diff --git a/payapi-spec/payapi-spec.yaml b/payapi-spec/payapi-spec.yaml
index 91197ef..6a617af 100644
--- a/payapi-spec/payapi-spec.yaml
+++ b/payapi-spec/payapi-spec.yaml
@@ -13,7 +13,7 @@
     $ref: consumeapi.yaml#/components/paths/qrcodePayQuery
   /consume/refund:
     $ref: consumeapi.yaml#/components/paths/refund
-  /consume/refund/query/{billno}:
+  /consume/refund/query/{refno}:
     $ref: consumeapi.yaml#/components/paths/refundQuery
   /account/query:
     $ref: accountapi.yaml#/components/paths/accountQuery