diff --git a/adapter/provider/provider.go b/adapter/provider/provider.go
index 30f8d61b..2d449aed 100644
--- a/adapter/provider/provider.go
+++ b/adapter/provider/provider.go
@@ -40,7 +40,8 @@ func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 		"type":        pp.Type().String(),
 		"vehicleType": pp.VehicleType().String(),
 		"proxies":     pp.Proxies(),
-		"updatedAt":   pp.updatedAt,
+		//TODO maybe error because year value overflow
+		"updatedAt": pp.updatedAt,
 	})
 }