diff --git a/docs/en/hat/hat-roverc.md b/docs/en/hat/hat-roverc.md
index ac3a23e4..30a57130 100644
--- a/docs/en/hat/hat-roverc.md
+++ b/docs/en/hat/hat-roverc.md
@@ -25,11 +25,32 @@
 - Flexible movement in all directions
 
 ## Instructions
+Before use, please make sure that the roverc is fully charged. Charging method: insert m5stickc into the roverc, and connect the USB cable for charging.
 Burn the easyloader firmware of Joyc and roverc with two M5StickC respectively. Insert Joyc and roverc respectively after burning. After power on, roverc will display the MAC address name and battery power. At the same time, Joyc will scan the MAC address name of roverc. Long press the a key of M5StickC on Joyc, and the work will be matched. Left rocker up and down control front and back, left and right control translation, right rocker left and right control steering.
 
 ## Usage
 Two M5StickCs will be burned into the EasyLoader firmware of JoyC and RoverC respectively. After burning, they will be inserted into JoyC and RoverC respectively. After booting, RoverC will display the hotspot name of "M5AP+2 bytes mac address", and JoyC will scan the mac address name of RoverC. Press and hold the A5 button of the M5StickC on the JoyC for 3 seconds to start scanning the hotspot of the car, and the pairing is successful. After successful pairing, the link icon is highlighted in the upper left corner of the screen, and the joystick value is displayed on the screen. The left and right joysticks are controlled up and down, the left and right controls pan, and the right rocker controls the steering.
 
+MotorControl：
+
+<table>
+<tr><td>Motor serial number</td><td>Register address</td><td>Parameter value</td></tr>
+<tr><td>01</td><td>0x01</td><td>-127~127</td></tr>
+<tr><td>02</td><td>0x02</td><td>-127~127</td></tr>
+<tr><td>03</td><td>0x03</td><td>-127~127</td></tr>
+<tr><td>04</td><td>0x04</td><td>-127~127</td></tr>
+</table>
+
+
+### 管脚映射
+
+<table>
+ <tr><td>M5StickC</td><td>GPIO0</td><td>GPIO26</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>RoverC HAT</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>I2C①</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>I2C②</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+</table>
+
 <img src="assets\img\product_pics\hat\roverc_hat\roverC_user1.jpg" width="30%" height="30%"><img src="assets\img\product_pics\hat\roverc_hat\roverC_user2.jpg" width="30%" height="30%"><img src="assets\img\product_pics\hat\roverc_hat\roverC_user3.jpg" width="30%" height="30%">
 
 <video class="video_size" controls>
diff --git a/docs/zh_CN/hat/hat-roverc.md b/docs/zh_CN/hat/hat-roverc.md
index 423b1ad4..51cb977f 100644
--- a/docs/zh_CN/hat/hat-roverc.md
+++ b/docs/zh_CN/hat/hat-roverc.md
@@ -24,9 +24,29 @@
 - 运动灵活
 
 ## 使用说明
-
+使用前请确保RoverC已经充满电，充电方式：将M5StickC插入RoverC，并连接USB线缆进行充电.
 分别将两台M5StickC烧录JoyC与RoverC的EasyLoader固件，烧录后分别插入JoyC与RoverC，开机后RoverC会显示"M5AP+2字节mac地址"热点名称，同时JoyC会扫描到RoverC的mac地址名，长按3秒JoyC上的M5StickC的A键，开始扫描小车的热点，即可配对成功。成功配对后屏幕左上角会高亮显示链接图标，同时屏幕显示摇杆数值。左摇杆上下控制前后，左右控制平移，右摇杆左右控制转向。
 
+电机控制：
+
+<table>
+<tr><td>电机序号</td><td>寄存器地址</td><td>参数值</td></tr>
+<tr><td>01</td><td>0x01</td><td>-127~127</td></tr>
+<tr><td>02</td><td>0x02</td><td>-127~127</td></tr>
+<tr><td>03</td><td>0x03</td><td>-127~127</td></tr>
+<tr><td>04</td><td>0x04</td><td>-127~127</td></tr>
+</table>
+
+
+### 管脚映射
+
+<table>
+ <tr><td>M5StickC</td><td>GPIO0</td><td>GPIO26</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>RoverC HAT</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>I2C①</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+ <tr><td>I2C②</td><td>SDA</td><td>SCL</td><td>3.3V</td><td>GND</td></tr>
+</table>
+
 <img src="assets\img\product_pics\hat\roverc_hat\roverC_user1.jpg" width="30%" height="30%"><img src="assets\img\product_pics\hat\roverc_hat\roverC_user2.jpg" width="30%" height="30%"><img src="assets\img\product_pics\hat\roverc_hat\roverC_user3.jpg" width="30%" height="30%">
 
 <video class="video_size" controls>