diff --git a/docs/en/core/basic.md b/docs/en/core/basic.md
index 615deef0..5ed2a82b 100644
--- a/docs/en/core/basic.md
+++ b/docs/en/core/basic.md
@@ -218,7 +218,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
 
 ## Learn
 
--  **Datasheet** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf) - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+-  **Datasheet** - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf) - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 ## Version Change
diff --git a/docs/en/core/face_kit.md b/docs/en/core/face_kit.md
index 7dd2d9e3..9cec2a0a 100644
--- a/docs/en/core/face_kit.md
+++ b/docs/en/core/face_kit.md
@@ -148,14 +148,13 @@ The newly-produced M5Core replaces the screen with better display performance an
 
 -  **Datasheet** 
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **Register Manual** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 **IP5306 charging/discharging，Voltage parameter**
diff --git a/docs/en/core/fire.md b/docs/en/core/fire.md
index af629049..940cf9ab 100644
--- a/docs/en/core/fire.md
+++ b/docs/en/core/fire.md
@@ -271,14 +271,14 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
 
 -  **Datasheet** 
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
 
 - **Register Manual** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 ## Version Change
diff --git a/docs/en/core/gray.md b/docs/en/core/gray.md
index 22aab395..2aa488d2 100644
--- a/docs/en/core/gray.md
+++ b/docs/en/core/gray.md
@@ -258,16 +258,15 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
 
 ## Links
 
--  **datasheet**
+-  **Datasheet** 
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **Register Manual** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 - **[schematic](https://github.com/m5stack/M5-Schematic/blob/master/Core/Basic/M5-Core-Schematic(20171206).pdf)**
 
diff --git a/docs/en/core/m5go.md b/docs/en/core/m5go.md
index 1d0725b5..53fd4e6d 100644
--- a/docs/en/core/m5go.md
+++ b/docs/en/core/m5go.md
@@ -256,15 +256,15 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
 
 ## Related Link
 
--  **Datasheet**
+-  **Datasheet** 
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
-- **Register Manual**
+- **Register Manual** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 ## Version Change
 
diff --git a/docs/en/core/m5go_lite.md b/docs/en/core/m5go_lite.md
index 94e31411..ff698c3c 100644
--- a/docs/en/core/m5go_lite.md
+++ b/docs/en/core/m5go_lite.md
@@ -254,15 +254,15 @@ For more information about Pin assignment and Pin Remapping, Please refer to EPS
 
 ## Related Link
 
--  **Datasheet**
+-  **Datasheet** 
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
-- **Register Manual**
+- **Register Manual** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 ## Version Change
diff --git a/docs/en/core/m5stick.md b/docs/en/core/m5stick.md
index 109554e5..6b333a2b 100644
--- a/docs/en/core/m5stick.md
+++ b/docs/en/core/m5stick.md
@@ -160,9 +160,9 @@ To complete schematic, click [here](https://github.com/m5stack/M5-Schematic/tree
 
 ## Related Link
 
--  **Datasheet** - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf) - [MPU9250](https://www.invensense.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf)
+-  **Datasheet** - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_en.pdf) - [MPU9250](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/PS-MPU-9250A-01-v1.1_en.pdf)
 
-- **Register Manual** - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+- **Register Manual** - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 ## Example
 
diff --git a/docs/en/core/m5stickc.md b/docs/en/core/m5stickc.md
index 32c00982..72e4f907 100644
--- a/docs/en/core/m5stickc.md
+++ b/docs/en/core/m5stickc.md
@@ -156,13 +156,13 @@ Power structure block diagram
 
 -  **datasheet**
 
-    - [ESP32-PICO](https://www.espressif.com/sites/default/files/documentation/esp32-pico-d4_datasheet_en.pdf)
-    - [ST7735S](https://github.com/m5stack/M5-Schematic/blob/master/Core/ST7735S_v1.1.pdf)
-    - [BM8563](http://www.belling.com.cn/media/file_object/bel_product/BM8563/datasheet/BM8563_V1.1_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
-    - [AXP192](https://github.com/m5stack/M5-Schematic/blob/master/Core/AXP192%20Datasheet_v1.1_en_draft_2211.pdf)
-    - [SPM1423](https://pdf1.alldatasheet.com/datasheet-pdf/view/546596/KNOWLES/SPM1423HM4H-B.html)
+    - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_en.pdf)
+    - [ST7735S](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/ST7735S_v1.1_en.pdf)
+    - [BM8563](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BM8563_V1.1_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
+    - [AXP192](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/AXP192_datasheet_en.pdf)
+    - [SPM1423](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SPM1423HM4H-B_datasheet_en.pdf)
 
