diff --git a/mycobot_ai/ai_mypalletizer_260/launch/vision_m5.launch b/mycobot_ai/ai_mypalletizer_260/launch/vision_m5.launch
index 4805952..5ccc69c 100644
--- a/mycobot_ai/ai_mypalletizer_260/launch/vision_m5.launch
+++ b/mycobot_ai/ai_mypalletizer_260/launch/vision_m5.launch
@@ -1,5 +1,5 @@
 <launch>
-	<arg name="port" default="/dev/ttyUSB1" />
+	<arg name="port" default="/dev/ttyUSB0" />
 	<arg name="baud" default="115200" />
 
 	<arg name="model" default="$(find mycobot_description)/urdf/260_urdf/mypal_260_aikit.urdf"/>
diff --git a/mypalletizer_260/mypalletizer_260/scripts/follow_display.py b/mypalletizer_260/mypalletizer_260/scripts/follow_display.py
old mode 100644
new mode 100755
index 74524c3..ad54a1b
--- a/mypalletizer_260/mypalletizer_260/scripts/follow_display.py
+++ b/mypalletizer_260/mypalletizer_260/scripts/follow_display.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# encoding=utf-8
 import time
 
 import rospy
diff --git a/mypalletizer_260/mypalletizer_260/scripts/listen_real.py b/mypalletizer_260/mypalletizer_260/scripts/listen_real.py
old mode 100644
new mode 100755
index 76171ba..3c9cdee
--- a/mypalletizer_260/mypalletizer_260/scripts/listen_real.py
+++ b/mypalletizer_260/mypalletizer_260/scripts/listen_real.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python2
+# encoding=utf-8
 # license removed for brevity
 import time
 import math
diff --git a/mypalletizer_260/mypalletizer_260/scripts/teleop_keyboard.py b/mypalletizer_260/mypalletizer_260/scripts/teleop_keyboard.py
old mode 100644
new mode 100755
index a1ff7cb..9357f5f
--- a/mypalletizer_260/mypalletizer_260/scripts/teleop_keyboard.py
+++ b/mypalletizer_260/mypalletizer_260/scripts/teleop_keyboard.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# encoding=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
diff --git a/mypalletizer_260/mypalletizer_communication/scripts/mypal_services.py b/mypalletizer_260/mypalletizer_communication/scripts/mypal_services.py
old mode 100644
new mode 100755