diff --git a/themes/beauty/controller/SiteController.php b/themes/beauty/controller/SiteController.php
index ac50ebf..7d61c34 100644
--- a/themes/beauty/controller/SiteController.php
+++ b/themes/beauty/controller/SiteController.php
@@ -283,20 +283,33 @@ Class SiteController extends Controller {
         return $this->renderJson(compact('code', 'msg', 'meta'));
     }
 
-    //保存视频meta数据到缓存
+    //保存视频meta数据到缓存，支持手动生成
     public function actionSavevideometa() {
         $code = 0;
         $msg = 'OK';
 
         $videoId = $this->post('id', '');
         $metaData = $this->post('meta', '');
+        $manual = $this->post('manual', 0);
         if (empty($videoId) || empty($metaData)) {
             $code = 0;
             $msg = '参数不能为空';
         }else {
             $cacheKey = $this->getCacheKey($videoId, 'vmeta');
             $cacheSubDir = 'video';
-            $saved = Common::saveCacheToFile($cacheKey, $metaData, $cacheSubDir);
+            $saved = true;
+
+            if (!empty($manual)) {
+                $metaData['manual'] = 1;
+                $saved = Common::saveCacheToFile($cacheKey, $metaData, $cacheSubDir);
+            }else {
+                $expireSeconds = 86400*30;  //有效期30天
+                $cachedData = Common::getCacheFromFile($cacheKey, $expireSeconds, $cacheSubDir);
+                if (empty($cachedData) || empty($cachedData['manual'])) {
+                    $saved = Common::saveCacheToFile($cacheKey, $metaData, $cacheSubDir);
+                }
+            }
+
             if ($saved !== false) {
                 $code = 1;
             }
diff --git a/www/js/beauty.js b/www/js/beauty.js
index d511d72..01f7c78 100644
--- a/www/js/beauty.js
+++ b/www/js/beauty.js
@@ -304,15 +304,20 @@ $('.video-poster').each(function(index, el) {
 });
 
 //保存视频数据
-var saveVideoMeta = function(videoId, metaData) {
+var saveVideoMeta = function(videoId, metaData, manual) {
+    var params = {
+            id: videoId,
+            meta: metaData
+        };
+    if (typeof(manual) != 'undefined' && manual) {
+        params.manual = 1;
+    }
+
     $.ajax({
         url: '/site/savevideometa',
         method: 'POST',
         dataType: 'json',
-        data: {
-            id: videoId,
-            meta: metaData
-        }
+        data: params
     }).done(function(data) {
         if (data.code != 1) {
             console.warn('视频数据保存失败', data.msg);
@@ -331,7 +336,7 @@ if ($('#my-player').length > 0 && typeof(videojs) != 'undefined') {
         preload: 'auto'
     });
 
-    var takeScreenshot = function() {
+    var takeScreenshot = function(manual) {
         //myPlayer.pause();
 
         var height = myPlayer.videoHeight(), width = myPlayer.videoWidth(),
@@ -351,7 +356,7 @@ if ($('#my-player').length > 0 && typeof(videojs) != 'undefined') {
             saveVideoMeta($('video.vjs-tech').attr('data-id'), {
                 duration: duration,
                 snapshot: snapshotImg
-            });
+            }, manual);
         }
 
         //myPlayer.play();
@@ -371,7 +376,15 @@ if ($('#my-player').length > 0 && typeof(videojs) != 'undefined') {
         setTimeout(takeScreenshot, screenshot_start);
     });
 
-    $('.btn-snapshot').click(function() {
-        takeScreenshot();
+    $('.btn-snapshot').click(function(e) {
+        var clickedBtn = $(e.target);
+        clickedBtn.prop('disabled', true);
+
+        var manual = 1;
+        takeScreenshot(manual);
+
+        setTimeout(function() {
+            clickedBtn.prop('disabled', false);
+        }, 3000);
     });
 }
\ No newline at end of file