diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/detect_marker.py b/mypalletizer_260/mypalletizer_260_pi/scripts/detect_marker.py
index cae6db2..4fb2b71 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/detect_marker.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/detect_marker.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 import rospy
 import cv2 as cv
 import numpy as np
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/follow_and_pump.py b/mypalletizer_260/mypalletizer_260_pi/scripts/follow_and_pump.py
index f62112b..15ea732 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/follow_and_pump.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/follow_and_pump.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2
-# coding:utf-8
+# -*- coding: utf-8 -*-
 import rospy
 from visualization_msgs.msg import Marker
 import time
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/follow_display.py b/mypalletizer_260/mypalletizer_260_pi/scripts/follow_display.py
index 74524c3..15576dc 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/follow_display.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/follow_display.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# -*- coding: utf-8 -*-
 import time
 
 import rospy
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/following_marker.py b/mypalletizer_260/mypalletizer_260_pi/scripts/following_marker.py
index 144a52d..5bb0065 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/following_marker.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/following_marker.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# -*- coding: utf-8 -*-
 import time
 
 import rospy
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real.py b/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real.py
index 76171ba..cd93e2b 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# -*- coding: utf-8 -*-
 # license removed for brevity
 import time
 import math
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real_of_topic.py b/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real_of_topic.py
index 44dcd83..2b9e405 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real_of_topic.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/listen_real_of_topic.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# -*- coding: utf-8 -*-
 import math
 
 import rospy
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/slider_control.py b/mypalletizer_260/mypalletizer_260_pi/scripts/slider_control.py
index bd2d246..5f8cfb0 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/slider_control.py
+++ b/mypalletizer_260/mypalletizer_260_pi/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,
diff --git a/mypalletizer_260/mypalletizer_260_pi/scripts/teleop_keyboard.py b/mypalletizer_260/mypalletizer_260_pi/scripts/teleop_keyboard.py
index a2fdf82..c712a80 100644
--- a/mypalletizer_260/mypalletizer_260_pi/scripts/teleop_keyboard.py
+++ b/mypalletizer_260/mypalletizer_260_pi/scripts/teleop_keyboard.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 from __future__ import print_function
 # from mycobot_communication.srv import GetCoords, SetCoords, GetAngles, SetAngles, GripperStatus
 from mypalletizer_communication.srv import GetCoords, SetCoords, GetAngles, SetAngles, GripperStatus