diff --git a/doc/AAGameLog.py b/doc/AAGameLog.py
index f32180a8..627a922c 100644
--- a/doc/AAGameLog.py
+++ b/doc/AAGameLog.py
@@ -5,19 +5,23 @@ class AAGameLog(object):
     def __init__(self):
         self.apis = [
             {
+                'method': 'POST',
                 'name': 'customReport',
-                'desc': '上报自定义日志',
+                'desc': '上报自定义日志(httpbody自定义)',
                 'group': '!AAGameLog',
                 'url': 'https://gamelog-test.kingsome.cn/webapp/index.php?c=GameLog&a=customReport',
-                'params': [
+                'is_json_params': True,
+                'request_params': [
                     _common.ReqHead(),
                     ['gameid', '', '游戏id'],
                     ['channel', '', '渠道编号'],
                     ['event_name', '', '事件名'],
-                    ['account_id', '', '账号Id'],
-                    ['session_id', '', '会话id'],
+                    ['account_id', '', '[可选]账号id(web端不要传该字段)'],
+                    ['session_id', '', '[可选]会话id(web端不要传该字段)'],
                     ['localuuid', '', '本地唯一Id'],
                 ],
+                'params': [
+                ],
                 'response': [
                     _common.RspHead(),
                 ]
diff --git a/doc/AAMarket.py b/doc/AAMarket.py
index de0fd897..04cc40bf 100644
--- a/doc/AAMarket.py
+++ b/doc/AAMarket.py
@@ -418,16 +418,15 @@ class AAMarket(object):
             },
             {
                 'method': 'POST',
-                'name': '/api/recharge/history',
+                'name': '/api/recharge/history/:net_id/:account_address',
                 'desc': '充值-历史',
                 'group': '!AAMarket',
-                'url': 'https://market-test.kingsome.cn/api/recharge/history',
+                'url': 'https://market-test.kingsome.cn/api/recharge/history/:net_id/:account_address',
                 'headers': _common.JwtHeader,
                 'is_json_params': True,
                 'request_params': [
                 ],
                 'params': [
-                    ['net_id', 0, '链id'],
                 ],
                 'response': [
                     _common.RspHead(),
diff --git a/doc/Bigwheel.py b/doc/Bigwheel.py
new file mode 100644
index 00000000..8acb8529
--- /dev/null
+++ b/doc/Bigwheel.py
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+
+import _common
+
+class Bigwheel(object):
+
+    def __init__(self):
+        self.apis = [
+            {
+                'name': 'info',
+                'desc': '转盘信息',
+                'group': 'Bigwheel',
+                'url': 'webapp/index.php?c=Bigwheel&a=info',
+                'params': [
+                    _common.ReqHead(),
+                ],
+                'response': [
+                    _common.RspHead(),
+                    ['info', _common.BigwheelInfo(), '转盘信息'],
+                ]
+            },
+            {
+                'name': 'drawS',
+                'desc': '抽奖',
+                'group': 'Bigwheel',
+                'url': 'webapp/index.php?c=Bigwheel&a=drawS',
+                'params': [
+                    _common.ReqHead(),
+                    ['type', 0, '0:双勾选 1:第1档 2:第2档']
+                ],
+                'response': [
+                    _common.RspHead(),
+                    ['award', _common.Award(), '奖励信息'],
+                    ['property_chg', _common.PropertyChg(), '属性变更'],
+                    ['info', _common.BigwheelInfo(), '转盘信息'],
+                ]
+            },
+            {
+                'name': 'buyS',
+                'desc': '购买',
+                'group': 'Bigwheel',
+                'url': 'webapp/index.php?c=Bigwheel&a=buyS',
+                'params': [
+                    _common.ReqHead(),
+                    ['grid_id', 0, '格子id']
+                ],
+                'response': [
+                    _common.RspHead(),
+                    ['award', _common.Award(), '奖励信息'],
+                    ['property_chg', _common.PropertyChg(), '属性变更'],
+                    ['info', _common.BigwheelInfo(), '转盘信息'],
+                ]
+            }
+        ]
diff --git a/doc/_common.py b/doc/_common.py
index c40164f6..69996831 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -1845,3 +1845,26 @@ class RechargeHistory(object):
             ['amount', '', '货币数'],
             ['createtime', 0, '成交时间'],
         ]
+
+class BigwheelGrid(object):
+
+    def __init__(self):
+        self.fields = [
