diff --git a/app/Service/Admin/Coupon/DispenseService.php b/app/Service/Admin/Coupon/DispenseService.php
index 89c2c3f..6080996 100644
--- a/app/Service/Admin/Coupon/DispenseService.php
+++ b/app/Service/Admin/Coupon/DispenseService.php
@@ -89,7 +89,7 @@ class DispenseService extends BaseService
 
         foreach ($list['data'] as &$item) {
             $item['template_info'] = $templateList[$item['coupon_template_id']];
-            $item['appoint_value'] = json_decode($item['appoint_value'],true);
+            $item['appoint_value'] = !empty($item['appoint_value']) ? json_decode($item['appoint_value'],true) : '';
             $item['validity_time_value'] = json_decode($item['validity_time_value'],true);
         }