diff --git a/doc/Shop.py b/doc/Shop.py
index 9f863291..1a673b32 100644
--- a/doc/Shop.py
+++ b/doc/Shop.py
@@ -156,4 +156,42 @@ class Shop(object):
                     ['!pay_methods', [_common.PayMethod()], '支付方式列表'],
                 ]
             },
+            {
+                'name': 'getDailySelectionList',
+                'desc': '获取每日精选列表',
+                'group': 'Shop',
+                'url': 'webapp/index.php?c=Shop&a=getDailySelectionList',
+                'params': [
+                    _common.ReqHead(),
+                ],
+                'response': [
+                    _common.RspHead(),
+                    ['idx', 0, '每日精选的索引'],
+                    ['!goods_list', [_common.DailySelectionGoods()], '商品列表'],
+                ]
+            },
+            {
+                'name': 'refreshDailySelection',
+                'desc': '刷新每日精选',
+                'group': 'Shop',
+                'url': 'webapp/index.php?c=Shop&a=refreshDailySelection',
+                'params': [
+                    _common.ReqHead(),
+                ],
+                'response': [
+                    _common.RspHead(),
+                ]
+            },
+            {
+                'name': 'buyGoodsDS',
+                'desc': '购买每日精选商品',
+                'group': 'Shop',
+                'url': 'webapp/index.php?c=Shop&a=buyGoodsDS',
+                'params': [
+                    _common.ReqHead(),
+                    ['idx', 0, '每日精选的索引'],
+                    ['grid', 0, '商品在每日精选中的位置索引'],
+                    ['count', 0, '购买数量,始终是1'],
+                ]
+            }
         ]
diff --git a/doc/_common.py b/doc/_common.py
index ae3c2ee0..ef261085 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -429,6 +429,20 @@ class PayMethod(object):
             ['pay_way_code', 0, '支付方式code'],
         ]
             
+class DailySelectionGoods(object):
+    
+    def __init__(self):
+        self.fields = [
+            ['id', 0, '商品表唯一id'],
+            ['slot', "", '商品槽位'],
+            ['goods_id', 0, '商品id'],
+            ['goods_num', 0, '商品堆叠数量'],
+            ['shop_icon', "", '商品图标'],
+            ['weight', 0, '权重'],
+            ['discount', 0, '折扣'],
+            ['price', 0, '价格'],
+        ]
+        
 class Mission(object):
 
     def __init__(self):
diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 3540049f..f3814176 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -7,6 +7,7 @@ require_once('mt/Item.php');
 require_once('mt/Parameter.php');
 require_once('mt/Drop.php');
 require_once('mt/PayMethod.php');
+require_once('mt/Dailyselection.php');
 
 require_once('models/User.php');
 require_once('models/Hero.php');
@@ -31,6 +32,7 @@ use models\ShopBuyRecord;
 use models\Chip;
 use mt\Shop;
 use mt\PayMethod;
+use mt\Dailyselection;
 
 class ShopController extends BaseAuthedController
 {
@@ -731,7 +733,8 @@ class ShopController extends BaseAuthedController
         );
     }
 
-    public function getPayMethods() {
+    public function getPayMethods()
+    {
         $token_type = getReqVal('token_type', 99);
         $payMethods = mt\PayMethod::getPayMethods($token_type);
         $this->_rspData(
@@ -741,6 +744,187 @@ class ShopController extends BaseAuthedController
         );
     }
 
