diff --git a/zto b/zto
index f2c69ed..ee4783e 160000
--- a/zto
+++ b/zto
@@ -1 +1 @@
-Subproject commit f2c69ede9604f52da4aa885ae8d4d16a7f3fdabf
+Subproject commit ee4783e3fb975d73aabeaa433c346aea043908a9