+            ['grid_id', 0, '格子id(Bigwheel表里的id字段)'],
+            ['grid_state', 0, '0:未抽 1:已抽到且商品属于你 2:已抽到且商品还未属于你(需要购买)'],
+            ['item_id', 0, '道具id(state>0时有效)'],
+            ['item_num', 0, '道具数量(state>0时有效)'],
+            ['buy_price', 0, '购买价格(state=2时有效)'],
+        ]
+
+class BigwheelInfo(object):
+
+    def __init__(self):
+        self.fields = [
+            ['drawed_times', 0, '已抽次数'],
+            ['total_times', 0, '总次数'],
+            ['single_cost', 0, '单次抽奖消耗(钻石)'],
+            ['double_cost', 0, '双次抽奖消耗(钻石)'],
+            ['!items1', [BigwheelGrid()], '档位1'],
+            ['!items2', [BigwheelGrid()], '档位2'],
+        ]
diff --git a/sql/gamedb.sql b/sql/gamedb.sql
index c54c180e..fbadd09d 100644
--- a/sql/gamedb.sql
+++ b/sql/gamedb.sql
@@ -1948,3 +1948,22 @@ CREATE TABLE `t_box_alloc` (
   KEY `idx_createtime` (`createtime`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 /*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Table structure for table `t_middata`
+--
+
+DROP TABLE IF EXISTS `t_middata`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `t_middata` (
+  `idx` bigint NOT NULL AUTO_INCREMENT COMMENT '自增id',
+  `account_id` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'account_id',
+  `type` varchar(60) CHARACTER SET utf8 NOT NULL COMMENT 'type',
+  `data` text COMMENT 'data',
+  `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`),
+  UNIQUE KEY `account_id_type` (`account_id`, `type`)
+) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+/*!40101 SET character_set_client = @saved_cs_client */;
diff --git a/webapp/controller/BaseController.class.php b/webapp/controller/BaseController.class.php
index b521ca20..0c56937b 100644
--- a/webapp/controller/BaseController.class.php
+++ b/webapp/controller/BaseController.class.php
@@ -10,7 +10,7 @@ class BaseController {
     private $relationDbConn = null;
     private $mailDbConn = null;
     private $timeOffset = 0;
-    private $serviceHash = array();
+    private $moduleHash = array();
 
     function __construct()
     {
@@ -276,17 +276,61 @@ class BaseController {
         return $channel == "0000";
     }
 
+    public function _getServiceConstant($serviceName, $name)
+    {
+        return $this->_internalGetModuleConstant('services', $serviceName, $name);
+    }
+
     public function _callServiceStatic($serviceName, $funcName, ...$args)
     {
-        if (!array_key_exists($serviceName, $this->serviceHash)) {
-            require_once('services/' . $serviceName . '.php');
-            $this->serviceHash[$serviceName] = $this->_getNowTime();
-        }
-        $method = new ReflectionMethod('services\\' . $serviceName, $funcName);
+        return $this->_internalCallModuleStatic('services', $serviceName, $funcName, ... $args);
+    }
+
+    public function _getModelConstant($modelName, $name)
+    {
+        return $this->_internalGetModuleConstant('models', $modelName, $name);
+    }
+
+    public function _callModelStatic($modelName, $funcName, ...$args)
+    {
+        return $this->_internalCallModuleStatic('models', $modelName, $funcName, ... $args);
+    }
+
+    public function _getMtConstant($modelName, $name)
+    {
+        return $this->_internalGetModuleConstant('mt', $modelName, $name);
+    }
+
+    public function _callMtStatic($modelName, $funcName, ...$args)
+    {
+        return $this->_internalCallModuleStatic('mt', $modelName, $funcName, ... $args);
+    }
+
+    private function _internalGetModuleConstant($dir, $moduleName, $name)
+    {
+        $fullName = $dir . '\\' . $moduleName;
+        $this->_internalMustBeLoadModule($fullName);
+        $reflectionConstant  = new ReflectionClassConstant($fullName, $name);
+        return $reflectionConstant->getValue();;
+    }
+
+    private function _internalCallModuleStatic($dir, $moduleName, $funcName, ...$args)
+    {
+        $fullName = $dir . '\\' . $moduleName;
+        $this->_internalMustBeLoadModule($fullName);
+        $method = new ReflectionMethod($fullName, $funcName);
         $ret = $method->invoke(null, ...$args);
         return $ret;
     }
 
+    private function _internalMustBeLoadModule($fullName)
+    {
+        if (!array_key_exists($fullName, $this->moduleHash)) {
+            require_once(str_replace('\\', '/', $fullName) . '.php');
+            $this->moduleHash[$fullName] = $this->_getNowTime();
+        }
+    }
+
     public function _getGameId() {
         return 2006;
     }
