diff --git a/docs/en/unit/finger.md b/docs/en/unit/finger.md
index 28c50e2c..d7bd2de8 100644
--- a/docs/en/unit/finger.md
+++ b/docs/en/unit/finger.md
@@ -4,7 +4,7 @@
 
 ***
 
-:memo:**[Description](#Description)**      :electric_plug:**[Schematic](#Schematic)**      🛒**[Purchase](https://pt.aliexpress.com/store/product/M5Stack-Official-Finger-Print-Unit-FPC1020A-Capacitive-Fingerprint-Identification-Module-Grove-Cable-UART-Interface-for-ESP32/3226069_32966642182.html?spm=a2g03.12010612.8148356.36.73ee56a05T9uR7)**      :clapper:**[Related Video](#Related-Video)**
+:memo:**[Description](#Description)**      :octocat:**[Example](#Example)**      :electric_plug:**[Schematic](#Schematic)**      🛒**[Purchase](https://pt.aliexpress.com/store/product/M5Stack-Official-Finger-Print-Unit-FPC1020A-Capacitive-Fingerprint-Identification-Module-Grove-Cable-UART-Interface-for-ESP32/3226069_32966642182.html?spm=a2g03.12010612.8148356.36.73ee56a05T9uR7)**      :clapper:**[Related Video](#Related-Video)**
 
 <!-- :memo:**[Description](#Description)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[Example](#Example)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[Schematic](#Schematic)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[Purchase](https://pt.aliexpress.com/store/product/M5Stack-Official-Finger-Print-Unit-FPC1020A-Capacitive-Fingerprint-Identification-Module-Grove-Cable-UART-Interface-for-ESP32/3226069_32966642182.html?spm=a2g03.12010612.8148356.36.73ee56a05T9uR7)**&nbsp;&nbsp;&nbsp;:clapper:**[Related Video](#Related-Video)** -->
 
diff --git a/docs/zh_CN/unit/finger.md b/docs/zh_CN/unit/finger.md
index a940b199..8f154600 100644
--- a/docs/zh_CN/unit/finger.md
+++ b/docs/zh_CN/unit/finger.md
@@ -4,7 +4,7 @@
 
 ***
 
-:memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.3b86425eaoE9zU&id=585289225333)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)**
+:memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.3b86425eaoE9zU&id=585289225333)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)**
 
 <!-- :memo:**[描述](#描述)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:octocat:**[例程](#例程)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:electric_plug:**[原理图](#原理图)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;🛒**[购买链接](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-1172588106.18.3b86425eaoE9zU&id=585289225333)**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:clapper:**[相关视频](#相关视频)** -->
 
@@ -34,9 +34,12 @@
 
 - **[FINGER 的通信协议](https://github.com/m5stack/M5-Schematic/blob/master/Units/finger/biovo_fingerprint_Protocol_zh_CN.DOC)**
 
-<!-- ## 例程
+## 例程
+
+### 1. Arduino IDE
+
+*具体例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/blob/master/Unit/Fingerprint/Arduino/Fingerprint/Fingerprint.ino)。*
 
-### 1. Arduino IDE -->
 
 ## 原理图