diff --git a/lib/filter/video.js b/lib/filter/video.js
index 51fce9f..f025016 100644
--- a/lib/filter/video.js
+++ b/lib/filter/video.js
@@ -25,7 +25,7 @@ module.exports.filter_video = function(result){
       
       // I check required attributes in <amp-video> .
       if( !$(this).attr( "width" ) || !$(this).attr("height") || !$(this).attr("poster") ){
-        lg.log("warn", "<video> should contain width and height and poster attribute. " , post.source);
+        lg.log("warn", "<video> should contain width and height and poster attribute. " , result.post.source);
       }
       
       // createElement
diff --git a/package.json b/package.json
index 0a24658..a05ac95 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-generator-amp",
-  "version": "2.0.6",
+  "version": "2.0.7",
   "main": "index",
   "dependencies": {
     "amphtml-validator": "^1.0.18",