diff --git a/unipay/payfee.py b/unipay/payfee.py
index 1b8895e..9316d86 100644
--- a/unipay/payfee.py
+++ b/unipay/payfee.py
@@ -79,7 +79,7 @@ async def sor_get_pay_fee(sor, providerid, amount):
 	if rec.fee_rate is None:
 		e = Exception(f'{providerid} channel has not defined fee rate')
 		exception(f'Exception:{e}')
-		raise e
-	
+		rec.fee_rate = 0.00
+	debug(f'{rec=}, {rec.fee_rate=}, {amount=}')
 	return rec.fee_rate * amount