diff --git a/zto b/zto
index c6949aa..db952a0 160000
--- a/zto
+++ b/zto
@@ -1 +1 @@
-Subproject commit c6949aad2ddacf36f191bbda58450ae57d9c59c3
+Subproject commit db952a050a727717a5cd836c79a50d7504a9b9ef