diff --git a/docs/en/api_reference.md b/docs/en/api_reference.md
index b955e8e1..42ae2f42 100644
--- a/docs/en/api_reference.md
+++ b/docs/en/api_reference.md
@@ -3,6 +3,6 @@
[中文](/zh_CN/api_reference) | English | [日本語](/ja/api_reference)
## [LCD](en/api_reference/api_lcd)
-## Peripherals
+
diff --git a/docs/en/api_reference/api_lcd.md b/docs/en/api_reference/api_lcd.md
index dd9f15c7..0ad4325b 100644
--- a/docs/en/api_reference/api_lcd.md
+++ b/docs/en/api_reference/api_lcd.md
@@ -1,73 +1,207 @@
# LCD
-### setbrightness
-> M5.Lcd.setbrightness(uint8_t brightness);
+[中文](https://m5stack.github.io/m5-docs/#/zh_CN/api_reference/api_lcd) | English
-Set the brightness of LCD.
-
-| Param | Type | Description |
-| --- | --- | --- |
-| brightness | uint8_t | brightness(0-254) |
+### lcd.setRotation(degree)
**Example**
-```c++
-M5.Lcd.setbrightness(100);
+```python
+lcd.setRotation(90)
```
+**Set the angle of rotation of the entire screen.**
+
+| Param | Description |
+| --- | --- |
+| degree | the angle of setRotation |
+
+
+
* * *
-### fillScreen
-> M5.Lcd.fillScreen(uint16_t color);
-
-Set the color to display of the whole LCD.
-
-| Param | Type | Description |
-| --- | --- | --- |
-| color | uint16_t | color value |
+### lcd.setColor(color [, background_color])
**Example**
-```c++
-M5.Lcd.fillScreen(RED);
-delay(500);
-M5.Lcd.fillScreen(WHITE);
-delay(500);
+```python
+lcd.setColor(lcd.RED)
+lcd.setColor(lcd.ORANGE, LCD.DARKCYAN)
```
+**Set the default foreground/background color of text.**
+
+| Param | Description |
+| --- | --- |
+| color | the color of text |
+| background_color| the fill color of text |
+
* * *
-### fillRect
-> M5.Lcd.fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
-
-Draw a filled rectangle.
-
-| Param | Type | Description |
-| --- | --- | --- |
-| x, y | int16_t | offset of x, y direction |
-| w, h | int16_t | width and height of graphics |
-| color | uint16_t | color to fill |
-
+### lcd.fillScreen(color)
**Example**
-```c++
-M5.Lcd.fillRect(50,50,60,150,WHITE);
+```python
+lcd.fillScreen(lcd.RED)
```
+**Fill the entire screen with the given color.**
+
+| Param | Description |
+| --- | --- |
+| color | color value |
+
+
* * *
-### fillRoundRect
-> M5.Lcd.fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
+### lcd.drawPixel(x, y [,color])
+**Example**
+```python
+lcd.drawPixel(22,22,lcd.RED)
+```
+**Draw the pixel at position (x,y)**
-Draw a filled round rectangle.
