%!s(int64=3) %!d(string=hai) anos · 11d938e36f
--- a/docs/chapt2/2.4动手玩ROS2.md
+++ b/docs/chapt2/2.4动手玩ROS2.md
@@ -78,7 +78,7 @@ ros2 run turtlesim turtle_teleop_key
 
				 Ctrl+Alt+T打开终端,输入下面的指令
			
 
				 
			
 
				 ```
			
 
				-ros2 run image_tool2 cam2image
			
 
				+ros2 run image_tools cam2image
			
 
				 ```
			
 
				 
			
 
				 你会看到如下界面