diff --git a/unipay/payfee.py b/unipay/payfee.py
index 2723ea2..1b8895e 100644
--- a/unipay/payfee.py
+++ b/unipay/payfee.py
@@ -48,7 +48,7 @@ async def get_pay_feerate(sor, channelid):
 async def sor_get_pay_feerate(sor, channelid):
 	env = ServerEnv()
 	dbname = env.get_module_dbname('unipay')
-	biz_date = env.get_business_date(sor)
+	biz_date = await env.get_business_date(sor)
 	sql = """select
 a.id, a.name, b.fee_rate
 from paychannel a left join payfee b