+*If color is not given, current foreground color is used*
-| Param | Type | Description |
-| --- | --- | --- |
-| x, y | int16_t | offset of x, y direction |
-| w, h | int16_t | width and height of graphics |
-| radius | int16_t | fillet radius |
-| color | uint16_t | color to fill |
+| Param | Description |
+| --- | --- |
+| color | color value |
+
+
+
+* * *
+
+### lcd.drawLine(x, y, x1, y1 [,color])
+**Example**
+```python
+lcd.drawLine(0,0,12,12,lcd.WHITE)
+```
+**Draw the line from point (x,y) to point (x1,y1)**
+
+*If color is not given, current foreground color is used*
+
+| Param | Description |
+| --- | --- |
+| color | color value |
+
+
+* * *
+
+### lcd.drawTriangle(x, y, x1, y1, x2, y2 [,color])
**Example**
-```c++
-M5.Lcd.fillRoundRect(50,50,60,150,4,WHITE);
+```python
+lcd.drawTriangle(22,22,69,98,51,22,lcd.RED)
```
-* * *
\ No newline at end of file
+**Draw the triangel between points (x,y), (x1,y1) and (x2,y2).**
+
+*If color is not given, current foreground color is used*
+
+| Param | Description |
+| --- | --- |
+| color | color value |
+
+* * *
+
+### lcd.fillTriangle(x, y, x1, y1, x2, y2 [,color])
+
+**Example**
+```python
+lcd.fillTriangle(122, 122, 169, 198, 151, 182, lcd.RED)
+```
+**Fill the triangel between points (x,y), (x1,y1) and (x2,y2).**
+
+*If color is not given, current foreground color is used*
+
+| Param | Description |
+| --- | --- |
+| color | color value |
+
+
+* * *
+### lcd.drawRect(x, y, w, h, [,color])
+**Example**
+```python
+lcd.drawRect(180, 12, 122, 10, lcd.BLUE)
+```
+**Draw the rectangle from the upper left point at (x,y) and width and height.**
+
+*If color is not given, current foreground color is used*
+
+| Param | Description |
+| --- | --- |
+| w | display phisical width in pixels (display’s smaller dimension) |
+| h | display phisical height in pixels (display’s larger dimension) |
+| color | color value |
+
+
+
+
+* * *
+
+### lcd.drawRoundRect(x, y, w, h, r [,color])
+**Example**
+```python
+lcd.fillRoundRect(180,70,122,10,4,lcd.BLUE)
+```
+**Draw the rectangle with rounded corners from the upper left point at (x,y) and width and height. Corner radius is given by r argument.**
+
+*If color is not given, current foreground color is used*
+
+| Param | Description |
+| --- | --- |
+| w | display phisical width in pixels (display’s smaller dimension) |
+| h | display phisical height in pixels (display’s larger dimension) |
+| r | the radius of circle |
+| color | color value |
+
+
+
+
+* * *
+### lcd.print(‘text’, [x, y])
+**Example**
+```python
+lcd.print('this is a print text function', 80, 80)
+```
+**Print the text at position (x,y).**
+
+| Param | Description |
+| --- | --- |
+| text | the string need to print |
+
+
+* * *
+
+### lcd.clear([color])
+
+**Example**
+```python
+lcd.clear()
+```
+
+**Clear the screen with default background color orspecific color if given.**
+
+
+* * *
+
+### Usage
+
+```python
