diff --git a/wwwroot/discount_setting/index.ui b/wwwroot/discount_setting/index.ui
index f7901e7..531e75e 100644
--- a/wwwroot/discount_setting/index.ui
+++ b/wwwroot/discount_setting/index.ui
@@ -1,6 +1,4 @@
 {% set products = get_discount_setting_products(request) %}
-{% set save_url = entire_url('./save_discount.dspy') %}
-{% set disc_id = params_kw.discountid %}
 {
 	"widgettype": "VBox",
 	"options": {
@@ -63,23 +61,31 @@
 								{"widgettype": "Text", "options": {"text": "{{p.product_name or ''}}", "width": "34%", "padding": "0 12px", "fontSize": "12px", "color": "#F1F5F9"}},
 								{"widgettype": "Text", "options": {"text": "{{p.product_code or ''}}", "width": "22%", "padding": "0 12px", "fontSize": "12px", "color": "#E2E8F0"}},
 								{
-									"widgettype": "VBox",
+									"widgettype": "UiFloat",
 									"options": {
 										"width": "22%",
 										"padding": "0 12px",
-										"data-pid": "{{p.productid}}",
-										"data-did": "{{p.detail_id or ''}}"
+										"name": "discount",
+										"value": "{{p.discount or ''}}",
+										"placeholder": "0~1",
+										"dec_len": 2,
+										"fontSize": "12px"
 									},
-									"subwidgets": [
+									"binds": [
 										{
-											"widgettype": "UiFloat",
+											"wid": "self",
+											"event": "blur",
+											"actiontype": "urlwidget",
+											"datawidget": "self",
+											"target": "self",
 											"options": {
-												"width": "100%",
-												"name": "discount",
-												"value": "{{p.discount or ''}}",
-												"placeholder": "0~1",
-												"dec_len": 2,
-												"fontSize": "12px"
+												"url": "{{entire_url('./save_discount.dspy')}}",
+												"params": {
+													"discountid": "{{params_kw.discountid}}",
+													"old_discount": "{{p.discount or ''}}",
+													"productid": "{{p.productid}}",
+													"detail_id": "{{p.detail_id or ''}}"
+												}
 											}
 										}
 									]
@@ -90,14 +96,6 @@
 					]
 				}
 			]
-		],
-		"binds": [
-			{
-				"wid": "self",
-				"event": "focusin",
-				"actiontype": "script",
-				"target": "self",
-				"script": "if(window._discSetupDone)return;window._discSetupDone=true;setInterval(function(){document.querySelectorAll('[data-pid] input[type=number]').forEach(function(inp){if(inp._db)return;inp._db=true;inp.addEventListener('blur',function(){var nv=inp.value;var w=inp.closest('[data-pid]');fetch('{{save_url}}',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({discountid:'{{disc_id}}',productid:w.getAttribute('data-pid'),detail_id:w.getAttribute('data-did')||'',discount:nv})}).then(function(r){return r.json()}).then(function(r){if(r.widgettype==='Error')bricks.show_error(r.options)}).catch(function(e){console.error(e)})})})},500)"
-			}
-		]
 		}
+	]
+}
diff --git a/wwwroot/discount_setting/save_discount.dspy b/wwwroot/discount_setting/save_discount.dspy
index be12f87..fca532e 100644
--- a/wwwroot/discount_setting/save_discount.dspy
+++ b/wwwroot/discount_setting/save_discount.dspy
@@ -1,54 +1,60 @@
-# Upsert折扣明细：有detail_id则更新，无则新增
-# 参数: discountid, productid, category_id, discount, detail_id(可选)
+# Upsert折扣明细：对比old_discount和discount，不同才更新
+# 参数: discountid, productid, discount, old_discount, detail_id(可选)
 
 result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}
 
 try:
     discountid = params_kw.get('discountid')
     productid = params_kw.get('productid')
-    category_id = params_kw.get('category_id')
     discount_val = params_kw.get('discount')
+    old_discount = params_kw.get('old_discount')
     detail_id = params_kw.get('detail_id')
-    
+
     if not discountid or not productid:
         raise Exception('缺少必要参数: discountid, productid')
-    
+
+    # 对比新旧值，相同则跳过
+    if discount_val is not None and old_discount is not None:
+        try:
+            if float(discount_val) == float(old_discount):
+                result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '折扣未变化', 'type': 'success'}}
+                return result
+        except:
+            pass
+
+    user_orgid = await get_userorgid()
+    dbname = get_module_dbname('discount')
+
     # discount为0或空时，如果已有记录则删除
     if not discount_val or float(discount_val) == 0:
         if detail_id:
-            dbname = get_module_dbname('discount')
             async with DBPools().sqlorContext(dbname) as sor:
                 await sor.D('discount_detail', {'id': detail_id})
             result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '折扣已清除', 'type': 'success'}}
         else:
             result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': 'ok', 'type': 'success'}}
         return result
-    
-    dbname = get_module_dbname('discount')
-    user_orgid = await get_userorgid()
-    
+
     async with DBPools().sqlorContext(dbname) as sor:
         if detail_id:
-            # 更新
             await sor.U('discount_detail', {
                 'id': detail_id,
                 'discount': float(discount_val)
             })
         else:
-            # 新增
             await sor.C('discount_detail', {
                 'id': getID(),
                 'discountid': discountid,
                 'resellerid': user_orgid,
-                'prodtypeid': category_id,
+                'prodtypeid': None,
                 'productid': productid,
                 'discount': float(discount_val)
             })
-    
+
     result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '折扣保存成功', 'type': 'success'}}
 
 except Exception as e:
-    debug(f'save_discount error: {e}')
+    debug(f'save_discount error: {format_exc()}')
     result['options'] = {'title': 'Error', 'message': f'保存失败: {str(e)}', 'type': 'error'}
 
 return result