diff --git a/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_follow_display.py b/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_follow_display.py
index 483f3ec..7e0f531 100755
--- a/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_follow_display.py
+++ b/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_follow_display.py
@@ -16,7 +16,7 @@ def talker():
 
     print("Try connect real mycobot...")
     port = rospy.get_param("~port", "/dev/ttyAMA0")
-    baud = rospy.get_param("~baud", 1000000)
+    baud = rospy.get_param("~baud", 115200)
     print("port: {}, baud: {}\n".format(port, baud))
     try:
         mycobot = MyCobot(port, baud)
diff --git a/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_slider.py b/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_slider.py
index 06900fa..4a9ffb4 100755
--- a/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_slider.py
+++ b/mycobot_320/new_mycobot_320_pi/scripts/mycobot_320_slider.py
@@ -37,7 +37,7 @@ def listener():
 
     rospy.Subscriber("joint_states", JointState, callback)
     port = rospy.get_param("~port", "/dev/ttyAMA0")
-    baud = rospy.get_param("~baud", 1000000)
+    baud = rospy.get_param("~baud", 115200)
     print(port, baud)
     mc = MyCobot(port, baud)