 
 ## Version Change
@@ -184,6 +184,10 @@ Power structure block diagram
             <td>2019.8</td>
             <td>SH200Q changed to MPU6886</td>
         </tr>
+        <tr>
+            <td>2019.10</td>
+            <td>Upgrade the bottom and add copper nuts</td>
+        </tr>
         <tbody>
     </table>
 </div>
diff --git a/docs/en/core/m5stickv.md b/docs/en/core/m5stickv.md
index 998d80b3..e8176b47 100644
--- a/docs/en/core/m5stickv.md
+++ b/docs/en/core/m5stickv.md
@@ -306,8 +306,9 @@ The triple-axis MEMS accelerometer in MPU-6886 includes a wide range of features
 
 -  **datasheet**
 
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
 
 ## Schematic
+
 <img src="assets\img\product_pics\core\minicore\m5stickv/m5stickv_04.jpg" width="30%" height="30%">
\ No newline at end of file
diff --git a/docs/en/hat/hat-adc.md b/docs/en/hat/hat-adc.md
index fbf0c612..218fc063 100644
--- a/docs/en/hat/hat-adc.md
+++ b/docs/en/hat/hat-adc.md
@@ -42,7 +42,7 @@ ADS1100 itself is able to accept a differential input from -5 ~ +5 V, but we hav
 
 ## Links
 
--  **Datasheet** - [ADS1100](http://www.ti.com/lit/ds/symlink/ads1100.pdf)
+-  **Datasheet** - [ADS1100](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/ads1100_en.pdf)
 
   
 ## Schematic
diff --git a/docs/en/hat/hat-dac.md b/docs/en/hat/hat-dac.md
index 690147d8..d1a88c32 100644
--- a/docs/en/hat/hat-dac.md
+++ b/docs/en/hat/hat-dac.md
@@ -49,7 +49,7 @@ I2C address: 0x60
 
 ## Links
 
--  **Datasheet** - [MCP4725](http://pdf1.alldatasheet.com/datasheet-pdf/view/233449/MICROCHIP/MCP4725.html)
+-  **Datasheet** - [MCP4725](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/MCP4725_en.pdf)
   
 ## Schematic
 
diff --git a/docs/en/hat/hat-env.md b/docs/en/hat/hat-env.md
index 46ce39d9..d64ddd32 100644
--- a/docs/en/hat/hat-env.md
+++ b/docs/en/hat/hat-env.md
@@ -53,7 +53,11 @@
 
 - **[BMP280 library](https://github.com/adafruit/Adafruit_BMP280_Library)**
 
-- **[BMM150 Datasheet](https://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)**
+- **[BMP280 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/BMP280-DS001-11_en.pdf)**
+
+- **[DHT12 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/DHT12_en.pdf)**
+
+- **[BMM150 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)**
 
 
 ## EasyLoader
diff --git a/docs/en/hat/hat-finger.md b/docs/en/hat/hat-finger.md
index c8a12ec5..ad24a1ac 100644
--- a/docs/en/hat/hat-finger.md
+++ b/docs/en/hat/hat-finger.md
@@ -74,7 +74,7 @@ UART settings:
 
 ## Document
 
--  **Datasheet** - [FPC1020 DataSheet](http://www.shenzhen2u.com/doc/Module/Fingerprint/710-FPC1020_PB3_Product-Specification.pdf)
+-  **Datasheet** - [FPC1020A DataSheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/1020A_datasheet_cn.pdf)
 
 
 ## Related Video
diff --git a/docs/en/hat/hat-ncir.md b/docs/en/hat/hat-ncir.md
index 41e6584e..2ce0de80 100644
--- a/docs/en/hat/hat-ncir.md
+++ b/docs/en/hat/hat-ncir.md
@@ -45,12 +45,7 @@ Connect with M5StickC via GOIO 0/26 (I2C add: 0x5A).<br>
 
 ## Links
 
-- **[Official Channel](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
-
-- **[Official forum](http://forum.m5stack.com/)**
-
-
-- **[MLX90614 Datasheet](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MLX90614-Datasheet-Melexis.pdf)**
+- **[MLX90614 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/MLX90614-Datasheet-Melexis_en.pdf)**
 