+from machine import SPI, Pin
+from display import LCD
+
+spi = SPI(1, baudrate=32000000, mosi=Pin(23), miso=Pin(19), sck=Pin(18))
+
+lcd = LCD(spi = spi) #lcd init
+lcd.fillScreen(lcd.BLACK) #set the default background color
+
+lcd.drawLine(0, 0, lcd.WHITE)
+lcd.drawTriangle(22, 22, 69, 98, 51, 22, lcd.RED)
+lcd.fillTriangle(122, 122, 169, 198, 151, 182, lcd.RED)
+lcd.drawCircle(180, 180, 10, lcd.BLUE)
+lcd.fillcircle(100, 100, 10, lcd.BLUE)
+lcd.drawRect(180, 12, 122, 10, lcd.BLUE)
+lcd.fillRect(180, 30, 122, 10, lcd.BLUE)
+lcd.drawRoundRect(180, 50, 122, 10, 4, lcd.BLUE)
+lcd.fillRoundRect(180, 70, 122, 10, 4, lcd.BLUE)
+lcd.print('this is a print text function', 80, 80)
+```
diff --git a/docs/ja/api_reference.md b/docs/ja/api_reference.md
index b4dba569..b816d576 100644
--- a/docs/ja/api_reference.md
+++ b/docs/ja/api_reference.md
@@ -2,7 +2,7 @@
[中文](/zh_CN/api_reference) | [English](/en/api_reference) | 日本語
-## [LCD](ja/api_reference/api_lcd)
+
\ No newline at end of file
diff --git a/docs/zh_CN/api_reference.md b/docs/zh_CN/api_reference.md
index a0655df4..9cd540ee 100644
--- a/docs/zh_CN/api_reference.md
+++ b/docs/zh_CN/api_reference.md
@@ -2,7 +2,9 @@
中文 | [English](/en/api_reference) | [日本語](/ja/api_reference)
+*这是MicroPython的编程API*
+
## [LCD](zh_CN/api_reference/api_lcd)
-## [Peripherals](zh_CN/api_reference/peripherals/api_gpio)
+
diff --git a/docs/zh_CN/api_reference/api_lcd.md b/docs/zh_CN/api_reference/api_lcd.md
index a186603a..cf78ccd7 100644
--- a/docs/zh_CN/api_reference/api_lcd.md
+++ b/docs/zh_CN/api_reference/api_lcd.md
@@ -1,73 +1,207 @@
# LCD
-### setbrightness
-> M5.Lcd.setbrightness(uint8_t brightness);
+中文 | [English](https://m5stack.github.io/m5-docs/#/en/api_reference/api_lcd)
-设置LCD屏幕的亮度
-
-| Param | Type | Description |
-| --- | --- | --- |
-| brightness | uint8_t | 亮度值(0-254) |
+### lcd.setRotation(degree)
**例程**
-```c++
-M5.Lcd.setbrightness(100);
+```python
+lcd.setRotation(90)
```
+**设置整个屏幕显示的旋转角度。**
+
+| 参数 | 描述 |
+| --- | --- |
+| degree | 旋转的角度 |
+
+
+
* * *
-### fillScreen
-> M5.Lcd.fillScreen(uint16_t color);
-
-设置全屏颜色
-
-| Param | Type | Description |
-| --- | --- | --- |
-| color | uint16_t | 颜色值 |
+### lcd.setColor(color [, background_color])
**例程**
-```c++
-M5.Lcd.fillScreen(RED);
-delay(500);
-M5.Lcd.fillScreen(WHITE);
-delay(500);
+```python
+lcd.setColor(lcd.RED)
+lcd.setColor(lcd.ORANGE, LCD.DARKCYAN)
```
+**设置显示文本的前景颜色和背景颜色。**
+
+| 参数 | 描述 |
+| --- | --- |
+| color | 文本的前景颜色 |
+| background_color| 文本的背景颜色 |
+
* * *
-### fillRect
-> M5.Lcd.fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
-
-画填充形式的矩形图形
-
-| Param | Type | Description |
-| --- | --- | --- |
-| x, y | int16_t | x和y方向的偏移量 |
-| w, h | int16_t | 图形宽和高 |
-| color | uint16_t | 填充的颜色 |
-
+### lcd.fillScreen(color)
**例程**
-```c++
-M5.Lcd.fillRect(50,50,60,150,WHITE);
+```python
+lcd.fillScreen(lcd.RED)
```
+**以指定的颜色填充整个屏幕。**
+
+| 参数 | 描述 |
