diff --git a/internal/service/cmb.go b/internal/service/cmb.go
index 7c8f8bf..5b8035b 100644
--- a/internal/service/cmb.go
+++ b/internal/service/cmb.go
@@ -48,6 +48,9 @@ func (s *VoucherService) CmbOrder(ctx http.Context) error {
 		return ctx.JSON(400, err)
 	}
 
+	replyBytes, _ := json.Marshal(reply)
+	log.Warnf("cmbOrder reply: %v", string(replyBytes))
+
 	return ctx.JSON(200, reply)
 }
 
@@ -122,6 +125,8 @@ func (s *VoucherService) CmbQuery(ctx http.Context) error {
 		return ctx.JSON(400, err)
 	}
 
+	replyBytes, _ := json.Marshal(reply)
+	log.Warnf("cmbQuery reply: %v", string(replyBytes))
 	return ctx.JSON(200, reply)
 }