 
 ## EasyLoader
diff --git a/docs/en/hat/hat-pir.md b/docs/en/hat/hat-pir.md
index d47d9f3d..4c7e29ee 100644
--- a/docs/en/hat/hat-pir.md
+++ b/docs/en/hat/hat-pir.md
@@ -56,7 +56,8 @@
 
 
 ## Example
-- **[Arduino](https://github.com/m5stack/M5StickC/tree/master/examples/Hat/ENV)**
+
+- **[Arduino](https://github.com/m5stack/M5StickC/tree/master/examples/Hat/PIR)**
 
 ### Pin Map
 
diff --git a/docs/zh_CN/core/basic.md b/docs/zh_CN/core/basic.md
index d41d4471..797e10ba 100644
--- a/docs/zh_CN/core/basic.md
+++ b/docs/zh_CN/core/basic.md
@@ -216,9 +216,7 @@ M5Stack Basic 由两个可分离部分堆叠组成. 顶部放置了电路板，
 
 ## 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)
+-  **Datasheet** - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf) - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 ## 版本变更
diff --git a/docs/zh_CN/core/face_kit.md b/docs/zh_CN/core/face_kit.md
index e7703f6e..57573987 100644
--- a/docs/zh_CN/core/face_kit.md
+++ b/docs/zh_CN/core/face_kit.md
@@ -94,17 +94,15 @@
 
 ### 相关链接
 
+- **数据手册**
 
--  **数据手册**
-
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **寄存器手册** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 **IP5306充/放电，电压参数**
diff --git a/docs/zh_CN/core/fire.md b/docs/zh_CN/core/fire.md
index e2a1a64a..084109f1 100644
--- a/docs/zh_CN/core/fire.md
+++ b/docs/zh_CN/core/fire.md
@@ -274,16 +274,16 @@ Fire 中的 GPIO 16 / 17 默认与PSRAM连接，因此当你在连接或是堆
 
 ## 相关链接
 
--  **数据手册**
+- **数据手册**
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
 
 - **寄存器手册** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 - **[原理图](https://github.com/m5stack/M5-Schematic/blob/master/Core/Basic/M5-Core-Schematic(20171206).pdf)**
diff --git a/docs/zh_CN/core/gray.md b/docs/zh_CN/core/gray.md
index d9952eb1..9bba1270 100644
--- a/docs/zh_CN/core/gray.md
+++ b/docs/zh_CN/core/gray.md
@@ -248,16 +248,15 @@
 
 ## 相关链接
 
--  **数据手册**
+- **数据手册**
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **寄存器手册** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 - **[原理图](https://github.com/m5stack/M5-Schematic/blob/master/Core/Basic/M5-Core-Schematic(20171206).pdf)**
diff --git a/docs/zh_CN/core/m5go.md b/docs/zh_CN/core/m5go.md
index 9379cf51..7e98da2b 100644
--- a/docs/zh_CN/core/m5go.md
+++ b/docs/zh_CN/core/m5go.md
@@ -258,15 +258,15 @@
 
 ## 相关链接
 
--  **数据手册**
+- **数据手册**
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **寄存器手册** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 ## 版本变更
 
diff --git a/docs/zh_CN/core/m5go_lite.md b/docs/zh_CN/core/m5go_lite.md
index 9c81ef49..74ffaa1d 100644
--- a/docs/zh_CN/core/m5go_lite.md
+++ b/docs/zh_CN/core/m5go_lite.md
@@ -261,15 +261,15 @@
 
 ## 相关链接
 
--  **数据手册**
+- **数据手册**
 
-    - [ESP32](https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [BMM150](http://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)
+    - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [BMM150](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)
 
 - **寄存器手册** 
 
-    - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+    - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 
 ## 版本变更
diff --git a/docs/zh_CN/core/m5stick.md b/docs/zh_CN/core/m5stick.md
index 170ab9ad..42a1f59e 100644
--- a/docs/zh_CN/core/m5stick.md
+++ b/docs/zh_CN/core/m5stick.md
@@ -164,9 +164,9 @@ M5stick 是 M5Stack 产品系列中的核心设备之一，该产品系列建立
 
 ## 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/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf)
+-  **数据手册** - [ESP32](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32_datasheet_cn.pdf) - [MPU9250](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/PS-MPU-9250A-01-v1.1_en.pdf)
 
-- **寄存器手册** - [IP5306](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)
+- **寄存器手册** - [IP5306](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/IIC_IP5306_REG_V1.4_cn.pdf)
 
