';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 上报地理位置
+     * @param $request
+     * @return array
+     */
     public static function eventLocation(&$request){
         $content = '收到上报的地理位置';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 点击菜单拉取消息时的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventClick(&$request){
+		//获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到点击菜单事件，您设置的key是' . $eventKey;
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 点击菜单跳转链接时的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventView(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到跳转链接事件，您设置的key是' . $eventKey;
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 扫码推事件的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventScancodePush(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到扫码推事件的事件，您设置的key是' . $eventKey;
         $content .= '。扫描信息：'.$request['scancodeinfo'];
@@ -176,7 +290,13 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 扫码推事件且弹出“消息接收中”提示框的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventScancodeWaitMsg(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到扫码推事件且弹出“消息接收中”提示框的事件，您设置的key是' . $eventKey;
         $content .= '。扫描信息：'.$request['scancodeinfo'];
@@ -185,7 +305,13 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 弹出系统拍照发图的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventPicSysPhoto(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到弹出系统拍照发图的事件，您设置的key是' . $eventKey;
         $content .= '。发送的图片信息：'.$request['sendpicsinfo'];
@@ -195,7 +321,13 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 弹出拍照或者相册发图的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventPicPhotoOrAlbum(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到弹出拍照或者相册发图的事件，您设置的key是' . $eventKey;
         $content .= '。发送的图片信息：'.$request['sendpicsinfo'];
@@ -205,7 +337,14 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
-    Key = $request['eventkey'];
+    /**
+     * @descrpition 自定义菜单 - 弹出微信相册发图器的事件推送
+     * @param $request
+     * @return array
+     */
+    public static function eventPicWeixin(&$request){
+        //获取该分类的信息
+        $eventKey = $request['eventkey'];
         $content = '收到弹出微信相册发图器的事件，您设置的key是' . $eventKey;
         $content .= '。发送的图片信息：'.$request['sendpicsinfo'];
         $content .= '。发送的图片数量：'.$request['count'];
@@ -214,7 +353,13 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * @descrpition 自定义菜单 - 弹出地理位置选择器的事件推送
+     * @param $request
+     * @return array
+     */
     public static function eventLocationSelect(&$request){
+        //获取该分类的信息
         $eventKey = $request['eventkey'];
         $content = '收到点击跳转事件，您设置的key是' . $eventKey;
         $content .= '。发送的位置信息：'.$request['sendlocationinfo'];
@@ -226,26 +371,49 @@ class WechatRequest{
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * 群发接口完成后推送的结果
+     *
+     * 本消息有公众号群发助手的微信号“mphelper”推送的消息
+     * @param $request
+     */
     public static function eventMassSendJobFinish(&$request){
+        //发送状态，为“send success”或“send fail”或“err(num)”。但send success时，也有可能因用户拒收公众号的消息、系统错误等原因造成少量用户接收失败。err(num)是审核失败的具体原因，可能的情况如下：err(10001), //涉嫌广告 err(20001), //涉嫌政治 err(20004), //涉嫌社会 err(20002), //涉嫌色情 err(20006), //涉嫌违法犯罪 err(20008), //涉嫌欺诈 err(20013), //涉嫌版权 err(22000), //涉嫌互推(互相宣传) err(21000), //涉嫌其他
         $status = $request['status'];
+        //计划发送的总粉丝数。group_id下粉丝数；或者openid_list中的粉丝数
         $totalCount = $request['totalcount'];
+        //过滤（过滤是指特定地区、性别的过滤、用户设置拒收的过滤，用户接收已超4条的过滤）后，准备发送的粉丝数，原则上，FilterCount = SentCount + ErrorCount
         $filterCount = $request['filtercount'];
+        //发送成功的粉丝数
         $sentCount = $request['sentcount'];
+        //发送失败的粉丝数
         $errorCount = $request['errorcount'];
         $content = '发送完成，状态是'.$status.'。计划发送总粉丝数为'.$totalCount.'。发送成功'.$sentCount.'人，发送失败'.$errorCount.'人。';
         return ResponsePassive::text($request['fromusername'], $request['tousername'], $content);
     }
 
+    /**
+     * 群发接口完成后推送的结果
+     *
+     * 本消息有公众号群发助手的微信号“mphelper”推送的消息
+     * @param $request
+     */
     public static function eventTemplateSendJobFinish(&$request){
+        //发送状态，成功success，用户拒收failed:user block，其他原因发送失败failed: system failed
         $status = $request['status'];
         if($status == 'success'){
+            //发送成功
         }else if($status == 'failed:user block'){
+            //因为用户拒收而发送失败
         }else if($status == 'failed: system failed'){
+            //其他原因发送失败
         }
         return true;
     }
 
+
     public static function test(){
+        // 第三方发送消息给公众平台
         $encodingAesKey = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG";
         $token = "pamtest";
         $timeStamp = "1409304348";
@@ -273,6 +441,7 @@ class WechatRequest{
         $format = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%s]]></Encrypt></xml>";
         $from_xml = sprintf($format, $encrypt);
 
+// 第三方收到公众号平台发送的消息
         $msg = '';
         $errCode = $pc->decryptMsg($msg_sign, $timeStamp, $nonce, $from_xml, $msg);
         if ($errCode == 0) {
@@ -281,6 +450,5 @@ class WechatRequest{
             print($errCode . "\n");
         }
     }
-}
-
 
+}