diff --git a/zto b/zto
index e482338..ee1dc16 160000
--- a/zto
+++ b/zto
@@ -1 +1 @@
-Subproject commit e4823381c66917746abb0f8d13281d61daa2f112
+Subproject commit ee1dc16e8ffc5c5cc8f3b5da97cf2d01c7604ab7