diff --git a/docs/assets/img/product_pics/unit/unit_396port_03.png b/docs/assets/img/product_pics/unit/unit_396port_03.png
new file mode 100644
index 00000000..7593f0ab
Binary files /dev/null and b/docs/assets/img/product_pics/unit/unit_396port_03.png differ
diff --git a/docs/assets/img/product_pics/unit/unit_396port_04.png b/docs/assets/img/product_pics/unit/unit_396port_04.png
new file mode 100644
index 00000000..4ce7d53d
Binary files /dev/null and b/docs/assets/img/product_pics/unit/unit_396port_04.png differ
diff --git a/docs/assets/img/product_pics/unit/unit_m5camera_04.png b/docs/assets/img/product_pics/unit/unit_m5camera_04.png
index aa10ec0a..786b9d30 100644
Binary files a/docs/assets/img/product_pics/unit/unit_m5camera_04.png and b/docs/assets/img/product_pics/unit/unit_m5camera_04.png differ
diff --git a/docs/en/unit/396port.md b/docs/en/unit/396port.md
index a299ba9f..19ab454b 100644
--- a/docs/en/unit/396port.md
+++ b/docs/en/unit/396port.md
@@ -8,13 +8,12 @@
 
 ## Description
 
-**<mark>3.96port</mark>** is a unit that aim to transfer GROVE interface to VH3.96-4Pin.
+**<mark>3.96port</mark>** is a unit that aim to transfer GROVE interface to VH3.96-4Pin. If you want to connect the VH3.96-4Pin interface device as shown below, it is better to use this unit.
 
 ## Feature
 
--  VH3.96 interface
--  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
--  Two Lego installation holes
+- VH3.96 interface
+- Two Lego installation holes
 
 ## Include
 
diff --git a/docs/en/unit/adc.md b/docs/en/unit/adc.md
index f414fae8..fac39a07 100644
--- a/docs/en/unit/adc.md
+++ b/docs/en/unit/adc.md
@@ -25,6 +25,11 @@
 -  Blood pressure measurement
 -  Dynamometer
 
+## Include
+
+- 1x ADC Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/angle.md b/docs/en/unit/angle.md
index 72527a3b..9b3e9bf3 100644
--- a/docs/en/unit/angle.md
+++ b/docs/en/unit/angle.md
@@ -16,6 +16,11 @@ angle.
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x ANGLE Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/catear.md b/docs/en/unit/catear.md
index afcc8776..c06fc7a6 100644
--- a/docs/en/unit/catear.md
+++ b/docs/en/unit/catear.md
@@ -15,6 +15,11 @@
 -  The number of RGB: 118
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 
+## Include
+
+- 1x CATEAR Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/dac.md b/docs/en/unit/dac.md
index 5ca4b282..4ee9a51b 100644
--- a/docs/en/unit/dac.md
+++ b/docs/en/unit/dac.md
@@ -19,6 +19,11 @@
 <!-- -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc) -->
 -  Two Lego installation holes
 
+## Include
+
+- 1x DAC Unit
+- 1x Grove Cable
+
 ## APPLICATION
 
 -  MP3 Audio Player
diff --git a/docs/en/unit/env.md b/docs/en/unit/env.md
index 24493d14..382f55d4 100644
--- a/docs/en/unit/env.md
+++ b/docs/en/unit/env.md
@@ -27,6 +27,11 @@ temperature and humidity sensor and absolute barometric pressure sensor. Connect
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x ENV Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/esp32cam.md b/docs/en/unit/esp32cam.md
index 7c5573db..3ce9b0ef 100644
--- a/docs/en/unit/esp32cam.md
+++ b/docs/en/unit/esp32cam.md
@@ -53,7 +53,7 @@ Because the module can generate WIFI hotspot AP, So you can use your mobile phon
 
 ## Include
 
-- 1x M5 Camera
+- 1x ESP32CAM Unit
 
 ## PinMap
 
diff --git a/docs/en/unit/extio.md b/docs/en/unit/extio.md
index 99c868b8..e65b2ed5 100644
--- a/docs/en/unit/extio.md
+++ b/docs/en/unit/extio.md
@@ -20,6 +20,11 @@ This unit connects to GRVOE A interface on M5Core, and it communicates with M5Co
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x EXT.IO Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/gps.md b/docs/en/unit/gps.md
index 4859515d..e33fef64 100644
--- a/docs/en/unit/gps.md
+++ b/docs/en/unit/gps.md
@@ -22,6 +22,11 @@
 <!-- -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
 -  With two Lego plugin holes on the Unit, it could be more easier to compatable with Lego mountings
 
