diff --git a/wwwroot/api/supply_contracts_create.dspy b/wwwroot/api/supply_contracts_create.dspy
index 4bd9231..449045e 100644
--- a/wwwroot/api/supply_contracts_create.dspy
+++ b/wwwroot/api/supply_contracts_create.dspy
@@ -3,11 +3,13 @@ user_id = await get_user()
 user_orgid = (await get_userorgid()) or '0'
 dbname = get_module_dbname('supplychain')
 
-data = dict(params_kw)
-# Clean non-table params and _text suffix fields
-for key in list(data.keys()):
-	if key.startswith('_') or key.endswith('_text') or key in ['page', 'rows', 'data_filter', 'pagerows', 'referer_widget']:
-		data.pop(key, None)
+# Only keep known table columns
+known_cols = {'contract_name', 'sign_date', 'start_date', 'end_date', 'status', 'default_discount', 'remark', 'supplier_id', 'contract_code'}
+data = {}
+for k, v in params_kw.items():
+	if k in known_cols and v is not None and v != '':
+		data[k] = v
+
 data['id'] = getID()
 data['resellerid'] = user_orgid
 data['created_by'] = user_id