diff --git a/docs/en/base/base15.md b/docs/en/base/base15.md
index 7ee92d02..896928d6 100644
--- a/docs/en/base/base15.md
+++ b/docs/en/base/base15.md
@@ -45,7 +45,7 @@ This base gives you an unlimited of combinations, it is powerful, flexible, and
 
 ## Schematic
 
-- **[Schematic](https://github.com/m5stack/M5-Schematic/blob/master/Bases/BASE15.pdf)**
+- **[Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Bases/BASE15.pdf)**
 
 <script>
 
diff --git a/docs/en/base/base26.md b/docs/en/base/base26.md
index e892dae5..6bc7e660 100644
--- a/docs/en/base/base26.md
+++ b/docs/en/base/base26.md
@@ -48,7 +48,7 @@ This base gives you an unlimited of combinations, it is powerful, flexible, and
 
 ## Schematic
 
-- **[Schematic](https://github.com/m5stack/M5-Schematic/blob/master/Bases/BASE26.pdf)**
+- **[Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Bases/BASE26.pdf)**
 
 <script>
 
diff --git a/docs/en/base/node_base.md b/docs/en/base/node_base.md
index b39b19f8..bc4de63e 100644
--- a/docs/en/base/node_base.md
+++ b/docs/en/base/node_base.md
@@ -57,6 +57,12 @@ Internet Radio
 
 <img src="assets/img/product_pics/base/node_03.webp" width="50%" height="50%">
 
+## Schematic
+
+<img src="assets/img/product_pics/base/node_sch_01.webp">
+
+<img src="assets/img/product_pics/base/node_sch_02.webp">
+
 ## Related Link
 
 - **Datasheet** -  [WM8978](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/base/WM8978%20_en.pdf)
diff --git a/docs/en/core/basic.md b/docs/en/core/basic.md
index c3a1dd65..37320233 100644
--- a/docs/en/core/basic.md
+++ b/docs/en/core/basic.md
@@ -324,7 +324,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 ## Schematic
 
-- [BASIC](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
+- [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
 ## Version Change
 
diff --git a/docs/en/core/fire.md b/docs/en/core/fire.md
index d869cf8e..cc1cba59 100644
--- a/docs/en/core/fire.md
+++ b/docs/en/core/fire.md
@@ -322,7 +322,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 ## Schematic
 
--  **Schematic** - [BASIC](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
+- [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
 ## Related Link
 
diff --git a/docs/en/core/gray.md b/docs/en/core/gray.md
index 72b7ec5d..2c8d6a96 100644
--- a/docs/en/core/gray.md
+++ b/docs/en/core/gray.md
@@ -297,7 +297,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 ## Schematic
 
-- [BASIC](https://github.com/m5stack/M5-Schematic/blob/master/Core/Basic/M5-Core-Schematic(20171206).pdf)
+- [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
 ## Links
 
diff --git a/docs/en/core/m5go.md b/docs/en/core/m5go.md
index 1b797544..54110aa8 100644
--- a/docs/en/core/m5go.md
+++ b/docs/en/core/m5go.md
@@ -322,7 +322,7 @@ To complete schematic, click [here](https://github.com/m5stack/M5-Schematic/tree
 
 ## Schematic
 
-- [BASIC](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
+- [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
 ## Version Change
 
diff --git a/docs/en/core/m5go_lite.md b/docs/en/core/m5go_lite.md
index 7ed84f37..d991a73f 100644
--- a/docs/en/core/m5go_lite.md
+++ b/docs/en/core/m5go_lite.md
@@ -313,7 +313,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 ## Schematic
 
-- [BASIC](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
+- [Schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
 
 ## Version Change
 
diff --git a/docs/en/core/m5stick.md b/docs/en/core/m5stick.md
index 0c85f429..7f08380c 100644
--- a/docs/en/core/m5stick.md
+++ b/docs/en/core/m5stick.md
@@ -230,7 +230,11 @@
 
 <img src="assets/img/product_pics/core/minicore/m5stick/m5stick_sch.webp" width="500" height="500">
 
-[schematic](https://github.com/m5stack/M5-Schematic/tree/master/Core/m5stick).
+[EspCore-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/EspCore.pdf).
+
+[Power-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/Power.pdf).
+
+[UsbUART-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/UsbUART%20(revised%20edition).pdf).
 
