diff --git a/mobile/video.html b/mobile/video.html
index 7d81ef0..7a332fd 100644
--- a/mobile/video.html
+++ b/mobile/video.html
@@ -184,7 +184,7 @@ $(function(){
             var list=data.topic;
             var details=JSON.parse(list.content)  
             $("title").text(details.title)
-            $(".Thumbnail").attr("content",'https://zhibocdn.yabolive.net/comm'+details.videos[0].cover.split('?')[0]+'')
+            $(".Thumbnail").attr("content",'https://zhibocdn.yabolive.net/comm'+details.videos[0].cover.split('?')[0]+'?x-oss-process=video/snapshot,t_100000,f_jpg,w_1280,h_0,m_fast,f_jpg')
             var ua = window.navigator.userAgent.toLowerCase();
             if (/iphone|ipad|ipod/.test(ua)) {
                 var iosUrl=details.videos[0].url.replace("flv","mp4")