diff --git a/nnet/util.go b/nsys/netx/util.go
similarity index 98%
rename from nnet/util.go
rename to nsys/netx/util.go
index 4542320..4e56739 100644
--- a/nnet/util.go
+++ b/nsys/netx/util.go
@@ -1,4 +1,4 @@
-package nnet
+package netx
 
 import (
 	"net"