+| --- | --- |
+| color | 颜色值 |
+
+
* * *
-### fillRoundRect
-> M5.Lcd.fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
+### lcd.drawPixel(x, y [,color])
+**例程**
+```python
+lcd.drawPixel(22,22,lcd.RED)
+```
+**在位置(x,y)处画点。**
-画填充形式的圆角矩形图形
+*如果函数的color值没给出，则使用当前的背景颜色。*
-| Param | Type | Description |
-| --- | --- | --- |
-| x, y | int16_t | x和y方向的偏移量 |
-| w, h | int16_t | 图形宽和高 |
-| radius | int16_t | 圆角半径 |
-| color | uint16_t | 填充的颜色 |
+| 参数 | 描述 |
+| --- | --- |
+| color | 颜色值 |
+
+
+
+* * *
+
+### lcd.drawLine(x, y, x1, y1 [,color])
+**例程**
+```python
+lcd.drawLine(0,0,12,12,lcd.WHITE)
+```
+**以指定的颜色从点(x,y)到点(x1,y1)画直线。**
+
+*如果函数的color值没给出，则使用当前的背景颜色。*
+
+| 参数 | 描述 |
+| --- | --- |
+| color | 颜色值 |
+
+
+* * *
+
+### lcd.drawTriangle(x, y, x1, y1, x2, y2 [,color])
**例程**
-```c++
-M5.Lcd.fillRoundRect(50,50,60,150,4,WHITE);
+```python
+lcd.drawTriangle(22,22,69,98,51,22,lcd.RED)
```
-* * *
\ No newline at end of file
+**以指定颜色画三角形，顶点分别为(x,y)，(x1,y1)和(x2,y2)。**
+
+*如果函数的color值没给出，则使用当前的背景颜色。*
+
+| 参数 | 描述 |
+| --- | --- |
+| color | 颜色值 |
+
+* * *
+
+### lcd.fillTriangle(x, y, x1, y1, x2, y2 [,color])
+
+**例程**
+```python
+lcd.fillTriangle(122, 122, 169, 198, 151, 182, lcd.RED)
+```
+**以指定颜色画填充形式的三角形，顶点分别为(x,y)，(x1,y1)和(x2,y2)。**
+
+*如果函数的color值没给出，则使用当前的背景颜色。*
+
+| 参数 | 描述 |
+| --- | --- |
+| color | 颜色值 |
+
+
+* * *
+### lcd.drawRect(x, y, w, h, [,color])
+**例程**
+```python
+lcd.drawRect(180, 12, 122, 10, lcd.BLUE)
+```
+**以指定颜色画矩形，其中矩形左上角坐标为(x,y)，宽高分别为width和height。**
+
+*如果函数的color值没给出，则使用当前的背景颜色。*
+
+| 参数 | 描述 |
+| --- | --- |
+| w | 图形宽(单位: 像素) |
+| h | 图形高(单位: 像素) |
+| color | 颜色值 |
+
+
+
+
+* * *
+
+### lcd.drawRoundRect(x, y, w, h, r [,color])
+**例程**
+```python
+lcd.fillRoundRect(180,70,122,10,4,lcd.BLUE)
+```
+**以指定颜色画圆角矩形，其中矩形左上角坐标为(x,y)，宽高分别为width和height，圆角半径为r。**
+
+*如果函数的color值没给出，则使用当前的背景颜色。*
+
+| 参数 | 描述 |
+| --- | --- |
+| w | 图形宽(单位: 像素) |
+| h | 图形高(单位: 像素) |
+| r | 圆角半径 |
+| color | 颜色值 |
+
+
+
+
+* * *
+### lcd.print(‘text’, [x, y])
+**例程**
+```python
+lcd.print('this is a print text function', 80, 80)
+```
+**在(x,y)处开始打印文本(字符串)text。**
+
+| 参数 | 描述 |
+| --- | --- |
+| text | 要打印的内容 |
+
+
+* * *
+
+### lcd.clear([color])
+
+**例程**
+```python
+lcd.clear()
+```
+
+**清屏(即以当前的背景颜色填充整个屏幕)。**
+
+
+* * *
+
+### Usage
+
+```python
+from machine import SPI, Pin
+from display import LCD
+
+spi = SPI(1, baudrate=32000000, mosi=Pin(23), miso=Pin(19), sck=Pin(18))
+
+lcd = LCD(spi = spi) #lcd init
+lcd.fillScreen(lcd.BLACK) #set the default background color
+
+lcd.drawLine(0, 0, lcd.WHITE)
+lcd.drawTriangle(22, 22, 69, 98, 51, 22, lcd.RED)
+lcd.fillTriangle(122, 122, 169, 198, 151, 182, lcd.RED)
+lcd.drawCircle(180, 180, 10, lcd.BLUE)
+lcd.fillcircle(100, 100, 10, lcd.BLUE)
+lcd.drawRect(180, 12, 122, 10, lcd.BLUE)
+lcd.fillRect(180, 30, 122, 10, lcd.BLUE)
+lcd.drawRoundRect(180, 50, 122, 10, 4, lcd.BLUE)
+lcd.fillRoundRect(180, 70, 122, 10, 4, lcd.BLUE)