+## Include
+
+- 1x GPS Unit
+- 1x Grove Cable
+
 ## Application
 
 - Vehicle location
diff --git a/docs/en/unit/heart.md b/docs/en/unit/heart.md
index 1f189638..aadeb7f8 100644
--- a/docs/en/unit/heart.md
+++ b/docs/en/unit/heart.md
@@ -17,6 +17,11 @@
 -  GROVE interface, support [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x HEART Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/hex.md b/docs/en/unit/hex.md
index 474b85dc..fc97e877 100644
--- a/docs/en/unit/hex.md
+++ b/docs/en/unit/hex.md
@@ -19,6 +19,11 @@ This's a figure about HEX serial number.
 -  The number of RGB: 37
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 
+## Include
+
+- 1x HEX Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/ir.md b/docs/en/unit/ir.md
index 15651c89..42394263 100644
--- a/docs/en/unit/ir.md
+++ b/docs/en/unit/ir.md
@@ -21,6 +21,11 @@ Because the GROVE interface has two signal pins, one controls infrared transmiss
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x IR Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/light.md b/docs/en/unit/light.md
index 12f29021..98000bca 100644
--- a/docs/en/unit/light.md
+++ b/docs/en/unit/light.md
@@ -20,6 +20,11 @@ When light intensity is big enough, the unit will output hight level(digital sig
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x LIGHT Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/m5camera.md b/docs/en/unit/m5camera.md
index 3fee8645..a56b4697 100644
--- a/docs/en/unit/m5camera.md
+++ b/docs/en/unit/m5camera.md
@@ -57,7 +57,7 @@ This Unit reserves the weld of the 9-axis gyroscope (MPU6050), Temperature and h
 
 ## Include
 
-- 1x M5 Camera
+- 1x M5Camera
 - 1x Type-C USB Cable
 
 ## PinMap
diff --git a/docs/en/unit/m5camera_f.md b/docs/en/unit/m5camera_f.md
index 0141f31d..07ac3a73 100644
--- a/docs/en/unit/m5camera_f.md
+++ b/docs/en/unit/m5camera_f.md
@@ -55,7 +55,7 @@ This Unit reserves the weld of the 9-axis gyroscope (MPU6050), Temperature and h
 
 ## Include
 
-- 1x M5Camera
+- 1x M5CameraF
 - 1x LEGO Adapter
 - 1x Wall/1515
 - 1x Type-C USB Cable
diff --git a/docs/en/unit/neoflash.md b/docs/en/unit/neoflash.md
index e4a27b20..09aabe41 100644
--- a/docs/en/unit/neoflash.md
+++ b/docs/en/unit/neoflash.md
@@ -17,6 +17,11 @@
 -  The number of RGB: 192
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 
+## Include
+
+- 1x NeoFlash Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/neopixel.md b/docs/en/unit/neopixel.md
index dd151e9d..c5fde7f4 100644
--- a/docs/en/unit/neopixel.md
+++ b/docs/en/unit/neopixel.md
@@ -20,6 +20,11 @@
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x NeoPixel Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/rgb.md b/docs/en/unit/rgb.md
index 4d1712dd..ccf562e1 100644
--- a/docs/en/unit/rgb.md
+++ b/docs/en/unit/rgb.md
@@ -19,6 +19,11 @@ Arduino or MicroPython.
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x RGB Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/rs485.md b/docs/en/unit/rs485.md
index ea64411e..77f42d80 100644
--- a/docs/en/unit/rs485.md
+++ b/docs/en/unit/rs485.md
@@ -19,6 +19,11 @@
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x RS485 Unit
+- 1x Grove Cable
+
 ## Related Link
 
 - **[Offical Video](https://www.youtube.com/channel/UCozgFVglWYQXbvTmGyS739w)**
diff --git a/docs/en/unit/tof.md b/docs/en/unit/tof.md
index 3cf61d12..95af1750 100644
--- a/docs/en/unit/tof.md
+++ b/docs/en/unit/tof.md
@@ -20,6 +20,11 @@ The unit communicates with m5core through GROVE A(IIC). And the IIC address is 0
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x ToF Unit
+- 1x Grove Cable
+
 ## APPLICATION
 
 -  1D gesture recognition
diff --git a/docs/en/unit/weight.md b/docs/en/unit/weight.md
index 0c79765f..1dfa0538 100644
--- a/docs/en/unit/weight.md
+++ b/docs/en/unit/weight.md
@@ -28,6 +28,11 @@ The unit is connected to the pressure sensor at one end and the M5Core is connec
 -  GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
+## Include
+
+- 1x WEIGHT Unit
+- 1x Grove Cable
+
 ## Application
 
