diff --git a/sql/gamedb.sql b/sql/gamedb.sql
index 8206cb0f..a8fa2add 100644
--- a/sql/gamedb.sql
+++ b/sql/gamedb.sql
@@ -1651,3 +1651,23 @@ CREATE TABLE `t_staking` (
   UNIQUE KEY `unikey2` (`token_id`, `contract_address`, `net_id`, `order_id`),
   KEY `address` (`address`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8;
+
+--
+-- Table structure for table `t_mail`
+--
+
+DROP TABLE IF EXISTS `t_mail`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+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;
+/*!40101 SET character_set_client = @saved_cs_client */;
diff --git a/sql/gamedb2006_migrate_230913_01.sql b/sql/gamedb2006_migrate_230913_01.sql
new file mode 100644
index 00000000..aeeecb19
--- /dev/null
+++ b/sql/gamedb2006_migrate_230913_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/MailController.class.php b/webapp/controller/MailController.class.php
new file mode 100644
index 00000000..7b9934a9
--- /dev/null
+++ b/webapp/controller/MailController.class.php
@@ -0,0 +1,128 @@
+<?php
+
+use phpcommon\SqlHelper;
+
+require_once('services/AwardService.php');
+require_once('services/PropertyChgService.php');
+
+class MailController extends BaseAuthedController {
+
+    private $propertyChgService = null;
+    private $awardService = null;
+
+    public function _handlePre()
+    {
+        parent::_handlePre();
+        $this->propertyChgService = new services\PropertyChgService();
+        $this->awardService = new services\AwardService();
+    }
+
+    public function getAttachment()
+    {
+        $mailIds = getReqVal('mail_ids', '');
+
+        $response = '';
+        {
+            $params = array(
+                'c' => 'Mail',
+                'a' => 'getAttachment',
+                'account_id' => myself()->_getAccountId(),
+                'session_id' => myself()->_getSessionId(),
+                'mail_ids' => $mailIds
+            );
+
+            $url = self::getMailServerUrl();
+            if (!phpcommon\HttpClient::get
+                ($url,
+                 $params,
+                 $response)) {
+                myself()->_rspErr(500,  'server internal error 3, url:' . $url);
+                die();
+                return;
+            }
+        }
+        error_log($mailIds);
+        error_log($response);
+        error_log($url);
+        $rspObj = json_decode($response, true);
+        if ($rspObj && $rspObj['errcode'] == 0) {
+            $this->procAttachments($rspObj['attachments']);
+            $rspObj['award'] = $this->awardService->toDto();
+            $rspObj['property_chg'] = $this->propertyChgService->toDto();
+        }
+        echo json_encode($rspObj);
+    }
+
+    private function procAttachments($attachments)
+    {
+        $mailHash = array();
+        {
+            foreach ($attachments as $item) {
+                if (!array_key_exists($item['mailid'], $mailHash)) {
+                    $mailHash[$item['mailid']] = array();
+                }
+                array_push($mailHash[$item['mailid']], $item);
+            }
+        }
+        foreach ($mailHash as $key => $val) {
+            $mailId = $key;
+            $items = array();
+            foreach ($val as $item) {
+                array_push($items, array(
+                    'item_id' => $item['itemid'],
+                    'item_num' => $item['itemnum'],
+                ));
+            }
+            $row = SqlHelper::ormSelect(
+                myself()->_getSelfMysql(),
+                't_mail',
+                array(
+                    'account_id' => myself()->_getAccountId(),
+                    'mailid' => $mailId
+                )
+            );
+            if (!$row) {
+                SqlHelper::upsert(
+                    myself()->_getSelfMysql(),
+                    't_mail',
+                    array(
+                        'account_id' => myself()->_getAccountId(),
+                        'mailid' => $mailId
+                    ),
+                    array(
+
+                    ),
+                    array(
+                        'account_id' => myself()->_getAccountId(),
+                        'mailid' => $mailId,
+                        'attachments' => json_encode($items),
+                        'createtime' => myself()->_getNowTime(),
+                        'modifytime' => myself()->_getNowTime(),
+                    )
+                );
+                $this->_addItems($items, $this->awardService, $this->propertyChgService);
+                SqlHelper::update(
+                    myself()->_getSelfMysql(),
+                    't_mail',
+                    array(
+                        'account_id' => myself()->_getAccountId(),
+                        'mailid' => $mailId
+                    ),
+                    array(
+                        'confirmed' => 1
+                    )
+                );
+            }
+        }
+    }
+
+    private static function getMailServerUrl()
+    {
+        if (SERVER_ENV != _ONLINE) {
+            return "https://gamemail-test.kingsome.cn/webapp/index.php";
+        } else {
+            return "https://gamemail-test.cebggame.com/webapp/index.php";
+        }
+    }
+
+}
diff --git a/webapp/services/FormulaService.php b/webapp/services/FormulaService.php
index fb9e6a4d..242111e1 100644
--- a/webapp/services/FormulaService.php
+++ b/webapp/services/FormulaService.php
@@ -371,8 +371,8 @@ class FormulaService extends BaseService {
         $winRate = 1-($ranked-1)/($maxRanked-1);
         //总胜率=70%*P(个人ELO值-敌队平均ELO值)+30%*P(己队平均ELO值-敌队平均ELO值)  -->  P(D)=1/(1+10^(-D/400))
         $winRateSum = $winningPro;
-        $kArr = explode('|',mt\Parameter::getVal('rank_k',0));  //**************  parameter 参数表获取 ************
         $rankMeta = mt\Rank::getRankById($userDb['rank']);
+        $kArr = explode('|',mt\Parameter::getVal('rank_k',0));  //**************  parameter 参数表获取 ************
         $K = $kArr[$rankMeta['rank_order2']-1];
         return round(max($userDb['elo']+$K*($winRate-$winRateSum),150));
     }