diff --git a/services/skus/model/model.go b/services/skus/model/model.go
index 616ae2ec6..8065683b1 100644
--- a/services/skus/model/model.go
+++ b/services/skus/model/model.go
@@ -636,7 +636,7 @@ type ReceiptRequest struct {
 }
 
 type CreateOrderWithReceiptResponse struct {
-	ID string `json:"order_id"`
+	ID string `json:"orderId"`
 }
 
 func addURLParam(src, name, val string) (string, error) {