diff --git a/sql/gamedb2006_migrate_230920_01.sql b/sql/gamedb2006_migrate_230920_01.sql
new file mode 100644
index 00000000..aeeecb19
--- /dev/null
+++ b/sql/gamedb2006_migrate_230920_01.sql
@@ -0,0 +1,17 @@
+begin;
+
+CREATE TABLE `t_mail` (
+  `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `account_id` varchar(60) NOT NULL DEFAULT '' COMMENT '账号id(channel + "_" + gameid + "_" + openid)',
+  `mailid` bigint NOT NULL DEFAULT '0' COMMENT '邮件id',
+  `confirmed` int(11) NOT NULL DEFAULT '0' COMMENT 'confirmed',
+  `attachments` varchar(255) CHARACTER SET utf8 NOT NULL DEFAULT '' COMMENT '附件',
+  `createtime` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',
+  `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
+  PRIMARY KEY (`idx`),
+  KEY `account_id_mailid` (`account_id`, `mailid`)
+) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+
+insert into version (version) values(2023091301);
+
+commit;
diff --git a/webapp/controller/BagController.class.php b/webapp/controller/BagController.class.php
index e5f532be..25aa1e6a 100644
--- a/webapp/controller/BagController.class.php
+++ b/webapp/controller/BagController.class.php
@@ -75,6 +75,18 @@ class BagController extends BaseAuthedController {
                 $this->renameCard($itemDb, $itemMeta, $itemNum, $param1, $param2, $param3);
             }
             break;
+            case mt\Item::FUNC_GUILD_CARD_SUBTYPE:
+            {
+                $this->_decItems(array(
+                    array(
+                        'item_id' => $itemMeta['id'],
+                        'item_num' => 1
+                    )
+                ));
+                $this->_rspOk();
+                return;
+            }
+            break;
             case mt\Item::DRUG_TILI_SUBTYPE:
             {
                 $this->useTiliDrug($itemDb, $itemMeta, $itemNum, $param1, $param2, $param3);
diff --git a/webapp/mt/Item.php b/webapp/mt/Item.php
index 009c53e0..9b2e3ce0 100644
--- a/webapp/mt/Item.php
+++ b/webapp/mt/Item.php
@@ -106,12 +106,13 @@ class Item {
     const PLANET_TYPE = 28;
 
     const FUNC_RENAME_CARD_SUBTYPE = 1;
-    const MATERIAL_CHIP_SUBTYPE = 3;
+    const FUNC_GUILD_CARD_SUBTYPE = 3;
     const DRUG_TILI_SUBTYPE = 4;
     const DRUG_DURABILITY_SUBTYPE = 5;
 
     const ROLE_CHIP_SUBTYPE = 1;
     const GUN_CHIP_SUBTYPE = 2;
+    const MATERIAL_CHIP_SUBTYPE = 3;
 
     const HERO_FRAGMENT_SUBTYPE = 1;
     const HERO_FRAGMENT_SUBTYPE_PRO = 3;