+lcd.print('this is a print text function', 80, 80)
+```
diff --git a/docs/zh_CN/product_documents.md b/docs/zh_CN/product_documents.md
index fef8b17f..a39938fc 100644
--- a/docs/zh_CN/product_documents.md
+++ b/docs/zh_CN/product_documents.md
@@ -1,6 +1,6 @@
# 产品列表
-中文 | [English](/en/product_documents) | [日本語](ja/product_documents)
+中文 | [English](en/product_documents) | [日本語](ja/product_documents)
?> 每个产品的`快速上手(Quick Start)`部分都放置在了该产品的介绍文档里。
@@ -12,17 +12,17 @@
| [GRAY](zh_CN/product_documents/m5stack-core/m5core_gray) | / |
| [FIRE](zh_CN/product_documents/m5stack-core/m5core_fire) | / |
| [FACE Kit](zh_CN/product_documents/m5stack-core/face_kit) | / |
-| [M5GO IOT Kit](/zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit) | / |
+| [M5GO IOT Kit](zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit) | / |
| 无线通信模块 | 配件模块 | 控制模块 |
| :------------------: |:------------------:| :--------------------:|
-| [GPS](/zh_CN/product_documents/modules/module_gps) | [PROTO](/zh_CN/product_documents/modules/module_proto) | [STEPMOTOR](/zh_CN/product_documents/modules/module_stepmotor)|
-| [LORA](/zh_CN/product_documents/modules/module_lora) | [BATTERY](/zh_CN/product_documents/modules/module_battery) | [SERVO](/zh_CN/product_documents/modules/module_servo) |
-| [SIM800/GPRS/GSM](/zh_CN/product_documents/modules/module_sim800) | [BTC](/zh_CN/product_documents/modules/module_btc) | [COMMU](/zh_CN/product_documents/modules/module_commu) |
-| [LoRaWAN](/zh_CN/product_documents/modules/module_lorawan) | [PLUS](/zh_CN/product_documents/modules/module_plus) | / |
+| [GPS](zh_CN/product_documents/modules/module_gps) | [PROTO](zh_CN/product_documents/modules/module_proto) | [STEPMOTOR](zh_CN/product_documents/modules/module_stepmotor)|
+| [LORA](zh_CN/product_documents/modules/module_lora) | [BATTERY](zh_CN/product_documents/modules/module_battery) | [SERVO](zh_CN/product_documents/modules/module_servo) |
+| [SIM800/GPRS/GSM](zh_CN/product_documents/modules/module_sim800) | [BTC](zh_CN/product_documents/modules/module_btc) | [COMMU](zh_CN/product_documents/modules/module_commu) |
+| [LoRaWAN](zh_CN/product_documents/modules/module_lorawan) | [PLUS](zh_CN/product_documents/modules/module_plus) | / |
| / | / | / |
| / | / | / |
| / | / | / |
@@ -33,9 +33,9 @@
| | | |
| :------------------: |:------------------:| :--------------------:|
-| [M5GO底座](/zh_CN/product_documents/bases/m5go_base) | [PLC底座](/zh_CN/product_documents/modules/module_plc) | [FACE底座](/zh_CN/product_documents/bases/face_base) |
-| [LAN底座](/zh_CN/product_documents/bases/lan_base) | / | / |
-| [Node底座](/zh_CN/product_documents/bases/node_base) | / | / |
+| [M5GO底座](zh_CN/product_documents/bases/m5go_base) | [PLC底座](zh_CN/product_documents/modules/module_plc) | [FACE底座](zh_CN/product_documents/bases/face_base) |
+| [LAN底座](zh_CN/product_documents/bases/lan_base) | / | / |
