diff --git a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS.md b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS.md
index 88d27a34..d3ee9168 100644
--- a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS.md
+++ b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_MacOS.md
@@ -14,7 +14,7 @@
 
 2. [示例](#example)
 
-!> **注意** *在配置环境之前，先确保你已经安装了USB驱动，并且M5Core能通过串口与PC通信。 如果还没的话，看这篇文章[如何建立串口连接](/en/related_documents/establish_serial_connection).*
+!> **注意** *在配置环境之前，先确保你已经安装了USB驱动，并且M5Core能通过串口与PC通信。 如果还没的话，看这篇文章[如何建立串口连接](/zh_CN/related_documents/establish_serial_connection).*
 
 ## 配置环境
 
diff --git a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_Windows.md b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_Windows.md
index f1f98b57..a16274bf 100644
--- a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_Windows.md
+++ b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_Arduino_Windows.md
@@ -12,9 +12,9 @@
 
 2. [示例](#example)
 
-?> **提示** *如果你想升级Arduino-M5Stack库的话，请移步阅读这篇文档[如何升级Arduino-M5Stack库](www.m5stack.com).*
+?> **提示** *如果你想升级Arduino-M5Stack库的话，请移步阅读这篇文档[如何升级Arduino-M5Stack库](/zh_CN/related_documents/upgrade_m5stack_lib).*
 
-!> **注意** *建议你先确认安装了`USB驱动`, `Git` 和 `Arduino IDE(安装路径为: C:\Program Files\Arduino)`。 如果还没的话，阅读这两篇文档[如何建立串口连接](/en/related_documents/establish_serial_connection)和[安装Git和Arduino IDE](/en/related_documents/how_to_install_git_and_arduino)。 如果你的Arduino IDE安装路径不是`C:\Program Files\Arduino`的话, 为了方便搭建以下的开发环境，请按照默认安装路径重新安装。
+!> **注意** *建议你先确认安装了`USB驱动`, `Git` 和 `Arduino IDE(安装路径为: C:\Program Files\Arduino)`。 如果还没的话，阅读这两篇文档[如何建立串口连接](/zh_CN/related_documents/establish_serial_connection)和[安装Git和Arduino IDE](/zh_CN/related_documents/how_to_install_git_and_arduino)。 如果你的Arduino IDE安装路径不是`C:\Program Files\Arduino`的话, 为了方便搭建以下的开发环境，请按照默认安装路径重新安装。
 
 ## 1. 配置环境
 
diff --git a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython.md b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython.md
index e6fe08ea..c9bebfee 100644
--- a/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython.md
+++ b/docs/zh_CN/quick_start/m5core/m5stack_core_get_started_MicroPython.md
@@ -1,6 +1,6 @@
 # M5Flow Quick Start(Blockly/MicroPython)
 
-!> **Note** *If it's first time to use M5Stack Core or you want to change the networkable AP that means the Core can't access [flow.m5stack.com](flow.m5stack.com), you need visit this article for setting wifi [How to connect wifi using Core](/en/related_documents/how_to_connect_wifi_using_core).*
+!> **Note** *If it's first time to use M5Stack Core or you want to change the networkable AP that means the Core can't access [flow.m5stack.com](flow.m5stack.com), you need visit this article for setting wifi [How to connect wifi using Core](/zh_CN/related_documents/how_to_connect_wifi_using_core).*
 
 ### **By default, we account your M5Core has been connected with the networkable AP. And the screen shows like this figure below after you pressed the `UPLOAD` button on the left.**