diff --git a/public/assets/js/backend/shopro/coupon.js b/public/assets/js/backend/shopro/coupon.js
index 98dc0ac..5986fe3 100755
--- a/public/assets/js/backend/shopro/coupon.js
+++ b/public/assets/js/backend/shopro/coupon.js
@@ -423,13 +423,14 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                     }
 
                     function onChangeSelection(val) {
-                        state.selected = JSON.parse(JSON.stringify(val))
+                        state.selected = val
                         console.log(val)
                         console.log(JSON.parse(JSON.stringify(val)))
                     }
 
                     function onConfirm() {
-                        let ids = state.selected.map(obj => obj.id)
+                        let selectObj = JSON.parse(JSON.stringify(state.selected))
+                        let ids = selectObj.map(obj => obj.id)
                         Fast.api.ajax({
                             url: 'shopro/coupon/select',
                             type: 'GET',