diff --git a/webapp/controller/BigwheelController.class.php b/webapp/controller/BigwheelController.class.php
new file mode 100644
index 00000000..37a06085
--- /dev/null
+++ b/webapp/controller/BigwheelController.class.php
@@ -0,0 +1,196 @@
+<?php
+
+require_once('mt/Parameter.php');
+require_once('mt/Bigwheel.php');
+
+require_once('services/LogService.php');
+require_once('services/AwardService.php');
+require_once('services/PropertyChgService.php');
+
+use phpcommon\SqlHelper;
+use models\User;
+use services\LogService;
+
+/*
+  {
+  "grid_list":
+  {
+  "grid_id": 123,
+  "grid_state": 0,
+  "item_id": 123,
+  "item_num": 314,
+  "buy_price": 314,
+  "draw_times": 1,
+  }
+  }
+ */
+
+class BigwheelController extends BaseAuthedController {
+
+    const MAX_DRAW_TIMES = 9;
+
+    public function info()
+    {
+        $key = $this->getMidDataKey();
+        $data = $this->getAndCreateData($key);
+        $priceInfo = $this->getPriceInfo($data['drawed_times']);
+        if (empty($priceInfo)) {
+            myself()->_rspErr(500, 'server internal error');
+            return;
+        }
+        $info = array();
+        $this->fillInfo($info, $data, $priceInfo);
+        myself()->_rspData(array(
+            'info' => $info
+        ));
+    }
+
+    public function drawS()
+    {
+        $drawType = getReqVal('type', 0);
+        if (!($drawType == 0 || $drawType == 1 || $drawType == 2)) {
+            myself()->_rspErr(2, 'type param error');
+            return;
+        }
+        $key = $this->getMidDataKey();
+        $data = $this->getAndCreateData($key);
+        if ($data['drawed_times'] >= self::MAX_DRAW_TIMES) {
+            myself()->_rspErr(1, 'The maximum number of lucky draws has been reached');
+            return;
+        }
+        $priceInfo = $this->getPriceInfo($data['drawed_times']);
+        if (empty($priceInfo)) {
+            myself()->_rspErr(500, 'server internal error');
+            return;
+        }
+        if ($priceInfo['cost_item_id'] != V_ITEM_DIAMOND) {
+            myself()->_rspErr(500, 'server internal error');
+            return;
+        }
+        $costItemNum = 0;
+        if ($drawType == 0) {
+            $costItemNum = $priceInfo['price_double'] * $priceInfo['discount_double'];
+            if (empty($costItemNum)) {
+                myself()->_rspErr(3, 'config error');
+                return;
+            }
+        } else if ($drawType == 1 || $drawType == 2) {
+            $costItemNum = $priceInfo['price_single'] * $priceInfo['discount_single'];
+            if (empty($costItemNum)) {
+                myself()->_rspErr(3, 'config error');
+                return;
+            }
+        } else {
+            myself()->_rspErr(2, 'type param error');
+            return;
+        }
+    }
+
+    public function buyS()
+    {
+        $key = $this->getMidDataKey();
+        $data = $this->getAndCreateData($key);
+    }
+
+    private function getMidDataKey()
+    {
+        return myself()->_getModelConstant('MidData', 'BIG_WHEEL_TYPE');
+    }
+
+    private function getAndCreateData($key)
+    {
+        $data = myself()->_callModelStatic('MidData', 'getData', $key);
+        if (!empty($data)) {
+            $data = json_decode($data, true);
+        }
+        if (empty($data)) {
+            $data = array(
+                'drawed_times' => 0,
+                "grid_list" => array()
+            );
+        }
+        return $data;
+    }
+
+    private function fillInfo(&$info, &$data, $priceInfo)
+    {
+        $info = array(
+            'drawed_times' => $data['drawed_times'],
+            'total_times' => self::MAX_DRAW_TIMES,
+            'single_cost' => $priceInfo['price_single'] * $priceInfo['discount_single'],
+            'double_cost' => $priceInfo['price_double'] * $priceInfo['discount_double'],
+            'items1' => array(),
+            'items2' => array(),
+        );
+        mt\Bigwheel::traverseMeta(
+            function ($meta) use(&$data, &$info) {
+                $item = array(
+                    'grid_id' => $meta['id'],
+                    'grid_state' => 0,
+                    'item_id' => 0,
+                    'item_num' => 0,
+                    'buy_price' => 0,
+                );
+                $gridRef = null;
+                $this->getGridRefByGridId($data, $meta['id'], $girdRef);
+                if (!empty($gridRef)) {
+                    $item = $gridRef;
+                }
+                switch ($meta['Wheel_type']) {
