diff --git a/route/static/app/files.js b/route/static/app/files.js
index a1cf87c63..e482a4cb8 100755
--- a/route/static/app/files.js
+++ b/route/static/app/files.js
@@ -1365,6 +1365,7 @@ function getImage(fileName){
 	var imgUrl = '/files/download?filename='+fileName;
 	layer.open({
 		type:1,
+		offset: '150px',
 		closeBtn: 1,
 		title:"图片预览",
 		area: '400px',