diff --git a/public/stylesheets/css/popup.css b/public/stylesheets/css/popup.css
index 6c1a0af0a..20d08e508 100644
--- a/public/stylesheets/css/popup.css
+++ b/public/stylesheets/css/popup.css
@@ -231,7 +231,7 @@ a.exit { height:24px; display:block; width:80px; color:#000000; background:#c3c3
 .lh22{ line-height: 22px;}
 
 /*上传资源弹出框样式*/
-.popbox_polls{width:300px;height:100px;position:fixed !important;z-index:100;left:50%;top:50%;/*margin:-100px 0 0 -150px;*/  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81; overflow:auto;}
+.popbox_polls{width:300px;height:100px;position:fixed !important;z-index:100;left:40%;top:40%;/*margin:-100px 0 0 -150px;*/  background:#fff; -moz-border-radius:5px;  -webkit-border-radius:5px;  border-radius:5px; box-shadow:0px 0px 8px #194a81; overflow:auto;}
 .upload_con h2{ display:block; background:#eaeaea; font-size:14px; color:#343333; height:31px; width: auto;  margin-top:25px; padding-left:20px; padding-top:5px;}
 .upload_box{ width:430px; margin:15px auto;}