diff --git a/webapp/models/Bag.php b/webapp/models/Bag.php
index db0b19c2..8ca8fd2d 100644
--- a/webapp/models/Bag.php
+++ b/webapp/models/Bag.php
@@ -129,6 +129,7 @@ class Bag extends BaseModel {
                      'account_id' => myself()->_getAccountId(),
                      'item_id' => $itemId,
                      'item_num' => 1,
+                     'durability' => $itemMeta['init_durability'],
                      'rand_attr' => json_encode($randAttr),
                      'createtime' => myself()->_getNowTime(),
                      'modifytime' => myself()->_getNowTime()