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js/util.js

@@ -811,7 +811,7 @@ function uiConfirm(n) {
         });
         $Box.css({
             // 重置提示框位置
-            "top": (($(window).height() - $Box.height()) / 2),
+            "top": ((window.screen.availHeight - $Box.height()) / 2),
             "left": (($(window).width() - $Box.width()) / 2)
         });
         uiAlert.ie();