 -  Micro weight meter
diff --git a/docs/zh_CN/core/basic.md b/docs/zh_CN/core/basic.md
index 5fbee9c2..2052aa7f 100644
--- a/docs/zh_CN/core/basic.md
+++ b/docs/zh_CN/core/basic.md
@@ -2,8 +2,6 @@
 
 <img src="assets/img/product_pics/core/basic/basic_02.png" alt="basic_02" width="350" height="350"> <img src="assets/img/product_pics/core/basic/basic_03.png" alt="basic_03" width="350" height="350">
 
-<!-- <img src="assets/img/product_pics/core/basic/basic_06.png" width="250" height="250"> -->
-
 * * *
 
 :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;:bulb:**[上手指南](zh_CN/quick_start/m5core/m5stack_core_quick_start)**&nbsp;&nbsp;&nbsp;:octocat:**[例程](https://github.com/m5stack/M5Stack/tree/master/examples/Basics)**&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](https://github.com/m5stack/M5-Schematic/blob/master/Core/Basic/M5-Core-Schematic(20171206).pdf)**&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a230r.7195193.1997079397.11.2bb86d62zW1YQG&id=557295147801&abbucket=8)**&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)**
@@ -22,8 +20,9 @@
 
 ## 特性
 
--  可编程，支持 [UIFlow](http://flow.m5stack.com), [MicroPython](http://micropython.org/) 和 [Arduino](http://www.arduino.cc)
--  支持外置 TF 卡(最大 16G)
+- 5V 直流供电
+- 可编程，支持 [UIFlow](http://flow.m5stack.com), [MicroPython](http://micropython.org/) 和 [Arduino](http://www.arduino.cc)
+- 支持外置 TF 卡(最大 16G)
 
 ## 外设的管脚映射
 
@@ -103,10 +102,6 @@
       <td>外壳材质</td>
       <td>Plastic ( PC )</td>
    </tr>
-   <tr>
-      <td>重量</td>
-      <td>120g with bottom, 100g only core</td>
-   </tr>
 </table>
 
 **<mark>注意：</mark>**
@@ -131,19 +126,17 @@
 
 <img src="assets/img/product_pics/core/basic/basic_04.png" alt="basic_04" width="80%" height="80%">
 
-<!-- <img src="assets/img/product_pics/core/basic/basic_06.png" width="250" height="250"> <img src="assets/img/product_pics/core/basic/basic_07.png" width="250" height="250"> -->
-
-<!-- <img src="assets/img/product_pics/core/basic/basic_09.png" width="250" height="250"> -->
-
 <img src="assets/img/product_pics/core/basic/basic_10.png" width="50%" height="50%">
 
 ## 相关链接
 
 -  **数据手册** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
 
+- **寄存器手册** -[IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+
 ## 相关视频
 
-**M5Stack的简介**
+**M5Stack 的简介**
 
 <video width="500" controls>
     <source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/LukeVideo/m5stack%E7%AE%80%E4%BB%8B%EF%BC%88%E4%B8%AD%E6%96%87%EF%BC%89.mp4" type="video/mp4">
diff --git a/docs/zh_CN/core/face_kit.md b/docs/zh_CN/core/face_kit.md
index ff948eb4..7a67eda5 100644
--- a/docs/zh_CN/core/face_kit.md
+++ b/docs/zh_CN/core/face_kit.md
@@ -2,13 +2,13 @@
 
 **[GameBoy Keyboard](#gameBoy-keyboard)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**[Calculator Keyboard](#calculator-keyboard)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**[QWERTY Keyboard](#qeerty-keyboard)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**[FACES Charger 充电座](#faces-charger-充电座)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**[相关链接](#相关链接)**
 
-**FACES Kit** 是有 M5Core 、功能面板、FACES Base 、充电底座 FACES Charger 和其他配件(杜邦线、FACES Kit挂绳、M3固定螺丝等等)组成的套件。
+**FACES Kit** 是由 M5Core 、功能面板、FACES Base 、充电底座 FACES Charger 和其他配件(杜邦线、FACES Kit挂绳、M3固定螺丝等等)组成的套件。
 
 目前功能面板有 GameBoy 、Calculator 和 QWERTY 三种 (*每个功能面板都集成了 **MEGA328** 芯片，在按下每个独立按键都可以返回唯一的键值。功能面板与 M5Core 之间通过 **I2C** 通信，而从机(即功能面板)的 I2C 地址为 0x08。*)，以后会继续增加。
 
