diff --git a/README.md b/README.md
index 2f49788..b4cd5db 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # myCobotROS
 
 <!-- This is the mycobot ROS package designed by Zhang Lijun([lijun.zhang@elephantrobotics.com]()) -->
-> Make sure that the top is flashed into `Atom2.lalpha` and the base is flashed into `Transponder`.<br>
+> Make sure that the top is flashed into `Atom2.lalpha` and the basic is flashed into `Transponder`.<br>
 > ubuntu: 16.04LTS<br>
 > ros version: 1.12.17
 
diff --git a/launch/control.launch b/launch/control.launch
index f8a10b0..31bf306 100644
--- a/launch/control.launch
+++ b/launch/control.launch
@@ -1,5 +1,5 @@
 <launch>
-	<arg name="model" default="$(find beginner_tutorials)/urdf/mycobot_urdf.urdf"/>
+	<arg name="model" default="$(find myCobotROS)/urdf/mycobot_urdf.urdf"/>
 	<param name="robot_description" command="$(find xacro)/xacro --inorder $(arg model)" />
 	<node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
 
diff --git a/launch/mycobot.launch b/launch/mycobot.launch
index da95f62..bc50e7a 100644
--- a/launch/mycobot.launch
+++ b/launch/mycobot.launch
@@ -1,5 +1,5 @@
 <launch>
-	<arg name="model" default="$(find beginner_tutorials)/urdf/mycobot_urdf.urdf"/>
+	<arg name="model" default="$(find myCobotROS)/urdf/mycobot_urdf.urdf"/>
 	<param name="robot_description" command="$(find xacro)/xacro --inorder $(arg model)" />
 	<node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />