diff --git a/view/molistar/modules/pay/js/index.js b/view/molistar/modules/pay/js/index.js
index 98dafb4..9283159 100644
--- a/view/molistar/modules/pay/js/index.js
+++ b/view/molistar/modules/pay/js/index.js
@@ -588,14 +588,14 @@ $('.sure .sure_in .ok').click(function () {
 })
 
 //返回页面 重新请求接口
-// var hiddenProperty = 'hidden' in document ? 'hidden' :
-//     'webkitHidden' in document ? 'webkitHidden' :
-//         'mozHidden' in document ? 'mozHidden' : null;
+var hiddenProperty = 'hidden' in document ? 'hidden' :
+    'webkitHidden' in document ? 'webkitHidden' :
+        'mozHidden' in document ? 'mozHidden' : null;
 
-// var visibilityChangeEvent = hiddenProperty.replace(/hidden/i, 'visibilitychange');
-// var onVisibilityChange = function () {
-//     if (!document[hiddenProperty]) {
-//         location.reload()
-//     }
-// }
-// document.addEventListener(visibilityChangeEvent, onVisibilityChange);
\ No newline at end of file
+var visibilityChangeEvent = hiddenProperty.replace(/hidden/i, 'visibilitychange');
+var onVisibilityChange = function () {
+    if (!document[hiddenProperty]) {
+        location.reload()
+    }
+}
+document.addEventListener(visibilityChangeEvent, onVisibilityChange);
\ No newline at end of file