-可以通过 Arduino IDE 或者 M5Cloud 对套件编程，在不同的应用场景下，堆叠不一样的功能面板，烧录对应固件到 M5Core，实现对应的功能。其中 FACES 底座的电池是 650mAh。而关于 FACES 底座的详情欢迎阅读介绍 [FACES Base](zh_CN/base/face_base) 的介绍。
+可以通过 Arduino IDE 或者 M5Cloud 对套件编程，在不同的应用场景下，堆叠不一样的功能面板，烧录对应固件到 M5Core，实现对应的功能。其中 FACES 底座的电池是 600mAh。而关于 FACES 底座的详情欢迎阅读介绍 [FACES Base](https://docs.m5stack.com/#/zh_CN/base/face_base) 的介绍。
 
-**<mark>*注意：*</mark>** *如果您打算自己烧录 FACES Kit 的出厂固件，需要到[官网](https://m5stack.com/download)下载 M5Burner。将 FACES 通过 Type-C USB 线连接到 PC，然后通过 M5Burner 烧录。*
+**注意:** *如果您打算自己烧录 FACES Kit 的出厂固件，请按照下图的步骤，到[官网](https://m5stack.com/download)下载 M5Burner。将 FACES 通过 Type-C USB 线连接到 PC，然后通过 M5Burner 烧录。*
 
 <img src="assets/img/product_pics/core/faces_kit/download_faces_firmware_01.png">
 
@@ -16,56 +16,50 @@
 
 下图是整个套件的内容
 
-<figure>
-    <img src="assets/img/product_pics/core/faces_kit/faces_kit.png">
-</figure>
+<img src="assets/img/product_pics/core/faces_kit/faces_kit.png">
 
 ### GameBoy Keyboard
 
-在做游戏娱乐时，需要GameBoy键盘。
-M5Core和FACE底板，再加上GameBoy键盘之后，点击[这里](zh_CN/quick_start/faces/gameboy_burn_a_nes_game)烧录游戏模拟器，然后能玩多款经典的电子游戏。
+在做游戏娱乐时，需要 GameBoy 键盘。
+M5Core 和 FACE 底板，再加上 GameBoy 键盘之后，点击[这里](https://docs.m5stack.com/#/zh_CN/quick_start/faces/gameboy_burn_a_nes_game)烧录游戏模拟器，然后能玩多款经典的电子游戏。
 
-GameBoy游戏烧录方法：[下载游戏](zh_CN/quick_start/faces/gameboy_burn_a_nes_game)
+GameBoy 游戏烧录方法：[下载游戏](https://docs.m5stack.com/#/zh_CN/quick_start/faces/gameboy_burn_a_nes_game)
 
-<figure>
-    <img src="assets/img/product_pics/core/faces_kit/gameboy_01.png">
-</figure>
+<img src="assets/img/product_pics/core/faces_kit/gameboy_01.png">
 
 ### Calculator Keyboard
 
-在做计算器，需要Calculator键盘。
-M5Core和FACE底板，再加上Calculator键盘之后，烧录您的固件到M5Core，固件里读取所按下按键的键值，并执行该按键触发的事件，就可以Calculator键盘功能。
+在做计算器，需要 Calculator 键盘。
+M5Core 和 FACE 底板，再加上 Calculator 键盘之后，烧录您的固件到 Core，固件里读取所按下按键的键值，并执行该按键触发的事件，就可以 Calculator 键盘功能。
 
-<figure>
-    <img src="assets/img/product_pics/core/faces_kit/calculator.png">
-</figure>
+<img src="assets/img/product_pics/core/faces_kit/calculator.png">
 
 ### QWERTY Keyboard
 
-在您做以M5Core为主控的终端需要全键盘输入时，堆叠QWERTY模块，烧录对应固件到M5Core，固件里读取所按下按键的键值，并执行该按键触发的事件，。
+在您做以 M5Core 为主控的终端需要全键盘输入时，堆叠 QWERTY 模块，烧录对应固件到 M5Core，固件里读取所按下按键的键值，并执行该按键触发的事件，。
 
 
-烧录如下例程(例程功能: M5Core显示屏和串口终端打印按下的按键)
+烧录如下例程(例程功能: M5Core 显示屏和串口终端打印按下的按键)
 
 -  **例程文件** - a. [Arduino](https://github.com/m5stack/M5Stack/tree/master/examples/Modules/FACES) - b. [MicroPython](https://github.com/m5stack/M5Cloud/tree/master/examples/FACES)(for M5Cloud)
 
