diff --git a/.gitignore b/.gitignore
index 8a59dac3..836a4ebb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ build
 coverage
 dist
 node_modules
+.vscode
 
 # Files
 *.log
diff --git a/docs/en/product_documents/applications/application_lidarbot.md b/docs/en/product_documents/applications/application_lidarbot.md
index a2e80a43..0037115f 100644
--- a/docs/en/product_documents/applications/application_lidarbot.md
+++ b/docs/en/product_documents/applications/application_lidarbot.md
@@ -60,7 +60,7 @@ And in addition to controlling the car's flexible front, rear, left and right mo
 
 ## DOCUMENTS
 - **Example** - [Arduino](https://github.com/m5stack/Applications-LidarBot/tree/master/LidarBot/Example) - [MicroPython]()
-- **[Quick Start](zh_CN/file_to_display_null)**
+- **Quick Start** - (coming soon...)
 - **[Purchase](https://www.aliexpress.com/store/product/M5Stack-New-Lidar-Bot-Mini-Car-Lidar-8m-6Hz-McNamm-Wheels-NeoPixel-LED-Bar-with-ESP32/3226069_32951134988.html?spm=a2g1y.12024536.productList_5885013.subject_7)**
 
 <figure>
diff --git a/docs/ja/faq.md b/docs/ja/faq.md
index 28940514..cbf2b89f 100644
--- a/docs/ja/faq.md
+++ b/docs/ja/faq.md
@@ -10,7 +10,7 @@
 ---
 
 - Q. ArduinoでI2Cがうまく動きません。
-  - A. ~~ボードマネージャを利用して導入されるesp32ライブラリstable-1.0.0にはI2Cまわりにバグがあり、使用できない場合があります。最新のライブラリを[GitHub](https://github.com/espressif/arduino-esp32)より取得することで回避可能です。~~ボードマネージャから最新のesp32ライブラリ(>=1.0.1)を導入してください。
+  - A. Arduino IDEのボードマネージャから最新のesp32ライブラリ(>=1.0.1)を導入してください。
   
 ---
 
diff --git a/docs/ja/product_documents/m5stack-core/m5core_basic.md b/docs/ja/product_documents/m5stack-core/m5core_basic.md
index 382f047c..42266a95 100644
--- a/docs/ja/product_documents/m5stack-core/m5core_basic.md
+++ b/docs/ja/product_documents/m5stack-core/m5core_basic.md
@@ -110,9 +110,9 @@
   - [M5Stack](https://github.com/m5stack/M5Stack)
 
 - **クイックスタート (Arduino)**
-  - [macOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
-  - [Windows](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
-  - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+  - [macOS](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
+  - [Windows](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
+  - [MicroPython](/ja/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 <figure>
   <img src="assets/img/product_pics/core/basic/basic_01.jpg" alt="basic_01" width="300px" height="300px">
diff --git a/docs/ja/product_documents/m5stack-core/m5core_fire.md b/docs/ja/product_documents/m5stack-core/m5core_fire.md
index 209a0b5f..417225cd 100644
--- a/docs/ja/product_documents/m5stack-core/m5core_fire.md
+++ b/docs/ja/product_documents/m5stack-core/m5core_fire.md
@@ -167,9 +167,9 @@ M5Go CHG.ベースはPOGOピン、M5GoベースはPORT B, PORT C, 2つのLEDバ
   - [M5GO](https://github.com/m5stack/M5GO)
 
 - **クイックスタート (Arduino)**
-  - [macOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
-  - [Windows](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
-  - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+  - [macOS](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
+  - [Windows](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
+  - [MicroPython](/ja/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 <figure>
     <img src="assets/img/product_pics/core/fire/product_pic_fire.jpg" alt="fire_01" width="300" height="300">
diff --git a/docs/ja/product_documents/m5stack-core/m5core_gray.md b/docs/ja/product_documents/m5stack-core/m5core_gray.md
index 71162864..1672e858 100644
--- a/docs/ja/product_documents/m5stack-core/m5core_gray.md
+++ b/docs/ja/product_documents/m5stack-core/m5core_gray.md
@@ -119,9 +119,9 @@
   - [M5GO](https://github.com/m5stack/M5GO)
 
 - **クイックスタート (Arduino)**
-  - [macOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
-  - [Windows](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
-  - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+  - [macOS](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
+  - [Windows](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
+  - [MicroPython](/ja/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 <figure>
   <img src="assets/img/product_pics/core/gray/gray_01.jpg" alt="gray_01" width="300px" height="300px">
diff --git a/docs/ja/product_documents/m5stack-core/m5core_white.md b/docs/ja/product_documents/m5stack-core/m5core_white.md
index 7dc6b142..773d52c1 100644
--- a/docs/ja/product_documents/m5stack-core/m5core_white.md
+++ b/docs/ja/product_documents/m5stack-core/m5core_white.md
@@ -152,9 +152,9 @@ M5Coreの下のボトムボードには、I2Sピン(GPIO0, GPIO12, GPIO13, GPIO1
 
