diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index f1054d84..105c0714 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -1555,7 +1555,7 @@ class ShopController extends BaseAuthedController
         $rows = SqlHelper::select(
             $conn,
             't_bc_order',
-            array('ext_data'),
+            array('ext_data', 'createtime'),
             array(
                 'address' => $address,
                 'item_id' => $goodsId,
@@ -1563,6 +1563,7 @@ class ShopController extends BaseAuthedController
             )
         );
         foreach ($rows as $row) {
+            if ($row['createtime'] + 60 * 60 * 1 < $self->_getNowTime()) continue; // 24小时内有效
             $extData = json_decode($row['ext_data'], true);
             error_log("checkPendingBuyGoodsNormal: " . json_encode($extData));
             if ($extData['mode'] == SHOP_BUY_MODE_NORMAL) {
@@ -1586,7 +1587,7 @@ class ShopController extends BaseAuthedController
         $rows = SqlHelper::select(
             $conn,
             't_bc_order',
-            array('ext_data'),
+            array('ext_data', 'createtime'),
             array(
                 'address' => $address,
                 'item_id' => $goodsId,
@@ -1594,6 +1595,7 @@ class ShopController extends BaseAuthedController
             )
         );
         foreach ($rows as $row) {
+            if ($row['createtime'] + 60 * 60 * 1 < $self->_getNowTime()) continue; // 24小时内有效
             $extData = json_decode($row['ext_data'], true);
             if ($extData['mode'] == SHOP_BUY_MODE_DAILY_SELECTION) {
                 if ($extData['idx'] == $idx) {