--  **M5Cloud使用方法** - [MicroPython(M5Cloud)](zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython_m5cloud)
+-  **M5Cloud使用方法** - [MicroPython(M5Cloud)](https://docs.m5stack.com/#/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython_m5cloud)
 
-<figure>
-    <img src="assets/img/product_pics/core/faces_kit/qwerty.png">
-</figure>
+<img src="assets/img/product_pics/core/faces_kit/qwerty.png">
 
 
 ### FACES Charger 充电座
 
-**FACES Charger 充电座**内置磁铁，充电时，能稳定地吸附FACES主机，并与FACES主机之间通过PIGO Pin连接。
+**FACES Charger 充电座**内置磁铁，充电时，能稳定地吸附 FACES 主机，并与 FACES 主机之间通过 PIGO Pin 连接。
 
-<figure>
-    <img src="assets/img/product_pics/core/faces_kit/charger.png">
-</figure>
+<img src="assets/img/product_pics/core/faces_kit/charger.png">
 
 ### 相关链接
 
+- **数据手册** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf) - [MPU9250](https://www.invensense.com/download-pdf/mpu-9250-datasheet/)
+
+- **寄存器手册** - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+
 - **[例程](https://github.com/m5stack/M5Stack/tree/master/examples/Modules/FACES)**
 
 - **[面板的 MEGA328P 固件](https://github.com/m5stack/FACES-Firmware)**
@@ -74,7 +68,7 @@ M5Core和FACE底板，再加上Calculator键盘之后，烧录您的固件到M5C
 
 ### 注意：
 
-*FACES Kit 中配置了[灰色版本](zh_CN/core/gray)的 Core，而我们的 Core 有几个版本，同样可以将其他版本的 Core 堆叠到 FACES 的底座上用。下图是它们主要区别的比较，方便您使用。*
+*FACES Kit 中配置了[灰色版本](https://docs.m5stack.com/#/zh_CN/core/gray)的 Core，而我们的 Core 有几个版本，同样可以将其他版本的 Core 堆叠到 FACES 的底座上用。下图是它们主要区别的比较，方便您使用。*
 
 - *如果想**查看**详细的资源对比，请点击[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores_zh_CN.md)。*
 
diff --git a/docs/zh_CN/unit/396port.md b/docs/zh_CN/unit/396port.md
index 26eaad2c..615416d6 100644
--- a/docs/zh_CN/unit/396port.md
+++ b/docs/zh_CN/unit/396port.md
@@ -1,4 +1,4 @@
-# 396PORT - GROVE接口转HT3.96接口Unit {docsify-ignore-all}
+# Unit 396PORT {docsify-ignore-all}
 
 <img src="assets/img/product_pics/unit/M5GO_Unit_396port.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_396port_02.png" width="30%" height="30%">
 
@@ -8,12 +8,14 @@
 
 ## 描述
 
-**<mark>3.96port</mark>** 是一个 GROVE 接口 转 VH3.96-4Pin 接口的转换模块. 如果您想外接 VH3.96-4Pin 接口的设备的话，最好使用上这个 Unit，会更加方便.
+**<mark>3.96port</mark>** 是一个 GROVE 接口 转 VH3.96-4Pin 接口的转换 Unit。 如果您想外接如下图所示的 VH3.96-4Pin 接口的设备的话，最好使用上这个 Unit，会更加方便。
+
+<img src="assets/img/product_pics/unit/unit_396port_03.png"><img src="assets/img/product_pics/unit/unit_396port_04.png">
 
 ## 特性
 
--  VH3.96接口
--  Unit内置两个Lego插件孔，方便与Lego件结合
+-  VH3.96 接口
+-  Unit 内置两个 Lego 插件孔，方便与 Lego 件结合
 
 ## 包含
 
diff --git a/docs/zh_CN/unit/adc.md b/docs/zh_CN/unit/adc.md
index 17b4a1c2..4c4f51b2 100644
--- a/docs/zh_CN/unit/adc.md
+++ b/docs/zh_CN/unit/adc.md
@@ -8,7 +8,7 @@
 