+| [Node底座](zh_CN/product_documents/bases/node_base) | / | / |
@@ -72,7 +72,7 @@
| | | |
| :------------------: |:------------------:| :--------------------:|
-| [BALA](/zh_CN/product_documents/applications/application_bala) | [LidarBot](/zh_CN/product_documents/applications/application_lidarbot) | / |
+| [BALA](zh_CN/product_documents/applications/application_bala) | [LidarBot](zh_CN/product_documents/applications/application_lidarbot) | / |
diff --git a/docs/zh_CN/product_documents/applications/application_bala.md b/docs/zh_CN/product_documents/applications/application_bala.md
index d7f0c574..b5f79385 100644
--- a/docs/zh_CN/product_documents/applications/application_bala.md
+++ b/docs/zh_CN/product_documents/applications/application_bala.md
@@ -1,53 +1,31 @@
-# M5Stack BALA
+# BALA
-中文 | [English](/en/product_documents/applications/application_bala) | [日本語](ja/product_documents/applications/application_bala)
+中文 | [English](en/product_documents/applications/application_bala) | [日本語](ja/product_documents/applications/application_bala)
-## DESCRIPTION
+## 描述
-The M5Stack BALA is a balance bot based on M5Stack FIRE, including a 2 DC driver module based on Mega328p which is a core chip on Arduino UNO
-You can even program The M5Stack BALA through Arduino or MicroPython with few code
+BALA是堆叠了M5Fire，以[M5Fire](https://m5stack.github.io/m5-docs/#/zh_CN/product_documents/m5stack-core/m5core_fire)做主控的平衡车应用，还包括了MEGA328为主控的2路直流电机驱动模块和两个轮子。你可以Arduino或MicroPython编程它。
-The 2 DC driver module communicates with M5Stack FIRE through I2C bus. It's default I2C address is **0x56**
+2路直流电机模块与M5Fire之间通过IIC通信，它的IIC地址是**0x56**。
-## FEATURES
+## 特性
-- Programming Support
- + Python
-- Compatible LEGO
-- POGO Pin
-- TF Card Support
+- 支持Arduino编程和Python编程
+- 兼容LEGO
+- M5Fire支持插入TF卡
-## PARAMETER
-
-Model | M5Stack FIRE
----|---
-ESP32 | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth
-Flash | 16MB Flash + 4MB pSRAM
-Input | 5V @ 500mA
-Interface | TypeC x 1, GROVE(I2C+I/0+UART), Pogo Pin x 1
-LCD | 2 inch, 320x240 Colorful TFT LCD, ILI9342
-Speaker | 1W-0928
-Microphone | MEMS Analog BSE3729 Microphone
-LED | SK6812 3535 RGB LED x 10
-MEMS | MPU9250 (MPU6500 + AK8963)
-Battery | 550mAh @ 3.7V, inside
-Op.Temp. | 32°F to 104°F ( 0°C to 40°C )
-Size | 54 x 54 x 21 mm
-C.A.S.E | Plastic ( PC )
-Weight | 56g
-
-## INCLUDES
+## 包括
- 1x M5Stack BALA
-- 1x Motor Driver
-- 2x N20(Encoder included)
-- Type-C USB Cable
+- 1x 电机驱动
+- 2x 带编码器的N20电机
+- Type-C USB线
-## DOCUMENTS
-- **Example** - [Arduino](https://github.com/m5stack/M5Bala/tree/master/examples) - [MicroPython](https://github.com/m5stack/M5Bala/tree/master/mpy)
-- **[QuickStart](https://github.com/m5stack/M5Bala)**
-- **[Purchase](https://www.aliexpress.com/store/product/M5Satck-New-BALA-Car-ESP32-Development-Mini-Electric-Self-balancing-Car-2DC-Motor-with-Encoder-PSRAM/3226069_32904033658.html?spm=2114.12010615.8148356.40.1fd3724dW3O2Bu.html)**
+## 相关链接
