diff --git a/hardware/shopping.md b/hardware/shopping.md
index ba6f40c..64de197 100644
--- a/hardware/shopping.md
+++ b/hardware/shopping.md
@@ -1,3 +1,2 @@
 * OLED display: https://world.taobao.com/item/539889688448.htm
-* 1U box: https://world.taobao.com/item/524178783264.htm
 * power supply modules: https://world.taobao.com/item/542931734858.htm