diff --git a/_less/screen.less b/_less/screen.less
index dda2d399..d489ce0a 100644
--- a/_less/screen.less
+++ b/_less/screen.less
@@ -788,15 +788,15 @@ table td,table th{
 }
 .anchorAf a{
 	display:none;
-}
-.anchorAf:hover a{
-	display:block;
 	position:absolute;
 	width:24px;
 	left:-24px;
 	bottom:0;
 	top:0;
-	background:url(/img/mini_ico_anchor.png) no-repeat center center;
+	background:url(/img/mini_ico_anchor.svg) no-repeat center center;
+}
+.anchorAf:hover a{
+	display:block;
 }
 
 .develdocdisclaimer{