diff --git a/docs/en/app/bala.md b/docs/en/app/bala.md
index 83e5545c..baf7471f 100644
--- a/docs/en/app/bala.md
+++ b/docs/en/app/bala.md
@@ -54,4 +54,4 @@ Weight | 56g
**BALA Case - 01**
-
+
diff --git a/docs/en/core/basic.md b/docs/en/core/basic.md
index 152e0636..681eaca4 100644
--- a/docs/en/core/basic.md
+++ b/docs/en/core/basic.md
@@ -145,8 +145,8 @@ This is a [Bottom board](en/base/core_bottom) on the back of M5Core. It's design
**M5Core Cases**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
\ No newline at end of file
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)
\ No newline at end of file
diff --git a/docs/en/core/fire.md b/docs/en/core/fire.md
index 765d42b0..59efa6fc 100644
--- a/docs/en/core/fire.md
+++ b/docs/en/core/fire.md
@@ -183,8 +183,8 @@ M5Go CHG. Base is composed of POGO pin. M5Go Base is composed of PORT B, PORT C,
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4) -->
diff --git a/docs/en/core/gray.md b/docs/en/core/gray.md
index 50cf08e1..25ec6177 100644
--- a/docs/en/core/gray.md
+++ b/docs/en/core/gray.md
@@ -192,8 +192,8 @@ This is a [Bottom board](en/base/core_bottom) on the back of M5Core. It's design
**M5Core Cases**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)
diff --git a/docs/en/core/m5go_lite.md b/docs/en/core/m5go_lite.md
index 65bc5119..8b3b0f71 100644
--- a/docs/en/core/m5go_lite.md
+++ b/docs/en/core/m5go_lite.md
@@ -13,7 +13,7 @@
## 描述
-**M5GO Lite** is a small kit which consists of one **ENV unit**, a **white M5Core**(based on ESP32 chip) and a [M5GO bottom](en/base/m5go_bottom). It's a simple version of [M5GO IOT Starter Kit](en/core/m5go_iot_starter_kit).
+**M5GO Lite** is a small kit which consists of one **ENV unit**, a **white M5Core**(based on ESP32 chip) and a [M5GO bottom](en/base/m5go_bottom). It's a simple version of [M5GO IOT Starter Kit](en/core/m5go).
You can program M5GO Lite with [UIFlow](http://flow.m5stack.com) or Arduino IDE.
diff --git a/docs/en/unit/dual_button.md b/docs/en/unit/dual_button.md
index 74693ddc..919c7b66 100644
--- a/docs/en/unit/dual_button.md
+++ b/docs/en/unit/dual_button.md
@@ -68,4 +68,4 @@ M5.update();
**Joystick Case - Page flipping and selection of menu interface**
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/docs/en/unit/thermal.md b/docs/en/unit/thermal.md
index 5444e036..2005504d 100644
--- a/docs/en/unit/thermal.md
+++ b/docs/en/unit/thermal.md
@@ -88,4 +88,4 @@ interpolate_image(reversePixels,ROWS,COLS,dest_2d,\
**THERMAL Case**
-
\ No newline at end of file
+
diff --git a/docs/ja/app/bala.md b/docs/ja/app/bala.md
index f6fb6b84..46221870 100644
--- a/docs/ja/app/bala.md
+++ b/docs/ja/app/bala.md
@@ -47,7 +47,7 @@
**BALAサンプル - マニュアルコントロール**
-
+
**BALAサンプル - ライントレース**
diff --git a/docs/ja/core/basic.md b/docs/ja/core/basic.md
index 4a00cfb1..72ebd7cd 100644
--- a/docs/ja/core/basic.md
+++ b/docs/ja/core/basic.md
@@ -115,8 +115,8 @@
**M5Coreの作品**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
\ No newline at end of file
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)
\ No newline at end of file
diff --git a/docs/ja/core/gray.md b/docs/ja/core/gray.md
index 63eb9d1b..c9fe0b76 100644
--- a/docs/ja/core/gray.md
+++ b/docs/ja/core/gray.md
@@ -195,8 +195,8 @@
**M5Coreの作品**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
\ No newline at end of file
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)
\ No newline at end of file
diff --git a/docs/ja/core/m5go_lite.md b/docs/ja/core/m5go_lite.md
index 09ea7737..0fe3d239 100644
--- a/docs/ja/core/m5go_lite.md
+++ b/docs/ja/core/m5go_lite.md
@@ -8,7 +8,7 @@
## 概要
-**M5GO Lite**は**M5Core**と**ENV unit**と[M5GO Bottom](ja/base/m5go_bottom)のコンパクトなキットです。[M5GO IOT Starter Kit](ja/core/m5go_iot_starter_kit)のシンプルなバージョンです。
+**M5GO Lite**は**M5Core**と**ENV unit**と[M5GO Bottom](ja/base/m5go_bottom)のコンパクトなキットです。[M5GO IOT Starter Kit](ja/core/m5go)のシンプルなバージョンです。
M5GO Liteは[UIFlow](http://flow.m5stack.com)やArduino IDEを使用してプログラミングすることができます。
diff --git a/docs/ja/unit/thermal.md b/docs/ja/unit/thermal.md
index cc6a6783..da5689e4 100644
--- a/docs/ja/unit/thermal.md
+++ b/docs/ja/unit/thermal.md
@@ -86,4 +86,4 @@ interpolate_image(reversePixels,ROWS,COLS,dest_2d,\
**THERMALの作品**
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/docs/zh_CN/app/bala.md b/docs/zh_CN/app/bala.md
index 793441db..9b28b305 100644
--- a/docs/zh_CN/app/bala.md
+++ b/docs/zh_CN/app/bala.md
@@ -35,7 +35,7 @@
**BALA 的演示 - 手机控制**
-
+
**BALA 的演示 - 巡线**
diff --git a/docs/zh_CN/core/basic.md b/docs/zh_CN/core/basic.md
index 2a87326f..b2bb4d71 100644
--- a/docs/zh_CN/core/basic.md
+++ b/docs/zh_CN/core/basic.md
@@ -149,11 +149,11 @@
**M5Core 的作品**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)
diff --git a/docs/zh_CN/core/fire.md b/docs/zh_CN/core/fire.md
index 2e8fbf66..e2c54097 100644
--- a/docs/zh_CN/core/fire.md
+++ b/docs/zh_CN/core/fire.md
@@ -185,8 +185,8 @@
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4) -->
diff --git a/docs/zh_CN/core/gray.md b/docs/zh_CN/core/gray.md
index 1487918d..f094d30f 100644
--- a/docs/zh_CN/core/gray.md
+++ b/docs/zh_CN/core/gray.md
@@ -162,11 +162,11 @@
**M5Core 的作品**
-[](https://v.youku.com/v_show/id_XNDAxNDI4MDM0OA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI3OTgwMA==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Compass.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwMjAyNA==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Avatar%20Custom%20Face.mp4)
[](https://v.youku.com/v_show/id_XNDAxNDMwNzU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NTQ0NA==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMxMzg2MA==.html?spm=a2hzp.8253869.0.0)
-[](https://v.youku.com/v_show/id_XNDAxNDI4MjU5Mg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://v.youku.com/v_show/id_XNDAxNDI4NDk3Ng==.html?spm=a2hzp.8253869.0.0)
+[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Motion%20Detector.mp4)[](https://v.youku.com/v_show/id_XNDAxNDMwNTYxNg==.html?spm=a2hzp.8253869.0.0)[](https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201811/M5Stack%20Robot.mp4)