+    public function refreshDailySelection()
+    {
+        $account = $this->_getAccountId();
+        $count = $this->countTodayRefreshTimes($account);
+        $chk = $this->refreshDailySelectionWithMode($account, 1);
+        if ($chk) {
+            $this->_rspOk();
+        }
+    }
+
+    public function getDailySelectionList()
+    {
+        $account = $this->_getAccountId();
+
+        // 不清除过期的每日精选可以避免跨日操作错误
+        // $chk = $this->clearBeforeTodayDailySelections();
+
+        $chk = $this->getTodayLastDailySelection($account);
+        if (!$chk) {
+            $chk = $this->refreshDailySelectionWithMode($account, 0);
+            $chk = $this->getTodayLastDailySelection($account);
+        }
+        
+        $selection = $chk[0];
+        $goodsList = array();
+        for ($i = 1; $i <= 6; $i++) {
+            $goodsList[$i] = mt\Dailyselection::get($selection['grid_' . $i]);
+            $goodsList[$i]['count'] = $selection['count_' . $i];
+        }
+        $this->_rspData(
+            array(
+                'idx' => $selection['idx'],
+                'goods_list' => $goodsList,
+            )
+        );
+    }
+
+    public function buyGoodsDS() {
+        $account = $this->_getAccountId();
+        $idx = getReqVal('idx', 0);
+        $grid = getReqVal('grid', 0);
+        $count = getReqVal('count', 0);
+
+        $chk = $this->decDailySelectionItem($idx, $grid, $count);
+        if (!$chk) {
+            $this->_rspErr(1, 'goods not enough');
+            return false;
+        }
+
+        $this->_rspData(
+            array(
+                'idx' => $idx,
+                'grid' => $grid,
+                'count' => $count,
+            )
+        );
+    }
+
+    private function decDailySelectionItem($idx, $grid, $count)
+    {
+        $self = myself();
+        if (!$self) return false;
+
+        $conn = $self->_getMysql('');
+        $sql = "SELECT count_$grid FROM t_shop_dailyselection WHERE idx = $idx";
+        $chk = $conn->execQuery($sql);
+        if (!$chk) return false;
+        if ($chk[0]['count_' . $grid] < $count) return false;
+
+        $sql = "UPDATE t_shop_dailyselection SET count_$grid = count_$grid - $count WHERE idx = $idx";
+        $chk = $conn->execScript($sql);
+        return $chk;
+    }
+
+    private function clearBeforeTodayDailySelections() {
+        $self = myself();
+        if (!$self) return;
+
+        $conn = $self->_getMysql('');
+        $nowTime = $this->_getNowTime();
+        $dayTime = $this->_getDaySeconds($nowTime);
+
+        $sql = "DELETE FROM t_shop_dailyselection WHERE refresh_time < $dayTime";
+        $chk = $conn->execScript($sql);
+        return $chk;
+    }
+
+    private function countTodayRefreshTimes($account)
+    {
+        $self = myself();
+        if (!$self) return;
+
+        $conn = $self->_getMysql('');
+        $nowTime = $this->_getNowTime();
+        $dayTime = $this->_getDaySeconds($nowTime);
+
+        $sql = "SELECT COUNT(*) AS cnt FROM t_shop_dailyselection WHERE account_id = '$account' AND refresh_time >= $dayTime";
+
+        $row = $conn->execQuery($sql);
+
+        return $row[0]['cnt'];
+    }
+
+    private function getTodayLastDailySelection($account)
+    {
+        $self = myself();
+        if (!$self) return;
+
+        $conn = $self->_getMysql('');
+        $nowTime = $this->_getNowTime();
+        $dayTime = $this->_getDaySeconds($nowTime);
+
+        $sql = "SELECT * FROM t_shop_dailyselection WHERE account_id = '$account' AND refresh_time >= $dayTime ORDER BY idx DESC LIMIT 1";
+
+        $row = $conn->execQuery($sql);
+
+        return $row;
+    }
+
+    private function refreshDailySelectionWithMode($account, $mode)
+    {
+        $selection = $this->randomNewDailySelection();
+
+        $self = myself();
+        if (!$self) return;
+
+        $conn = $self->_getMysql('');
+        $nowTime = $this->_getNowTime();
+
+        $chk = SqlHelper::insert(
+            $conn,
+            't_shop_dailyselection',
+            array(
+                'account_id' => $account,
+                'refresh_mode' => $mode,
+                'refresh_time' => $nowTime,
+                'grid_1' => $selection[1]['id'],
+                'grid_2' => $selection[2]['id'],
+                'grid_3' => $selection[3]['id'],
+                'grid_4' => $selection[4]['id'],
+                'grid_5' => $selection[5]['id'],
+                'grid_6' => $selection[6]['id'],
+                'count_1' => 1,
+                'count_2' => 1,
+                'count_3' => 1,
+                'count_4' => 1,
+                'count_5' => 1,
+                'count_6' => 1,
+            )
+        );
+
+        return $chk;
+    }
+
+    private function randomNewDailySelection()
+    {
+        $newDailySelection = array();
+        for ($i = 1; $i <= 6; $i++) {
+            $store = mt\Dailyselection::getBySlot($i);
+            $newDailySelection[$i] = $this->weighted_random($store);
+        }
+        return $newDailySelection;
+    }
+
+    private function weighted_random($array)
+    {
+        // 计算数组元素的总权重
+        $total_weight = array_sum(array_column($array, "weight"));
+        // 生成一个随机数
+        $rand = mt_rand(1, $total_weight);
+        // 遍历数组，找到随机数对应的元素
+        foreach ($array as $item) {
+            // 如果随机数小于或等于当前元素的权重，返回该元素
+            if ($rand <= $item["weight"]) {
+                return $item;
+            }
+            // 否则，减去当前元素的权重，继续循环
+            $rand -= $item["weight"];
+        }
+    }
+
     private function outsideBuy($shopId, $itemId, $itemNum, $costItemId)
     {
         $propertyChgService = new services\PropertyChgService();
diff --git a/webapp/mt/Dailyselection.php b/webapp/mt/Dailyselection.php
new file mode 100644
index 00000000..9d6df1c3
--- /dev/null
+++ b/webapp/mt/Dailyselection.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace mt;
+
+use phpcommon;
+
+class Dailyselection
+{
+  public static function get($id)
+  {
+      return getXVal(self::getMetaList(), $id);
+  }
+
+  public static function getBySlot($slot)
+  {
+    self::cacheDailyselectionInSlot();
+    $dailyselection = getXVal(self::$cacheDailyselectionInSlotList, $slot, null);
+    return $dailyselection;
+  }
+
+  protected static function cacheDailyselectionInSlot()
+  {
+    if (!self::$cacheDailyselectionInSlotList) {
+      self::$cacheDailyselectionInSlotList = array();
+      foreach (self::getMetaList() as $meta) {
+        $keys = explode("|", $meta['slot']);
+        foreach ($keys as $key) {
+          if (!getXVal(self::$cacheDailyselectionInSlotList, $key, null)) {
+            self::$cacheDailyselectionInSlotList[$key] = array();
+          }
+          array_push(self::$cacheDailyselectionInSlotList[$key], $meta);
+        }
+      }
+    }
+
+    return self::$cacheDailyselectionInSlotList;
+  }
+
+  protected static function getMetaList()
+  {
+    if (!self::$metaList) {
+      self::$metaList = getMetaTable('Dailyselection@Dailyselection.php');
+    }
+    return self::$metaList;
+  }
+
+  protected static $cacheDailyselectionInSlotList;
+  protected static $metaList;
+}