提交信息，关闭弹窗

@@ -52,6 +52,8 @@ var option = {
     ]
 };
 
+var refundConfirm = {};
+
 var Dialog = require('../common/dialog').Dialog;
 
 require('../plugins/jquery.qupload');
@@ -458,6 +460,7 @@ function loadWaiting(status) {
 }
 
 function saveRefundExchange(url, data) {
+    refundConfirm.close();
     loadWaiting(true);
     $.ajax({
         type: 'POST',
@@ -522,7 +525,7 @@ $('.save-btn').click(function() {
     }
 
     if (pageType) {
-        new Dialog($.extend(true, {}, option, {
+        refundConfirm = new Dialog($.extend(true, {}, option, {
             content: content,
             btns: [{
                 cb: function() {