+- **例程** - [Arduino](https://github.com/m5stack/M5Bala/tree/master/examples) - [MicroPython](https://github.com/m5stack/M5Bala/tree/master/mpy)
+- **[上手指南](https://github.com/m5stack/M5Bala)**
+- **[购买链接](https://www.aliexpress.com/store/product/M5Satck-New-BALA-Car-ESP32-Development-Mini-Electric-Self-balancing-Car-2DC-Motor-with-Encoder-PSRAM/3226069_32904033658.html?spm=2114.12010615.8148356.40.1fd3724dW3O2Bu.html)**
diff --git a/docs/zh_CN/product_documents/applications/application_lidarbot.md b/docs/zh_CN/product_documents/applications/application_lidarbot.md
index 86706ff3..a83b4810 100644
--- a/docs/zh_CN/product_documents/applications/application_lidarbot.md
+++ b/docs/zh_CN/product_documents/applications/application_lidarbot.md
@@ -1,6 +1,6 @@
# LidarBot
-中文 | [English](/en/product_documents/applications/application_lidarbot) | [日本語](ja/product_documents/applications/application_lidarbot)
+中文 | [English](en/product_documents/applications/application_lidarbot) | [日本語](ja/product_documents/applications/application_lidarbot)
## 描述
diff --git a/docs/zh_CN/product_documents/tools/tool_usb_downloader.md b/docs/zh_CN/product_documents/tools/tool_usb_downloader.md
index b3132936..b3b6a6b8 100644
--- a/docs/zh_CN/product_documents/tools/tool_usb_downloader.md
+++ b/docs/zh_CN/product_documents/tools/tool_usb_downloader.md
@@ -1,13 +1,11 @@
# M5Stack USB Downloader
-中文 | [English](/en/product_documents/tools/tool_usb_downloader) | [日本語](ja/product_documents/tools/tool_usb_downloader)
+中文 | [English](en/product_documents/tools/tool_usb_downloader) | [日本語](ja/product_documents/tools/tool_usb_downloader)
## 描述
内置CP2104芯片的串口转USB烧录工具，使用这款工具，能自动烧录固件。
-TXD led, RXD led, Power led and 6pin @ 2.54mm bus sockets.
-
## 参数
| 管脚号 | 管脚名字 |
diff --git a/docs/zh_CN/quick_start/bala/bala_quick_start.md b/docs/zh_CN/quick_start/bala/bala_quick_start.md
index ab35a773..b051280c 100644
--- a/docs/zh_CN/quick_start/bala/bala_quick_start.md
+++ b/docs/zh_CN/quick_start/bala/bala_quick_start.md
@@ -2,4 +2,4 @@
中文 | [English](en/quick_start/bala/bala_quick_start) | [日本語](ja/quick_start/bala/bala_quick_start)
-## (coming soon...)
\ No newline at end of file
+## (在编辑中...)
\ No newline at end of file
diff --git a/docs/zh_CN/quick_start/m5camera/m5camera_quick_start.md b/docs/zh_CN/quick_start/m5camera/m5camera_quick_start.md
index dc025d8f..cdd75db2 100644
--- a/docs/zh_CN/quick_start/m5camera/m5camera_quick_start.md
+++ b/docs/zh_CN/quick_start/m5camera/m5camera_quick_start.md
@@ -2,32 +2,32 @@
中文 | [English](en/quick_start/m5camera/m5camera_quick_start) | [日本語](ja/quick_start/m5camera/m5camera_quick_start)
-## 1. Out-of-the-box Demo
+## 1. 开箱即用的Demo
-It is really really out of the box. Your ESP32Cam/M5Camera will immediately run without any code after you power it.
+*这是一个开箱即用的例程，摄像头模块预置了这个例程。*
-1. plug usb cable into ESP32Cam/M5Camera and open the serial terminal on your computer.
