diff --git a/docs/en/base/w5500PoE.md b/docs/en/base/w5500PoE.md
index 30b1bd15..2ff339a9 100644
--- a/docs/en/base/w5500PoE.md
+++ b/docs/en/base/w5500PoE.md
@@ -174,7 +174,7 @@ If you need to add an RS485 or RS232 interface, make sure to solder the RS485 or
 - **Datasheet** 
     - [W5500](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/base/W5500_datasheet_v1.0.2_1_en.pdf)
     - [SP485EEN](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/SP485EEN_en.pdf)
-    - [MAX232](hhttps://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/atombase/AtomicRS232/MAX232.pdf)
+    - [MAX232](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/atombase/AtomicRS232/MAX232.pdf)
 
 ## Example
 
diff --git a/docs/zh_CN/base/w5500PoE.md b/docs/zh_CN/base/w5500PoE.md
index 1acf15a5..a2c021a4 100644
--- a/docs/zh_CN/base/w5500PoE.md
+++ b/docs/zh_CN/base/w5500PoE.md
@@ -173,7 +173,7 @@ HT3.96连接器的 6 个引脚默认悬空，你可以根据需求选择连接RS
 - **Datasheet** 
     - [W5500](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/base/W5500_datasheet_v1.0.2_1_en.pdf)
     - [SP485EEN](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/hat/SP485EEN_en.pdf)
-    - [MAX232](hhttps://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/atombase/AtomicRS232/MAX232.pdf)
+    - [MAX232](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/atombase/AtomicRS232/MAX232.pdf)
 
 ## 案例程序