diff --git a/webapp/mt/Item.php b/webapp/mt/Item.php
index b697d0d7..42bf5bb2 100644
--- a/webapp/mt/Item.php
+++ b/webapp/mt/Item.php
@@ -32,6 +32,7 @@ class Item {
       26 晶体
       29 外饰装扮
       30 活动宝箱
+      31 金砖
     */
 
     /*