+*如果你拿到摄像头模块之后，不需要写任何代码即可能看到摄像头拍摄的图像。*
+
+1. 向ESP32Cam/M5Camera插入USB线以供电，然后打开电脑的串口终端。
-2. Then waitting a few seconds, you connect to a AP named "`M5CAM`" with your computer(or mobile phone).
+2. 等待几秒之后，用电脑连接名为`M5CAM`的热点。
-3. And you open the browser on the computer(or mobile phone), enter a URL `http://192.168.4.1`. At the moment, your can see the real-time transmission of video by ESP32Cam/M5Camera on the browser.
+3. 打开浏览器，访问网址`http://192.168.4.1`。 此时，即可看到ESP32Cam/M5Camera实时传输的图像。
-Now, A WebCam you achieved successfully !
+*注意:*
-*Note:*
-
-ESP32CAM AP only can connect with one device at a time.
+ESP32CAM的热点一次只能连接一台电脑
\ No newline at end of file
diff --git a/docs/zh_CN/related_documents/how_to_install_git_and_arduino.md b/docs/zh_CN/related_documents/how_to_install_git_and_arduino.md
index 3ff41dd8..1b0c2704 100644
--- a/docs/zh_CN/related_documents/how_to_install_git_and_arduino.md
+++ b/docs/zh_CN/related_documents/how_to_install_git_and_arduino.md
@@ -1,20 +1,22 @@
-# How to install Git and Arduino IDE (Windows)
+# 安装Git和Arduino IDE (Windows)
-中文 | [English](/en/related_documents/how_to_install_git_and_arduino) | [日本語](ja/related_documents/how_to_install_git_and_arduino)
+中文 | [English](en/related_documents/how_to_install_git_and_arduino) | [日本語](ja/related_documents/how_to_install_git_and_arduino)
-## 1. Install `Git`
-If you has installed `Git`, please following next setp 2 straight.Otherwise, download the client of [Git](https://git-scm.com/download/win) and install it.
+## 1. 安装`Git`
+如果你已经安装了`Git`，请直接从第2步开始。
-## 2. Install `Arduino IDE`
+否则点击这里下载[Git](https://git-scm.com/download/win)并安装它
-*download address*
+## 2. 安装`Arduino IDE`
+
+*下载地址*
https://www.arduino.cc/en/Main/Software
-Double click to install Arduino IDE
+双击安装Arduino IDE，全程保持默认的选择，包括安装路径也是默认。
diff --git a/docs/zh_CN/related_documents/upgrade_m5stack_lib.md b/docs/zh_CN/related_documents/upgrade_m5stack_lib.md
index 17af843e..81d30340 100644
--- a/docs/zh_CN/related_documents/upgrade_m5stack_lib.md
+++ b/docs/zh_CN/related_documents/upgrade_m5stack_lib.md
@@ -1,18 +1,18 @@
-# Upgrade M5Stack Lib
+# 升级M5Stack库(Arduino IDE Library)
-中文 | [English](/en/related_documents/upgrade_m5stack_lib) | [日本語](ja/related_documents/upgrade_m5stack_lib)
+中文 | [English](en/related_documents/upgrade_m5stack_lib) | [日本語](ja/related_documents/upgrade_m5stack_lib)
-### 1. Start up Arduino IDE, then Select `Sketch`->`Include Library`->`Manage Libraries...`
+### 1. 打开Arduino IDE，然后点击`Sketch`->`Include Library`->`Manage Libraries...`
-### 2. Type `M5Stack` into the search box, search it.
+### 2. 在搜索框输入`M5Stack`，并搜索
-### 3. If it shows as below figure, click `Update`.
+### 3. 如果显示如下，则点击`Update`.
-**But if it shows `Install`, it means you has not installed M5Stack Lib. So, you need click `Install` for installing lib.**
+**但是如果显示`Install`，这意味着你之前还没安装M5Stack库，所以点击`Install`进行安装。**