 ## Related Link
 
diff --git a/docs/en/module/gsm.md b/docs/en/module/gsm.md
index 3596e47a..be68b643 100644
--- a/docs/en/module/gsm.md
+++ b/docs/en/module/gsm.md
@@ -78,7 +78,7 @@ Product Feature:
 
 ## Schematic
 
-- [GSM Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_gsm_sch.pdf)
+- [GSM Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_gsm_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/en/module/lte.md b/docs/en/module/lte.md
index 9d0d609a..c53d0060 100644
--- a/docs/en/module/lte.md
+++ b/docs/en/module/lte.md
@@ -78,7 +78,7 @@ Product Feature:
 
 ## Schematic
 
-- [LTE Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_lte_sch.pdf)
+- [LTE Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_lte_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/en/module/nb-iot.md b/docs/en/module/nb-iot.md
index 9a49baf4..0f6505e4 100644
--- a/docs/en/module/nb-iot.md
+++ b/docs/en/module/nb-iot.md
@@ -110,7 +110,7 @@ only for reference
 
 ## Schematic
 
-- [NB-IoT Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_nb_iot_sch.pdf)
+- [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/en/module/nb-iot_plus.md b/docs/en/module/nb-iot_plus.md
index 2ccd5a2c..41d8cc18 100644
--- a/docs/en/module/nb-iot_plus.md
+++ b/docs/en/module/nb-iot_plus.md
@@ -103,7 +103,7 @@ only for reference
 
 ## Schematic
 
-- [NB-IoT Plus Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_nb_iot_sch.pdf)
+- [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/en/quick_start/unitv/unitv_quick_start.md b/docs/en/quick_start/unitv/unitv_quick_start.md
index 5b5995d6..b4dfb2eb 100644
--- a/docs/en/quick_start/unitv/unitv_quick_start.md
+++ b/docs/en/quick_start/unitv/unitv_quick_start.md
@@ -39,12 +39,27 @@
 
 >1. Flash tool Kflash_GUI.
 
-<div class="link">
- <h4><span>Kflash_GUI:</span></h4>
-    <p>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_windows.7z" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/windows_89cc6ea0-2a3c-4327-97e5-8f51f448c38b_icon.webp?v=1557026574" alt="">Windows</a>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.2/kflash_gui_v1.5.2_macOS.dmg" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/mac_large.webp?v=1557026570" alt="">MacOS</a>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_linux.tar.xz" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/linux_icon.webp?v=1557026584" alt="">Linux</a></p>
+<div class="files_download">
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_windows.7z">
+      <img src="/image/base/Windows_logo.webp" width="50">
+      <span class="item-title">Windows10</span>
+      </a>
+   </p>
+
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.2/kflash_gui_v1.5.2_macOS.dmg">
+      <img src="/image/base/MacOS_logo.webp" width="50"> 
+      <span class="item-title">MacOS</span>
+      </a>
+   </p>
+
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_linux.tar.xz">
+      <img src="/image/base/Linux_logo.webp" width="50"> 
+      <span class="item-title">Linux</span>
+      </a>
+   </p>
 </div>
 
 >2. Connect the device to the computer through the Tpye-C data cable, double-click to open the burning tool**Kflash_GUI** application, select the corresponding device port, development board type (M5StickV), firmware program, baud rate. Click to download , start burning.
diff --git a/docs/en/unit/trace.md b/docs/en/unit/trace.md
index 70d27640..ffeafd88 100644
--- a/docs/en/unit/trace.md
+++ b/docs/en/unit/trace.md
@@ -23,7 +23,6 @@ This Unit communicates with the M5Core via GROVE PORTA I2C(0x5A).
 ## Include
 
 - 1x TRACE Unit
-- 1x Grove Cable
 
 ## Applications
 
diff --git a/docs/zh_CN/base/node_base.md b/docs/zh_CN/base/node_base.md
index 58826995..80c65d4f 100644
--- a/docs/zh_CN/base/node_base.md
+++ b/docs/zh_CN/base/node_base.md
@@ -73,8 +73,6 @@
 
 <img src="assets/img/product_pics/base/node_sch_02.webp">
 
-- [原理图](https://github.com/m5stack/Bases-Node/tree/master/schematic)
-
 ## 相关视频
 
 **NODE 的演示 - 语音识别**
diff --git a/docs/zh_CN/core/m5stick.md b/docs/zh_CN/core/m5stick.md
index 9dfa5099..56b92978 100644
--- a/docs/zh_CN/core/m5stick.md
+++ b/docs/zh_CN/core/m5stick.md
@@ -225,7 +225,11 @@ M5stick 是 M5Stack 产品系列中的核心设备之一，该产品系列建立
 
 <img src="assets/img/product_pics/core/minicore/m5stick/m5stick_sch.webp" width="500" height="500">
 
-- [原理图](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5-Core-Schematic(20171206).pdf)
+[EspCore-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/EspCore.pdf).
+
+[Power-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/Power.pdf).
+
+[UsbUART-schematic](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/m5stick/UsbUART%20(revised%20edition).pdf).
 
