diff --git a/json/disabled/discount_detail_list.json b/json/disabled/discount_detail_list.json
index 3c78b0b..c621daf 100644
--- a/json/disabled/discount_detail_list.json
+++ b/json/disabled/discount_detail_list.json
@@ -28,7 +28,7 @@
           "event": "changed",
           "actiontype": "script",
           "target": "productid",
-          "script": "await this.loadData({prodtypeid: event});"
+          "script": "await this.loadData({prodtypeid: event.params.prodtypeid});"
         }
       ]
     }
diff --git a/wwwroot/discount_detail_list/index.ui b/wwwroot/discount_detail_list/index.ui
index 621df6d..24b0164 100644
--- a/wwwroot/discount_detail_list/index.ui
+++ b/wwwroot/discount_detail_list/index.ui
@@ -21,7 +21,7 @@
 					"event":"changed",
 					"actiontype":"script",
 					"target":"productid",
-					"script":"await this.loadData({prodtypeid: event});"
+					"script": "await this.loadData({prodtypeid: event.params.prodtypeid});"
 				}
 			]
 		},