 ## 例程
 
@@ -176,9 +176,9 @@ M5stick 是 M5Stack 产品系列中的核心设备之一，该产品系列建立
 
     - [M5Stick 手表](https://github.com/m5stack/StickWatch)
 
-        <video width="500" height="315" controls>
-            <source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201901/M5Stick%20Watch.mp4" type="video/mp4">
-        </video>
+      <video width="500" height="315" controls>
+         <source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201901/M5Stick%20Watch.mp4" type="video/mp4">
+      </video>
 
 * **UIFlow**
 
diff --git a/docs/zh_CN/core/m5stickc.md b/docs/zh_CN/core/m5stickc.md
index d4357d54..6258faae 100644
--- a/docs/zh_CN/core/m5stickc.md
+++ b/docs/zh_CN/core/m5stickc.md
@@ -161,13 +161,15 @@ M5StickC仅支持WIN10&Linux&MAC免驱，其余操作系统则需要用户自行
 
 -  **数据手册**
 
-    - [ESP32-PICO](https://www.espressif.com/sites/default/files/documentation/esp32-pico-d4_datasheet_cn.pdf)
-    - [ST7735S](https://github.com/m5stack/M5-Schematic/blob/master/Core/ST7735S_v1.1.pdf)
-    - [BM8563](http://www.belling.com.cn/media/file_object/bel_product/BM8563/datasheet/BM8563_V1.1_cn.pdf)
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
-    - [AXP192](https://github.com/m5stack/M5-Schematic/blob/master/Core/AXP192%20Datasheet%20v1.13_cn.pdf)
-    - [SPM1423](https://pdf1.alldatasheet.com/datasheet-pdf/view/546596/KNOWLES/SPM1423HM4H-B.html)
+-  **datasheet**
+
+    - [ESP32-PICO](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/esp32-pico-d4_datasheet_cn.pdf)
+    - [ST7735S](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/ST7735S_v1.1_en.pdf)
+    - [BM8563](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BM8563_V1.1_cn.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
+    - [AXP192](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/AXP192_datasheet_cn.pdf)
+    - [SPM1423](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SPM1423HM4H-B_datasheet_en.pdf)
 
 
 ## 版本变更
@@ -189,6 +191,10 @@ M5StickC仅支持WIN10&Linux&MAC免驱，其余操作系统则需要用户自行
             <td>2019.8</td>
             <td>SH200Q变更为MPU6886</td>
         </tr>
+        <tr>
+            <td>2019.10</td>
+            <td>升级底部,添加铜螺母</td>
+        </tr>
         <tbody>
     </table>
 </div>
diff --git a/docs/zh_CN/core/m5stickv.md b/docs/zh_CN/core/m5stickv.md
index dce1580d..51a1844c 100644
--- a/docs/zh_CN/core/m5stickv.md
+++ b/docs/zh_CN/core/m5stickv.md
@@ -302,8 +302,9 @@ MPU-6886中的三轴MEMS加速度计包括多种功能：
 
 -  **数据手册**
 
-    - [MPU6886](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MPU-6886-000193%2Bv1.1_GHIC.PDF.pdf)
-    - [SH200Q](https://github.com/m5stack/M5-Schematic/blob/master/Core/SH200Q.pdf)
+    - [MPU6886](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/MPU-6886-000193%2Bv1.1_GHIC_en.pdf)
+    - [SH200Q](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/SH200Q_en.pdf)
 
 ## 原理图
+
 <img src="assets\img\product_pics\core\minicore\m5stickv/m5stickv_04.jpg" width="30%" height="30%">
\ No newline at end of file
diff --git a/docs/zh_CN/hat/hat-adc.md b/docs/zh_CN/hat/hat-adc.md
index baffa1ef..21edb237 100644
--- a/docs/zh_CN/hat/hat-adc.md
+++ b/docs/zh_CN/hat/hat-adc.md
@@ -45,7 +45,8 @@ ADS1100允许-5~ + 5V的差分输入，但我们通过增加该IC的外围电路
 
 ## 相关链接
 
--  **Datasheet** - [ADS1100](http://www.ti.com/lit/ds/symlink/ads1100.pdf)
+-  **Datasheet** - [ADS1100](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/ads1100_en.pdf)
+
 
 
 ## 原理图
diff --git a/docs/zh_CN/hat/hat-dac.md b/docs/zh_CN/hat/hat-dac.md
index f0074279..a44c30fc 100644
--- a/docs/zh_CN/hat/hat-dac.md
+++ b/docs/zh_CN/hat/hat-dac.md
@@ -68,7 +68,7 @@
 