 ## 相关链接
 
diff --git a/docs/zh_CN/core/m5stickc.md b/docs/zh_CN/core/m5stickc.md
index fb51e684..0d1b369e 100644
--- a/docs/zh_CN/core/m5stickc.md
+++ b/docs/zh_CN/core/m5stickc.md
@@ -236,7 +236,7 @@ M5StickC仅支持WIN10&Linux&MAC免驱，其余操作系统则需要用户自行
 
 <img src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5StickC/m5stickC.webp">
 
-- [原理图](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5StickC/20191118__StickC_A04_3110_Schematic_Rebuild_PinMap.pdf)
+- [原理图PDF](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/M5StickC/20191118__StickC_A04_3110_Schematic_Rebuild_PinMap.pdf)
 
 ## 相关链接
 
diff --git a/docs/zh_CN/hat/hat-ncir.md b/docs/zh_CN/hat/hat-ncir.md
index 71abee2f..2e493566 100644
--- a/docs/zh_CN/hat/hat-ncir.md
+++ b/docs/zh_CN/hat/hat-ncir.md
@@ -32,8 +32,6 @@
 
 ## 原理图
 
-- **[原理图](https://github.com/m5stack/M5-Schematic/blob/master/Hat/StickHat_NCIR.pdf)**
-
 <img src="assets\img\product_pics\hat\ncir_hat\hat_ncir_04.webp" width="50%" height="50%">
 
 ## 相关链接
diff --git a/docs/zh_CN/module/gsm.md b/docs/zh_CN/module/gsm.md
index ddd18d9d..3bae573a 100644
--- a/docs/zh_CN/module/gsm.md
+++ b/docs/zh_CN/module/gsm.md
@@ -59,7 +59,7 @@
   
 ## 原理图
 
-- [GSM Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_gsm_sch.pdf)
+- [GSM Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_gsm_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/zh_CN/module/lte.md b/docs/zh_CN/module/lte.md
index 4b2b2899..345a5bfb 100644
--- a/docs/zh_CN/module/lte.md
+++ b/docs/zh_CN/module/lte.md
@@ -65,8 +65,7 @@
   
 ## 原理图
 
--  **原理图** 
-    - [LTE Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_lte_sch.pdf)
+- [LTE Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_lte_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/zh_CN/module/nb-iot.md b/docs/zh_CN/module/nb-iot.md
index e6bc99a2..53027b67 100644
--- a/docs/zh_CN/module/nb-iot.md
+++ b/docs/zh_CN/module/nb-iot.md
@@ -97,7 +97,7 @@ Middle East and North Africa: B8(900) and B20(800);  -->
 
 ## 原理图
 
--  **原理图** - [NB-IoT Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_nb_iot_sch.pdf)
+- [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/zh_CN/module/nb-iot_plus.md b/docs/zh_CN/module/nb-iot_plus.md
index 6f866692..b0790099 100644
--- a/docs/zh_CN/module/nb-iot_plus.md
+++ b/docs/zh_CN/module/nb-iot_plus.md
@@ -94,7 +94,7 @@ Middle East and North Africa: B8(900) and B20(800);  -->
 
 ## 原理图
 
--  **原理图** - [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
+- [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
 
 ## EasyLoader
 
diff --git a/docs/zh_CN/quick_start/unitv/unitv_quick_start.md b/docs/zh_CN/quick_start/unitv/unitv_quick_start.md
index 985df9da..2fc07085 100644
--- a/docs/zh_CN/quick_start/unitv/unitv_quick_start.md
+++ b/docs/zh_CN/quick_start/unitv/unitv_quick_start.md
@@ -39,12 +39,27 @@
 
 >1.点击下方对应自己操作系统的 Kflash_GUI烧录工具进行下载.
 
-<div class="link">
- <h4><span>Kflash_GUI:</span></h4>
-    <p>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_windows.7z" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/windows_89cc6ea0-2a3c-4327-97e5-8f51f448c38b_icon.webp?v=1557026574" alt="">Windows</a>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.2/kflash_gui_v1.5.2_macOS.dmg" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/mac_large.webp?v=1557026570" alt="">MacOS</a>
-    <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_linux.tar.xz" target="_blank" rel="noopener noreferrer"><img src="https://cdn.shopify.com/s/files/1/0056/7689/2250/files/linux_icon.webp?v=1557026584" alt="">Linux</a></p>
+<div class="files_download">
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_windows.7z">
+      <img src="/image/base/Windows_logo.webp" width="50">
+      <span class="item-title">Windows10</span>
+      </a>
+   </p>
+
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.2/kflash_gui_v1.5.2_macOS.dmg">
+      <img src="/image/base/MacOS_logo.webp" width="50"> 
+      <span class="item-title">MacOS</span>
+      </a>
+   </p>
+
+   <p class="item">
+      <a href="https://github.com/sipeed/kflash_gui/releases/download/v1.5.3/kflash_gui_v1.5.3_linux.tar.xz">
+      <img src="/image/base/Linux_logo.webp" width="50"> 
+      <span class="item-title">Linux</span>
+      </a>
+   </p>
 </div>
 
 >2.将设备通过Tpye-C数据线连接至电脑，双击打开烧录工具**Kflash_GUI**应用程序,选择对应的设备端口、开发板类型(M5StickV)、固件程序、波特率. 点击下载，开始烧录 .
diff --git a/docs/zh_CN/unit/trace.md b/docs/zh_CN/unit/trace.md
index 4897a97e..cd6a3f37 100644
--- a/docs/zh_CN/unit/trace.md
+++ b/docs/zh_CN/unit/trace.md
@@ -20,7 +20,6 @@
 ## 包含
 
 - 1x TRACE Unit
-- 1x Grove 线
 
 ## 应用