diff --git a/plugins/TajianStats.php b/plugins/TajianStats.php
new file mode 100644
index 0000000..1888b10
--- /dev/null
+++ b/plugins/TajianStats.php
@@ -0,0 +1,104 @@
+<?php
+/**
+ * Ta荐的核心指标
+ */
+Class TajianStats {
+	//注册用户总数
+	static $total_user = 0;
+	//收藏的视频总数
+	static $total_video = 0;
+	//添加的分类总数
+	static $total_tag = 0;
+
+	//上一次保存到缓存文件的时间
+	static $cache_save_time = 0;
+
+	static $cache_filename = 'tajian_stats.json';
+
+	//初始化数据，优先从本地缓存文件恢复数据
+	public static function init() {
+		$filepath = __DIR__ . '/../runtime/' . self::$cache_filename;
+
+		try {
+			if (file_exists($filepath)) {
+				$json = file_get_contents($filepath);
+				$stats = json_decode($json, true);
+				self::$total_user = $stats['user'];
+				self::$total_video = $stats['video'];
+				self::$total_tag = $stats['tag'];
+				self::$cache_save_time = $stats['cache_time'];
+			}
+		}catch(Exception $e) {
+			//文件读取异常
+		}
+
+		return self::get();
+	}
+
+	//保存到本地文件，规则：距离上一次保存时间至少间隔10分钟
+	public static function save() {
+		$saved = false;
+		$filepath = __DIR__ . '/../runtime/' . self::$cache_filename;
+
+		try {
+			self::$cache_save_time = time();	//记录更新时间
+			$stats = self::get();
+			$saved = file_put_contents($filepath, json_encode($stats));
+		}catch(Exception $e) {
+			//文件写入异常
+		}
+
+		return $saved !== false;
+	}
+
+	//返回统计数据
+	public static function get() {
+		return array(
+			'user' => self::$total_user,
+			'video' => self::$total_video,
+			'tag' => self::$total_tag,
+			'cache_time' => self::$cache_save_time,
+		);
+	}
+
+	public static function increase($data_type) {
+		$total = 0;
+
+		switch($data_type) {
+			case 'user':
+				self::$total_user ++;
+				$total = self::$total_user;
+				break;
+
+			case 'video':
+				self::$total_video ++;
+				$total = self::$total_video;
+				break;
+
+			case 'tag':
+				self::$total_tag ++;
+				$total = self::$total_tag;
+				break;
+		}
+
+		return $total;
+	}
+
+	public static function decrease($data_type) {
+		$total = 0;
+
+		switch($data_type) {
+			case 'video':
+				self::$total_video --;
+				$total = self::$total_video;
+				break;
+
+			case 'tag':
+				self::$total_tag --;
+				$total = self::$total_tag;
+				break;
+		}
+
+		return $total;
+	}
+}
\ No newline at end of file
diff --git a/themes/tajian/controller/FrontapiController.php b/themes/tajian/controller/FrontapiController.php
index d2fc2e6..ca5e26e 100644
--- a/themes/tajian/controller/FrontapiController.php
+++ b/themes/tajian/controller/FrontapiController.php
@@ -6,6 +6,7 @@ require_once __DIR__ . '/../../../lib/DirScanner.php';
 require_once __DIR__ . '/../../../plugins/Parsedown.php';
 require_once __DIR__ . '/../../../plugins/Html.php';
 require_once __DIR__ . '/../../../plugins/Common.php';
+require_once __DIR__ . '/../../../plugins/TajianStats.php';
 require_once __DIR__ . '/SiteController.php';
 
 Class FrontApiController extends SiteController {
@@ -128,7 +129,15 @@ Class FrontApiController extends SiteController {
         }
 
         if ($code == 1) {        //保存视频
-            $msg = $this->saveShareVideo($content, $title, $tagName) ? '视频保存完成，系统开始自动处理，1 - 3 分钟后刷新就能看到新添加的视频了。' : '视频保存失败，请稍后重试！';
+            $done = $this->saveShareVideo($content, $title, $tagName);
+            $msg = $done ? '视频保存完成，系统开始自动处理，1 - 3 分钟后刷新就能看到新添加的视频了。' : '视频保存失败，请稍后重试！';
+            
+            //更新统计数据
+            if ($done) {
+                $stats = TajianStats::init();
+                TajianStats::increase('video');
+                $saved = TajianStats::save();
+            }
         }
 
         return $this->renderJson(compact('code', 'msg', 'err'));
@@ -661,6 +670,11 @@ eof;
                         Common::saveFriendsCode($cellphone);
                         Common::initUserData($cellphone, $friends_code);
 
+                        //更新统计数据
+                        $stats = TajianStats::init();
+                        TajianStats::increase('user');
+                        $saved = TajianStats::save();
+
                         $shareUrl = "/{$newUser['username']}/";
                         $msg = "注册完成，开始收藏你喜欢的视频吧，正在为你跳转到专属网址...";
                         $code = 1;
@@ -924,6 +938,11 @@ eof;
                 //保存
                 $saved = $this->deleteTag($tag_to_delete);
                 if (!empty($saved)) {
+                    //更新统计数据
+                    $stats = TajianStats::init();
+                    TajianStats::decrease('tag');
+                    $saved = TajianStats::save();
+
                     $msg = "分类已删除";
                     $code = 1;
                 }else {
@@ -998,6 +1017,11 @@ eof;
                     //保存
                     $saved = $this->addTag(ucfirst($tag_to_add));
                     if (!empty($saved)) {
+                        //更新统计数据
+                        $stats = TajianStats::init();
+                        TajianStats::increase('tag');
+                        $saved = TajianStats::save();
+
                         $msg = "分类已添加";
                         $code = 1;
                     }else {
@@ -1070,6 +1094,12 @@ eof;
                 //删除此视频的所有文件
                 $saved = $this->deleteVideoFiles($video_filename);
                 if (!empty($saved)) {
+                    //更新统计数据
+                    $stats = TajianStats::init();
+                    TajianStats::decrease('video');
+                    $saved = TajianStats::save();
+
+
                     $msg = "视频已删除";
                     $code = 1;
                 }else {
diff --git a/themes/tajian/controller/SiteController.php b/themes/tajian/controller/SiteController.php
index 0b0364f..7330bc0 100644
--- a/themes/tajian/controller/SiteController.php
+++ b/themes/tajian/controller/SiteController.php
@@ -5,6 +5,7 @@
 require_once __DIR__ . '/../../../lib/DirScanner.php';
 require_once __DIR__ . '/../../../plugins/Parsedown.php';
 require_once __DIR__ . '/../../../plugins/Common.php';
+require_once __DIR__ . '/../../../plugins/TajianStats.php';
 
 Class SiteController extends Controller {
 
@@ -207,6 +208,11 @@ Class SiteController extends Controller {
                         rename($tagFile, $newTagFile);
                     }else {
                         unlink($tagFile);
+
+                        //更新统计数据
+                        $stats = TajianStats::init();
+                        TajianStats::decrease('tag');
+                        $saved = TajianStats::save();
                     }
                 }
             }