diff --git a/LinkerHand/config/setting.yaml b/LinkerHand/config/setting.yaml
index 630c284..39665d6 100644
--- a/LinkerHand/config/setting.yaml
+++ b/LinkerHand/config/setting.yaml
@@ -3,7 +3,7 @@ LINKER_HAND:  # 手部配置信息
   LEFT_HAND:
     EXISTS: False # 是否存在左手
     TOUCH: True # 是否有压力传感器
-    CAN: "can0"  # 配置CAN端口 默认can0 如果MODUBS不为"None",则CAN配置失效。 如果是win系统则类似于 PCAN_USBBUS1。注：蓝色盒子为Linux下can0，WIN下位PCAN_USBBUS1。透明盒子Linux下为can0，WIN下为0
+    CAN: "can0"  # 配置CAN端口 默认can0 如果MODUBS不为"None",则CAN配置失效。 如果是win系统则类似于 PCAN_USBBUS1。注：蓝色盒子为Linux下can0，WIN下为PCAN_USBBUS1。透明盒子Linux下为can0，WIN下为0
     MODBUS: "None" # 通讯协议是否为485 默认None 如果启动485，则是设备端口 /dev/ttyUSB* CAN配置失效 当前只支持O6/L6.后续版本正在努力增加中
     JOINT: O6 # 左手型号 O6/L6/L7/L10/L20/G20/L21/L25/
     NAME: # 默认值，不用修改
diff --git a/README.md b/README.md
index 3ab0823..ab5f86f 100644
--- a/README.md
+++ b/README.md
@@ -24,24 +24,24 @@ LinkerHand Python SDK
 - download
 
 ```bash
-$ git clone https://github.com/linker-bot/linkerhand-python-sdk.git
+git clone https://github.com/linker-bot/linkerhand-python-sdk.git
 ```
 
 - install
 
 ```bash
-$ cd linkerhand-python-sdk/
-$ pip3 install -r requirements.txt
+cd linkerhand-python-sdk/
+pip3 install -r requirements.txt
 ```
 
-- 快速使用示例 by CAN
+- Quick Start Example via CAN
 Edit the config/setting.yaml configuration file and modify the parameters according to the comments inside. Set CAN:"can0" and Set MODBUS: "None"
 ```bash
 # Open the CAN port
-$ sudo /usr/sbin/ip link set can0 up type can bitrate 1000000 # USB-to-CAN device blue light stays solid. This step can be skipped on Ubuntu systems after modifying setting.ymal as required.
-$ cd examples/gui_control
-$ sudo chmod a+x gui_control.py
-$ python3 gui_control.py
+sudo /usr/sbin/ip link set can0 up type can bitrate 1000000 # USB-to-CAN device blue light stays solid. This step can be skipped on Ubuntu systems after modifying setting.ymal as required.
+cd example/gui_control
+sudo chmod a+x gui_control.py
+python3 gui_control.py
 ```
 <img  src="doc/gui.png" width="400">
 
diff --git a/README_CN.md b/README_CN.md
index 8921a07..e2396b8 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -29,21 +29,21 @@ $ git clone https://github.com/linker-bot/linkerhand-python-sdk.git
 - install
 
 ```bash
-$ cd linkerhand-python-sdk/
+cd linkerhand-python-sdk/
 # win下需要安装python-can-candle用于适配透明CAN设备candle协议
-$ pip install python-can
-$ pip install python-can-candle
-$ pip3 install -r requirements.txt
+pip install python-can
+pip install python-can-candle
+pip3 install -r requirements.txt
 ```
 
 - 快速使用示例 by CAN
 编辑config/setting.yaml配置文件，按照配置文件内注释说明进行参数修改,配置CAN: "can0"(根据实际硬件情况来确定，一般第一个为can0)，配置MODBUS:"None"
 ```bash
 # Open the CAN port
-$ sudo /usr/sbin/ip link set can0 up type can bitrate 1000000 # USB-to-CAN device blue light stays solid. This step can be skipped on Ubuntu systems after modifying setting.ymal as required.
-$ cd examples/gui_control
-$ sudo chmod a+x gui_control.py
-$ python3 gui_control.py
+sudo /usr/sbin/ip link set can0 up type can bitrate 1000000 # USB-to-CAN device blue light stays solid. This step can be skipped on Ubuntu systems after modifying setting.ymal as required.
+cd example/gui_control
+sudo chmod a+x gui_control.py
+python3 gui_control.py
 ```
 <img  src="doc/gui.png" width="400">
 
@@ -56,15 +56,15 @@ modbus: "None" or "/dev/ttyUSB0"
 ```bash
 # 确保requirements.txt安装依赖
 # 安装系统级相关驱动
-$ pip install minimalmodbus --break-system-packages
-$ pip install pyserial --break-system-packages
-$ pip install pymodbus --break-system-packages
+pip install minimalmodbus --break-system-packages
+pip install pyserial --break-system-packages
+pip install pymodbus --break-system-packages
 # 查看USB-RS485端口号
-$ ls /dev
+ls /dev
 # 可以看到类似ttyUSB0端口后给端口执行权限
-$ sudo chmod 777 /dev/ttyUSB0
+sudo chmod 777 /dev/ttyUSB0
 # GUI控制示例
-$ python3 example/gui_control/gui_control.py
+python3 example/gui_control/gui_control.py
 
 ```