diff --git a/docs/en/1515/ap.md b/docs/en/1515/ap.md
index 6fb42589..40b77f40 100644
--- a/docs/en/1515/ap.md
+++ b/docs/en/1515/ap.md
@@ -16,7 +16,7 @@ As more advanced, together with the Aluminium-Profile accessories (connectors,
-*Notice: We don't offer tapping Aluminium-Profile by default, in order to make the M4 screw fixed in the Aluminium-Profile, you need to tap the Aluminium-Profile with tapping machine,please refer to the picture below*
+*Notice: We don't offer tapping Aluminium-Profile by default, in order to make the M4 screw fixed in the Aluminium-Profile, you need to tap the Aluminium-Profile with tapping machine,please refer to the picture below*
diff --git a/docs/zh_CN/1515/ap.md b/docs/zh_CN/1515/ap.md
index fe6103b1..5dd4344b 100644
--- a/docs/zh_CN/1515/ap.md
+++ b/docs/zh_CN/1515/ap.md
@@ -14,6 +14,12 @@
使用铝型材切割钻孔机Pick-Cut-Drill，对铝型材进行自定义加工，轻松实现结构零件的高度定制化.配合铝型材配件（连接器、型材螺母等）进行型材连接，能够构建出任意形状的架构框架，并大大提升你的工作效率.使你的项目从初期设计，快速成型为实际产品.
+
+
+*注意：我们默认不提供铝型材攻丝，为了使M4螺丝固定在铝型材上，您需要用攻丝机敲击铝型材，请参考下图*
+
+
+
## 产品特性
- 15mm * 15mm
diff --git a/docs/zh_CN/accessory/bus_socket.md b/docs/zh_CN/accessory/bus_socket.md
index cd79f600..2f65ce42 100644
--- a/docs/zh_CN/accessory/bus_socket.md
+++ b/docs/zh_CN/accessory/bus_socket.md
@@ -6,15 +6,14 @@
:memo:**[Description](#Description)** 🛒**[Purchase](https://www.aliexpress.com/store/product/M5Stack-Official-Stock-Offer-2x15-Pin-Headers-Socket-2-54mm-Male-Female-4-Pair-Connector-for/3226069_32840923472.html?spm=2114.12010615.8148356.71.6156228amNLalH)**
-## Description
+## 描述
-**BUS-Socket** is a pair of M-BUS socket, female and male. 2X15 pins. They share the same specification with the BUS socket on M5Cores. The male piece is 90-degree bend to the side.
+**BUS-Socket** 是一款M-BUS总线拓展插座，提供公头和母头两种规格，包含2x15个引脚接口.（与M5Core上的M-BUS规格一致）
-
-## Product Features
-- 90-degree bend pin
+## 产品特性
+- 90° pin针
- 2x15 @ 2.54mm
-## Package Includes
-- 1x male socket
-- 1x female socket
\ No newline at end of file
+## 套件清单
+- 1x 公头 总线底座
+- 1x 母头 总线底座
\ No newline at end of file