 ## 描述
 
-<mark>ADC</mark> 是带自校准功能的16位模拟数字转换unit，相比ESP32芯片自带的ADC（12位）功能分辨率高了不少，意味着您可以测量更小幅值的电压等模拟量，也就是能测量更细微一倍的模拟量，比如采集心电电压做心电监护项目、做血压监测项目、高精度电压监控项目等等。unit集成的ADC芯片**ADS1100**通过I2C接口与M5的主控通讯(I2C地址为0x48)，可以设置成单周期转换和连续转换方式。
+**<mark>ADC</mark>** 是带自校准功能的 16 位模拟数字转换 unit，相比ESP32芯片自带的ADC（12位）功能分辨率高了不少，意味着您可以测量更小幅值的电压等模拟量，也就是能测量更细微一倍的模拟量，比如采集心电电压做心电监护项目、做血压监测项目、高精度电压监控项目等等。unit集成的ADC芯片**ADS1100**通过I2C接口与M5的主控通讯(I2C地址为0x48)，可以设置成单周期转换和连续转换方式。
 
 ## 特性
 
@@ -19,6 +19,11 @@
 <!-- -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
 - Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x ADC Unit
+- 1x Grove 线
+
 ## 应用
 
 -  心电信号采集
diff --git a/docs/zh_CN/unit/angle.md b/docs/zh_CN/unit/angle.md
index dfa38e26..ad5dd464 100644
--- a/docs/zh_CN/unit/angle.md
+++ b/docs/zh_CN/unit/angle.md
@@ -8,12 +8,17 @@
 
 ## 描述
 
-ANGLE是一个电位器Unit，通过这个Unit可以检测手动旋转的角度.
+**<mark>ANGLE</mark>** 是一个电位器 Unit，通过这个 Unit 可以检测手动旋转的角度。
 
 ## 特性
 
--  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
--  Unit内置两个Lego插件孔，方便与Lego件结合
+- GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
+- Unit内置两个Lego插件孔，方便与Lego件结合
+
+## 包含
+
+- 1x ADC Unit
+- 1x Grove 线
 
 ## 相关链接
 
diff --git a/docs/zh_CN/unit/dac.md b/docs/zh_CN/unit/dac.md
index fa7da924..9f55f462 100644
--- a/docs/zh_CN/unit/dac.md
+++ b/docs/zh_CN/unit/dac.md
@@ -19,6 +19,11 @@
 <!-- -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x DAC Unit
+- 1x Grove 线
+
 ## 应用
 
 -  MP3播放器
diff --git a/docs/zh_CN/unit/esp32cam.md b/docs/zh_CN/unit/esp32cam.md
index dad9a228..b24e7646 100644
--- a/docs/zh_CN/unit/esp32cam.md
+++ b/docs/zh_CN/unit/esp32cam.md
@@ -52,7 +52,7 @@
 
 ## 包含
 
-- 1x ESP32Cam Unit
+- 1x ESP32CAM Unit
 
 ## 管脚映射
 
diff --git a/docs/zh_CN/unit/extio.md b/docs/zh_CN/unit/extio.md
index 571866a3..125ed095 100644
--- a/docs/zh_CN/unit/extio.md
+++ b/docs/zh_CN/unit/extio.md
@@ -19,6 +19,11 @@
 - 拓展成8个输出/输出的IO引脚
 - GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
 
+## 包含
+
+- 1x EXT.IO Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/heart.md b/docs/zh_CN/unit/heart.md
index 6dd8f8d8..38c4f329 100644
--- a/docs/zh_CN/unit/heart.md
+++ b/docs/zh_CN/unit/heart.md
@@ -8,7 +8,7 @@
 
 ## 描述
 
-**<mark>HEART</mark>**是一款集成 MAX30110 模块，能够非侵入式检测血氧和心率的 Unit。 MAX30110 模块包含两个红外发光二极管和一个光检测器，其检测血氧饱和度的原理是通过红外 led 灯照射，检测携带氧气和非携带氧气的红血球数量比例，从而得到血氧含量。
+**<mark>HEART</mark>** 是一款集成 MAX30110 模块，能够非侵入式检测血氧和心率的 Unit。 MAX30110 模块包含两个红外发光二极管和一个光检测器，其检测血氧饱和度的原理是通过红外 led 灯照射，检测携带氧气和非携带氧气的红血球数量比例，从而得到血氧含量。
 
 该 unit 接入 M5Core 的 GROVE A 口之后，只需要将手指紧贴在 unit 的 MAX30110 模块上，即可读出生理信息。
 
@@ -19,6 +19,11 @@
 <!-- -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x HEART Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/hex.md b/docs/zh_CN/unit/hex.md
index f5e5bd67..8adc2d48 100644
--- a/docs/zh_CN/unit/hex.md
+++ b/docs/zh_CN/unit/hex.md
@@ -19,7 +19,12 @@
 ## 特性
 
