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diff --git a/docs/assets/img/product_pics/unit/unit_m5camera_x_01.png b/docs/assets/img/product_pics/unit/unit_m5camera_x_01.png
index b1e0e06e..4a227585 100644
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diff --git a/docs/assets/img/product_pics/unit/unit_m5camera_x_02.png b/docs/assets/img/product_pics/unit/unit_m5camera_x_02.png
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diff --git a/docs/en/unit/color.md b/docs/en/unit/color.md
index 7953e5d2..15e54911 100644
--- a/docs/en/unit/color.md
+++ b/docs/en/unit/color.md
@@ -13,7 +13,7 @@
 ## Feature
 
 -  High precision
--  Detection range: -70℃~382.2℃
+-  Detection range: 0℃~80℃
 -  GROVE interface, support [UiFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
 -  Two Lego installation holes
 
diff --git a/docs/en/unit/esp32cam.md b/docs/en/unit/esp32cam.md
index 4e498693..e48318bf 100644
--- a/docs/en/unit/esp32cam.md
+++ b/docs/en/unit/esp32cam.md
@@ -135,23 +135,6 @@ Because the module can generate WIFI hotspot AP, So you can use your mobile phon
 
 - **[ESP32CAM Firmware](https://github.com/m5stack/m5stack-cam-psram/tree/normal)**
 
-<!-- ## Example -->
-
-<!-- ```arduino
-float tmp = dht12.readTemperature();//temperature
-float hum = dht12.readHumidity();//humidity
-float pressure = bme.readPressure();//pressure
-```
-
-Click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/ESP32CAM)for Specific example. -->
-
 <!-- ## Schematic
 
 <img src="assets/img/product_pics/unit/esp32cam_sch.JPG"> -->
-
-<!-- ### PinMap -->
-
-<!-- <table>
- <tr><td>M5Core(GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
- <tr><td>ESP32CAM Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
-</table> -->
\ No newline at end of file
diff --git a/docs/en/unit/ncir.md b/docs/en/unit/ncir.md
index cae86524..8afa1f62 100644
--- a/docs/en/unit/ncir.md
+++ b/docs/en/unit/ncir.md
@@ -8,7 +8,7 @@
 
 ## Description
 
-**<mark>NCIR</mark>** is a unit can measure body temperature or be applicated for movement detection which integrates **MLX90641** (an infrared thermometer designed for non-contact temperature sensing).
+**<mark>NCIR</mark>** is a unit can measure body temperature or be applicated for movement detection which integrates **MLX90614** (an infrared thermometer designed for non-contact temperature sensing).
 
 The unit comunicates with M5Core with I2C. And It's I2C address is 0x5A.
 
diff --git a/docs/ja/unit/ncir.md b/docs/ja/unit/ncir.md
index 5b1a73bb..8ad1b067 100644
--- a/docs/ja/unit/ncir.md
+++ b/docs/ja/unit/ncir.md
@@ -10,7 +10,7 @@
 
 ## 概要
 
-**<mark>NCIR</mark>**ユニットは内蔵されている**MLX90641**により赤外線を測定する事で、体温測定や動きを検出する事が可能です。I2C通信により値の取得が可能です。
+**<mark>NCIR</mark>**ユニットは内蔵されている**MLX90614**により赤外線を測定する事で、体温測定や動きを検出する事が可能です。I2C通信により値の取得が可能です。
 
 ## 特徴
 
diff --git a/docs/zh_CN/unit/color.md b/docs/zh_CN/unit/color.md
index 8aae4ba7..db741920 100644
--- a/docs/zh_CN/unit/color.md
+++ b/docs/zh_CN/unit/color.md
@@ -13,7 +13,7 @@ Color是一个颜色传感器. 通过GROVE接口(I2C)与M5Core相连，能够识
 ## 特性
 
 -  高精度
--  检测的适用温度范围: -70℃~382.2℃
+-  检测的适用温度范围: 0℃~80℃
 -  Unit上配置两个乐高安装孔
 
 ## 应用
diff --git a/docs/zh_CN/unit/esp32cam.md b/docs/zh_CN/unit/esp32cam.md
index 8d826635..55f6172a 100644
--- a/docs/zh_CN/unit/esp32cam.md
+++ b/docs/zh_CN/unit/esp32cam.md
@@ -98,6 +98,8 @@
 
 **BME280 接口**
 
+*IIC 地址是 0x76*
+
 | *BME280*         | *ESP32Cam*    |
 | :-----------: | :--------:  |
 | SCL           | IO4         |
@@ -106,6 +108,8 @@
 
 **MPU6050 接口**
 
+*IIC 地址是 0x68*
+
 | *MPU6050*         | *ESP32Cam*    |
 | :-----------: | :--------:  |
 | SCL           | IO4         |
@@ -140,35 +144,3 @@
 - **[颜色识别](https://github.com/m5stack/Applications-cam)**
 
 - **[人脸识别](https://github.com/m5stack/esp-who)** -->
-
-<!-- ## 例程 -->
-
-<!-- ### 1. Arduino IDE
-
-```arduino
-DHT12 dht12; //new a object
-Adafruit_BMP280 bme;
-
-float tmp = dht12.readTemperature();//temperature
-float hum = dht12.readHumidity();//humidity
-float pressure = bme.readPressure();//pressure
-```
-
-具体例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/ESP32CAM/Arduino)。
-
-### 2. UIFlow
-
-<img src="assets/img/product_pics/unit/unit_example/example_unit_esp32cam_01.png" width="30%" height="30%"> <img src="assets/img/product_pics/unit/unit_example/example_unit_esp32cam_02.png" width="55%" height="55%">
-
-具体例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/ESP32CAM/UIFlow)。 -->
-
-<!-- ## 原理图
-
-<img src="assets/img/product_pics/unit/esp32cam_sch.JPG"> -->
-
-<!-- ### 管脚映射 -->
-
-<!-- <table>
- <tr><td>M5Core(GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
- <tr><td>ESP32CAM Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
-</table> -->
\ No newline at end of file