diff --git a/static/css/main.css b/static/css/main.css
index fac6a9df..61ce005b 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -2772,10 +2772,12 @@ button:focus {
 .sketch-mid,
 .xmind-mid,
 .zip-mid,
+.svg-mid,
 .video-mid{
 	position: relative;
     top: 18px;
-    left: 15px;
+	left: 15px;
+	background-size:80% 76%;
 }
 .txt {
 	background: url("/static/img/fileType/txt.svg") no-repeat;
@@ -2898,10 +2900,10 @@ button:focus {
 	background: url("/static/img/bgtupian.png") no-repeat -2051px -200px;
 }
 .dwg{
-	background: url("/static/img/bgtupian.png") no-repeat -2880px 0;
+	background: url("/static/img/fileType/dwg.svg") no-repeat ;
 }
 .dwg-mid{
-	background: url("/static/img/bgtupian.png") no-repeat -2183px -200px;
+	background: url("/static/img/fileType/dwg.svg") no-repeat ;
 }
 /* yun icon end */
 .svfzip {