 - RGB LED灯数: 37
--  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
+- GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
+
+## 包含
+
+- 1x HEX Unit
+- 1x Grove 线
 
 ## 相关链接
 
diff --git a/docs/zh_CN/unit/hub.md b/docs/zh_CN/unit/hub.md
index 5d9a5c63..8d5db232 100644
--- a/docs/zh_CN/unit/hub.md
+++ b/docs/zh_CN/unit/hub.md
@@ -8,7 +8,7 @@
 
 ## 描述
 
-**<mark>HUB</mark>** 是一款 GROVE 接口的拓展器，目的是通过 HUB 能把 GROVE 接口拓展为3个，这样同时能连接更多的 Unit 传感器。
+**<mark>HUB</mark>** 是一款 GROVE 接口的拓展器，目的是通过 HUB 能把 GROVE 接口拓展为3个，这样同时能连接更多的 Unit 传感器。不过如果同时接同样的 2 - 3 个 IIC 接口 (红色接口) Unit 的话，会引起 IIC 地址冲突，这时候，应该使用 IIC HUB Unit 取代 HUB Unit 以避免 IIC 地址冲突。
 
 ## 特性
 
diff --git a/docs/zh_CN/unit/ir.md b/docs/zh_CN/unit/ir.md
index 3cbf5c35..5d708602 100644
--- a/docs/zh_CN/unit/ir.md
+++ b/docs/zh_CN/unit/ir.md
@@ -8,7 +8,7 @@
 
 ## 描述
 
-**<mark>IR</mark>**是一款红外光电对管Unit，集成一对红外发送和接收管。与M5Core连接之后，可以通过M5Core来控制是否发出红外光，另外的接收管能检测是否有发自其他设备红外光发送给unit。
+**<mark>IR</mark>** 是一款红外光电对管 Unit，集成一对红外发送和接收管。与M5Core连接之后，可以通过M5Core来控制是否发出红外光，另外的接收管能检测是否有发自其他设备红外光发送给unit。
 
 因为GROVE接口有两个信号引脚，一个控制红外发送，一个控制红外接收，所以如果要发送红外光则需要OUTPUT管脚(GPIO26)输出高电平。
 
@@ -19,6 +19,11 @@
 -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x IR Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/m5camera_f.md b/docs/zh_CN/unit/m5camera_f.md
index 010eaeb7..e9bb12c9 100644
--- a/docs/zh_CN/unit/m5camera_f.md
+++ b/docs/zh_CN/unit/m5camera_f.md
@@ -2,17 +2,10 @@
 
 <img src="assets/img/product_pics/unit/unit_m5camera_f_01.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_m5camera_f_07.png" width="30%" height="30%">
 
-
-<!-- <br><img src="assets/img/product_pics/unit/m5camera_03.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/m5camera_04.png" width="30%" height="30%"> -->
-
 ***
 
 :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:bulb:**[上手指南](zh_CN/quick_start/m5camera/m5camera_quick_start)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[代码](#代码)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.550e425eB8OqGB&id=587046526441)**
 
-<!-- &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
-
-<!-- :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.550e425eB8OqGB&id=587046526441)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
-
 ## 描述
 
 **<mark>M5CameraF</mark>**是一款基于 ESP32 芯片，集成 OV2640 摄像头驱动芯片的摄像头模块，并集成了 **<mark>PSRAM</mark>**，镜头采用 **<mark>鱼眼镜头</mark>**，您可以通过 ESP-IDF 或 Arduino IDE 来编程摄像头功能。
diff --git a/docs/zh_CN/unit/m5camera_x.md b/docs/zh_CN/unit/m5camera_x.md
index 94179911..192b22c3 100644
--- a/docs/zh_CN/unit/m5camera_x.md
+++ b/docs/zh_CN/unit/m5camera_x.md
@@ -2,19 +2,10 @@
 
 <img src="assets/img/product_pics/unit/unit_m5camera_x_01.png" width="30%" height="30%">
 
-<!-- <img src="assets/img/product_pics/unit/unit_m5camera_x_07.png" width="30%" height="30%"> -->
-
-
-<!-- <br><img src="assets/img/product_pics/unit/m5camera_03.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/m5camera_04.png" width="30%" height="30%"> -->
-
 ***
 
 :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:bulb:**[上手指南](zh_CN/quick_start/m5camera/m5camera_quick_start)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[代码](#代码)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.550e425eB8OqGB&id=587046526441)**
 
-<!-- &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
-
-<!-- :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.550e425eB8OqGB&id=587046526441)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
-
 ## 描述
 
