diff --git a/mypalletizer_260/mypalletizer_260/scripts/slider_control.py b/mypalletizer_260/mypalletizer_260/scripts/slider_control.py
old mode 100644
new mode 100755
index bd2d246..9232ec8
--- a/mypalletizer_260/mypalletizer_260/scripts/slider_control.py
+++ b/mypalletizer_260/mypalletizer_260/scripts/slider_control.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# -*- coding:utf-8 -*-
 
 """[summary]
 This file obtains the joint angle of the manipulator in ROS,