 - **<mark>クイックスタート</mark>**
   - Arduino
-    - [MacOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
-    - [Windows_64](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
-  - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+    - [MacOS](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
+    - [Windows_64](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
+  - [MicroPython](/ja/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 - **[M5Coreによる違い](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_diff_between_m5cores.md)**
 
diff --git a/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md b/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
index f475894d..5dc46c56 100644
--- a/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
+++ b/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
@@ -151,9 +151,9 @@
 
 - **Quick Start**
   - Arduino
-    - [MacOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
-    - [Windows_64](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
-  - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+    - [MacOS](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS)
+    - [Windows_64](/ja/quick_start/m5core/m5stack_core_get_started_Arduino_Windows)
+  - [MicroPython](/ja/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 <figure>
     <img src="assets/img/product_pics/core/m5go/m5go_01.png" width="300">
diff --git a/docs/ja/product_documents/units/unit_esp32cam.md b/docs/ja/product_documents/units/unit_esp32cam.md
index bde0e858..3b2ed944 100644
--- a/docs/ja/product_documents/units/unit_esp32cam.md
+++ b/docs/ja/product_documents/units/unit_esp32cam.md
@@ -48,7 +48,7 @@
   - [OV2640](https://www.uctronics.com/download/cam_module/OV2640DS.pdf)
 
 - **クイックスタート**
-  - [Arduino](/en/quick_start/m5camera/m5camera_quick_start)
+  - [Arduino](/ja/quick_start/m5camera/m5camera_quick_start)
 
 - **サンプルコード**
   - [Arduino](https://github.com/1zlab/1ZLAB_ESP32_Wifi_Camera)
diff --git a/docs/ja/product_documents/units/unit_m5camera.md b/docs/ja/product_documents/units/unit_m5camera.md
index df76bc7b..fbc31f2c 100644
--- a/docs/ja/product_documents/units/unit_m5camera.md
+++ b/docs/ja/product_documents/units/unit_m5camera.md
@@ -49,7 +49,7 @@
   - [OV2640](https://www.uctronics.com/download/cam_module/OV2640DS.pdf)
 
 - **クイックスタート**
-  - [Arduino](/en/quick_start/m5camera/m5camera_quick_start)
+  - [Arduino](/ja/quick_start/m5camera/m5camera_quick_start)
 
 - **サンプルコード**
   - [Arduino](https://github.com/1zlab/1ZLAB_ESP32_Wifi_Camera)
diff --git a/docs/ja/quick_start.md b/docs/ja/quick_start.md
index 11cdf5e6..bec528ac 100644
--- a/docs/ja/quick_start.md
+++ b/docs/ja/quick_start.md
@@ -39,7 +39,7 @@ M5Stackを使った開発に必要なもの:
 
 <img src="assets/img/getting_started_pics/programming_mode_arduino.png"> | <img src="assets/img/getting_started_pics/programming_mode_blockly.png">  | <img src="assets/img/getting_started_pics/programming_mode_micropython.png">
 ---|---|---
-[Arduino](/en/practice/practice_arduino) | [UiFlow-Blockly](/en/practice/practice_blockly) | [UiFlow-MicroPython](/en/practice/practice_micropython) -->
+[Arduino](/ja/practice/practice_arduino) | [UiFlow-Blockly](/ja/practice/practice_blockly) | [UiFlow-MicroPython](/ja/practice/practice_micropython) -->
 
 ## 関連するドキュメント
 
diff --git a/docs/zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit.md b/docs/zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit.md
index e9ba6e15..e28b37aa 100644
--- a/docs/zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit.md
+++ b/docs/zh_CN/product_documents/m5stack-core/m5go_iot_starter_kit.md
@@ -146,7 +146,7 @@
 
 - **[旗舰店](https://www.aliexpress.com/store/product/M5Stack-Official-Stock-Offer-M5GO-IoT-Starter-Kit-ESP32-for-Arduino-MicroPython-Programming-Development-IR-MIC/3226069_32881911596.html?spm=2114.12010615.8148356.6.44fa2da3D2i5Yi)**
 
--  **<mark>快速上手</mark>** - Arduino - [MacOS](/en/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS) - [Windows_64](/en/quick_start/m5core/m5stack_core_get_started_Arduino_Windows) - [MicroPython](/en/quick_start/m5core/m5stack_core_get_started_MicroPython)
+-  **<mark>快速上手</mark>** - Arduino - [MacOS](/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS) - [Windows_64](/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_Windows) - [MicroPython](/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython)
 
 <figure>
     <img src="assets/img/product_pics/core/m5go/m5go_01.png" width="500">