diff --git a/docs/zh_CN/base/w5500PoE.md b/docs/zh_CN/base/w5500PoE.md
index cf697df0..71463ada 100644
--- a/docs/zh_CN/base/w5500PoE.md
+++ b/docs/zh_CN/base/w5500PoE.md
@@ -177,7 +177,7 @@ 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
 
 <script>
 
-   var purchase_link = 'https://m5stack.com/collections/m5-base/products/lan-module';
+   var purchase_link = 'https://m5stack.com/collections/m5-base/products/lan-module-w5500-with-poe';
 
 
    anchor_search(purchase_link);