diff --git a/docs/en/core/core2.md b/docs/en/core/core2.md
index 71d6d794..1bc50a13 100644
--- a/docs/en/core/core2.md
+++ b/docs/en/core/core2.md
@@ -351,7 +351,7 @@ For more information about Pin assignment and Pin Remapping, Please refer to [ES
 
 <script>
 
-   var purchase_link = '';
+   var purchase_link = 'https://m5stack.com/collections/m5-core/products/m5stack-core2-esp32-iot-development-kit';
 
    var quickstart_link = 'https://docs.m5stack.com/#/en/quick_start/core2/m5stack_core2_quick_start';