 ## 相关链接
 
--  **Datasheet** - [MCP4725](http://pdf1.alldatasheet.com/datasheet-pdf/view/233449/MICROCHIP/MCP4725.html)
+-  **Datasheet** - [MCP4725](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/MCP4725_en.pdf)
 
 
 ## 相关视频
diff --git a/docs/zh_CN/hat/hat-env.md b/docs/zh_CN/hat/hat-env.md
index 6df5f285..d1f2b283 100644
--- a/docs/zh_CN/hat/hat-env.md
+++ b/docs/zh_CN/hat/hat-env.md
@@ -50,9 +50,13 @@
 
 - **[官方论坛](http://forum.m5stack.com/)**
 
-- **[BMP280 的库](https://github.com/adafruit/Adafruit_BMP280_Library)**
+- **[BMP280 库](https://github.com/adafruit/Adafruit_BMP280_Library)**
 
-- **[BMM150 数据手册](https://pdf1.alldatasheet.com/datasheet-pdf/view/608913/ETC2/BMM150.html)**
+- **[BMP280 数据手册](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/BMP280-DS001-11_en.pdf)**
+
+- **[DHT12 数据手册](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/DHT12_en.pdf)**
+
+- **[BMM150 数据手册](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/BMM150_datasheet_en.pdf)**
 
 
 ## EasyLoader
diff --git a/docs/zh_CN/hat/hat-finger.md b/docs/zh_CN/hat/hat-finger.md
index 59a2d219..290b6d62 100644
--- a/docs/zh_CN/hat/hat-finger.md
+++ b/docs/zh_CN/hat/hat-finger.md
@@ -73,7 +73,7 @@ UART 参数设置:
 
 ## 相关链接
 
--  **Datasheet** - [FPC1020 DataSheet](http://www.shenzhen2u.com/doc/Module/Fingerprint/710-FPC1020_PB3_Product-Specification.pdf)
+-  **Datasheet** - [FPC1020A DataSheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/1020A_datasheet_cn.pdf)
 
 
 ## 相关视频
diff --git a/docs/zh_CN/hat/hat-ncir.md b/docs/zh_CN/hat/hat-ncir.md
index d1dcab99..7807878f 100644
--- a/docs/zh_CN/hat/hat-ncir.md
+++ b/docs/zh_CN/hat/hat-ncir.md
@@ -41,11 +41,7 @@ IIC（0x5A）
 
 ## 相关链接
 
-- **[官方频道视频](https://i.youku.com/i/UNjE1ODA2MzE0OA==?spm=a2hzp.8253869.0.0)**
-
-- **[官方论坛](http://forum.m5stack.com/)**
-
-- **[MLX90614 Datasheet](https://github.com/m5stack/M5-Schematic/blob/master/datasheet/MLX90614-Datasheet-Melexis.pdf)**
+- **[MLX90614 Datasheet](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/MLX90614-Datasheet-Melexis_en.pdf)**
 
 ## EasyLoader
 
diff --git a/docs/zh_CN/hat/hat-pir.md b/docs/zh_CN/hat/hat-pir.md
index 055a1899..2d6afb70 100644
--- a/docs/zh_CN/hat/hat-pir.md
+++ b/docs/zh_CN/hat/hat-pir.md
@@ -53,6 +53,12 @@
 
 >2.下载软件后，双击运行应用程序，将M5设备通过数据线连接至电脑,选择端口参数，点击 **"Burn"** 即可开始烧录.(**为M5StickC烧录时，请将波特率设置在750000或115200**)
 
+
+## 案例
+
+- **[Arduino](https://github.com/m5stack/M5StickC/tree/master/examples/Hat/PIR)**
+
+
 ### 管脚映射
 
 <table>
diff --git a/docs/zh_CN/module/servo.md b/docs/zh_CN/module/servo.md
index 1e41410a..5991ad86 100644
--- a/docs/zh_CN/module/servo.md
+++ b/docs/zh_CN/module/servo.md
@@ -15,7 +15,7 @@ SERVO 基于 MEGA328 芯片进行 I2C 通信(0x53).
 ## 产品特性
 
 -  12x 舵机驱动通道
--  DC 输入: 6-12V
+-  DC 输入: 6-24V
 -  DC 连接器类型: XT30 (母头)
 -  电源设配器接口: 5.5mm x 2.1mm
 -  产品尺寸：54.2mm x 54.2mm x 12.8mm