diff --git a/src/stores/Reservation.js b/src/stores/Reservation.js
index c73b5ca..0705a94 100644
--- a/src/stores/Reservation.js
+++ b/src/stores/Reservation.js
@@ -70,7 +70,8 @@ class Reservation {
                 PCI_SendDate: data.PCI_SendDate,
                 ConfirmPerson: data.ConfirmPerson,
                 PCI_ConfirmText: data.PCI_ConfirmText,
-                PCI_ConfirmDate: data.PCI_ConfirmDate
+                PCI_ConfirmDate: data.PCI_ConfirmDate,
+                VAS_SN: data.PCI_VAS_SN
               }
             });
           });
@@ -152,6 +153,8 @@ class Reservation {
     formData.append('PCI_SN', this.selectedConfirmation.key);
     formData.append('OPSN', this.root.authStore.login.userId);
     formData.append('ConfirmText', confirmText);
+    formData.append('VAS_SN', this.selectedConfirmation.VAS_SN);
+    
     const postUrl = HT_HOST + '/service-cusservice/PTConfirmPlanChange';
 
     return postForm(postUrl, formData)