+                case 1:{
+                    array_push($info['items1'], $item);
+                }
+                break;
+                case 2:{
+                    array_push($info['items2'], $item);
+                }
+                break;
+                }
+                return true;
+            });
+    }
+
+    private function getGridRefByGridId(&$data,  $gridId, &$gridRefOut)
+    {
+        foreach ($data['grid_list'] as &$grid) {
+            if ($grid['grid_id'] == $girdId) {
+                $gridRefOut = $grid;
+                break;
+            }
+        }
+    }
+
+    private function getPriceInfo($drawedTimes)
+    {
+        $costItem = mt\Parameter::getVal('gacha_cost_item', 0);
+        $gachaPriceSingles = mt\Parameter::getListValue('gacha_price_single');
+        $gachaDiscountSingles = mt\Parameter::getListValue('gacha_discount_single');
+        $gachaPriceDoubles = mt\Parameter::getListValue('gacha_price_double');
+        $gachaDiscountDoubles = mt\Parameter::getListValue('gacha_discount_double');
+        $gachaPriceBuys = mt\Parameter::getListValue('gacha_price_buy');
+        $gachaDiscountBuys = mt\Parameter::getListValue('gacha_discount_buy');
+        if (count($gachaPriceSingles) != count($gachaDiscountSingles) &&
+            count($gachaPriceDoubles) != count($gachaDiscountDoubles) &&
+            count($gachaPriceBuys) != count($gachaDiscountBuys) &&
+            count($gachaDiscountBuys) != self::MAX_DRAW_TIMES) {
+            return null;
+        }
+        if ($drawedTimes < 0) {
+            return null;
+        }
+        if ($drawedTimes > self::MAX_DRAW_TIMES) {
+            $drawedTimes = self::MAX_DRAW_TIMES - 1;
+        }
+        $priceInfo = array(
+            'cost_item_id' => $costItem,
+            'price_single' => $gachaPriceSingles[$drawedTimes],
+            'discount_single' => $gachaDiscountSingles[$drawedTimes],
+            'price_double' => $gachaPriceDoubles[$drawedTimes],
+            'discount_double' => $gachaDiscountSingles[$drawedTimes],
+            'price_buy' => $gachaPriceBuys[$drawedTimes],
+            'discount_buy' => $gachaDiscountBuys[$drawedTimes],
+        );
+        return $priceInfo;
+    }
+
+}
diff --git a/webapp/models/MidData.php b/webapp/models/MidData.php
new file mode 100644
index 00000000..f94aed26
--- /dev/null
+++ b/webapp/models/MidData.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace models;
+
+use mt;
+use phpcommon\SqlHelper;
+
+class MidData extends BaseModel {
+
+    const BIG_WHEEL_TYPE = 'offer.reward.missions';
+
+    public static function getData($type)
+    {
+        $row = SqlHelper::ormSelectOne(
+            myself()->_getSelfMysql(),
+            't_middata',
+            array(
+                'account_id' => myself()->_getAccountId(),
+                'type' => $type,
+            )
+        );
+        return $row ? json_decode($row['data'], true) : null;
+    }
+
+
+    public static function setData($type, $data)
+    {
+        SqlHelper::upsert
+            (myself()->_getSelfMysql(),
+             't_middata',
+             array(
+                 'account_id' => myself()->_getAccountId(),
+                 'type' => $type
+             ),
+             array(
+                 'data' => $data,
+                 'modifytime' => myself()->_getNowTime()
+             ),
+             array(
+                 'account_id' => myself()->_getAccountId(),
+                 'type' => $type,
+                 'data' => $data,
+                 'createtime' => myself()->_getNowTime(),
+                 'modifytime' => myself()->_getNowTime()
+             )
+            );
+    }
+
+}
diff --git a/webapp/mt/Bigwheel.php b/webapp/mt/Bigwheel.php
new file mode 100644
index 00000000..9d1900fe
--- /dev/null
+++ b/webapp/mt/Bigwheel.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace mt;
+
+use phpcommon;
+
+class Bigwheel
+{
+
+    public static function get($id)
+    {
+        return getXVal(self::getMetaList(), $id);
+    }
+
+    protected static function getMetaList()
+    {
+        if (!self::$metaList) {
+            self::$metaList = getMetaTable('Bigwheel@Bigwheel.php');
+        }
+        return self::$metaList;
+    }
+
+    public static function traverseMeta($cb)
+    {
+        foreach (self::getMetaList() as $meta) {
+            if (!$cb($meta)) {
+                break;
+            }
+        }
+    }
+
+    protected static $metaList;
+}