diff --git a/wwwroot/promote.dspy b/wwwroot/promote.dspy
index 911928d..214f265 100644
--- a/wwwroot/promote.dspy
+++ b/wwwroot/promote.dspy
@@ -1,18 +1,14 @@
-# Customer promote page - scan QR code to claim discount
 code = params_kw.get('code', '')
-
 result = {
     "widgettype": "Form",
     "options": {
-        "width": "100%",
-        "height": "100%",
+        "width": "100%", "height": "100%",
         "url": "/discount/generate_qr.dspy?code=" + code,
         "method": "POST",
         "fields": [
             {"name": "valid_term", "label": "有效期", "uitype": "str", "tip": "格式：xY, xM, xD"},
-            {"name": "expired_date", "label": "促销失效日期", "uitype": "date", "tip": "需在此日期前使用"},
+            {"name": "expired_date", "label": "促销失效日期", "uitype": "date"},
             {"name": "discount", "label": "折扣", "uitype": "float", "tip": "0<折扣<1"}
         ]
-    },
-    "binds": [{"wid": "self", "event": "submited", "actiontype": "script", "target": "self", "script": "await bricks.show_resp_message_or_error(event.params)"}]
+    }
 }