 **<mark>M5CameraX</mark>**是一款基于 ESP32 芯片，集成 OV2640 摄像头驱动芯片的摄像头模块，并集成了 **<mark>PSRAM</mark>**，镜头采用 **<mark>鱼眼镜头</mark>**，您可以通过 ESP-IDF 或 Arduino IDE 来编程摄像头功能。
diff --git a/docs/zh_CN/unit/neoflash.md b/docs/zh_CN/unit/neoflash.md
index 873c9246..a0806d38 100644
--- a/docs/zh_CN/unit/neoflash.md
+++ b/docs/zh_CN/unit/neoflash.md
@@ -6,8 +6,6 @@
 
 :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.11.36da425eorzBcg&id=582828472414)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)**
 
-<!-- :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.3b86425eaoE9zU&id=585289225333)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
-
 ## 描述
 
 **<mark>NEOFLASH</mark>**是24x8阵列的Neopixel RGB LED面板。一共有192颗RGB LED。NEOFLASH上RGB LED接M5Core的GPIO26, 左上角是第一个颗LED，LED递增顺序为从左到右，从上到下。NEOFLASH还配置了3个GROVE A接口(IIC接口)方便结合Neoflash做拓展应用。
@@ -19,7 +17,12 @@
 ## 特性
 
 - RGB LED灯数: 192
--  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
+- GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
+
+## 包含
+
+- 1x NeoFlash Unit
+- 1x Grove 线
 
 ## 相关链接
 
diff --git a/docs/zh_CN/unit/neopixel.md b/docs/zh_CN/unit/neopixel.md
index 3bc4f088..9541308c 100644
--- a/docs/zh_CN/unit/neopixel.md
+++ b/docs/zh_CN/unit/neopixel.md
@@ -8,7 +8,7 @@
 
 ## 描述
 
-**<mark>NeoPixel</mark>**是带GROVE接口的NeoPixel灯带，将NeoPixel Unit与M5Core相连，可以很方便地实现控制，特别是使用[UIFlow](http://flow.m5stack.com)来编程。
+**<mark>NeoPixel</mark>** 是带 GROVE 接口的 NeoPixel 灯带，将 NeoPixel Unit 与 M5Core 相连，可以很方便地实现控制，特别是使用[UIFlow](http://flow.m5stack.com)来编程。
 
 ?> NeoPixel Unit有输入和输出口，在接M5Core的时候，记得看清楚Unit上的箭头(顺序)方向，一定要输入口接M5Core，然后输出口还可以通过GROVE线，接下一条NeoPixel Unit，从而串联一起。
 
@@ -20,6 +20,11 @@
 -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x NeoPixel Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/rgb.md b/docs/zh_CN/unit/rgb.md
index 3848dc64..07bac797 100644
--- a/docs/zh_CN/unit/rgb.md
+++ b/docs/zh_CN/unit/rgb.md
@@ -17,6 +17,11 @@
 -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x RGB Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/tof.md b/docs/zh_CN/unit/tof.md
index f6dc4322..8170ad34 100644
--- a/docs/zh_CN/unit/tof.md
+++ b/docs/zh_CN/unit/tof.md
@@ -20,6 +20,11 @@
 <!-- -  GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x ToF Unit
+- 1x Grove 线
+
 ## 应用
 
 - 手势控制
diff --git a/docs/zh_CN/unit/trace.md b/docs/zh_CN/unit/trace.md
index e595d5a0..a3b1426d 100644
--- a/docs/zh_CN/unit/trace.md
+++ b/docs/zh_CN/unit/trace.md
@@ -20,6 +20,11 @@ Joystick Unit同样也是与M5Core相连之后，通过PORT A(I2C)控制，其I2
 -  GROVE接口，支持[UiFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程
 -  Unit内置两个Lego插件孔，方便与Lego件结合
 
+## 包含
+
+- 1x TRACE Unit
+- 1x Grove 线
+
 ## 相关链接
 
 - **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
diff --git a/docs/zh_CN/unit/weight.md b/docs/zh_CN/unit/weight.md
index 613ee4db..1f3be1f5 100644
--- a/docs/zh_CN/unit/weight.md
+++ b/docs/zh_CN/unit/weight.md
@@ -28,6 +28,11 @@
 - GROVE 接口，支持 [UIFlow](http://flow.m5stack.com) 编程，[Arduino](http://www.arduino.cc) 编程
 - Unit 内置两个 Lego 插件孔，方便与 Lego 件结合
 
+## 包含
+
+- 1x WEIGHT Unit
+- 1x Grove 线
+
 ## 应用
 
 -  微型重量计