diff --git a/webapp/models/HashRateShopBuyRecord.php b/webapp/models/HashRateShopBuyRecord.php
index 0e4b3937..95af6857 100644
--- a/webapp/models/HashRateShopBuyRecord.php
+++ b/webapp/models/HashRateShopBuyRecord.php
@@ -36,7 +36,8 @@ class HashRateShopBuyRecord extends BaseModel
                 $row['this_day_buy_times'] = 0;
             }
             $mondaySeconds = myself()->_getMondaySeconds();
-            if (!($row['last_buy_time'] >= $mondaySeconds && $row['last_buy_time'] <= $mondaySeconds)) {
+            if (!($row['last_buy_time'] >= $mondaySeconds &&
+                  $row['last_buy_time'] <= $mondaySeconds + 3600 * 24 * 7)) {
                 $row['this_week_buy_times'] = 0;
             }
             $monthFirstDaySeconds = myself()->_getMonthFirstDaySeconds();
diff --git a/webapp/services/HashRateShopService.php b/webapp/services/HashRateShopService.php
index ab91a4d9..27aa5238 100644
--- a/webapp/services/HashRateShopService.php
+++ b/webapp/services/HashRateShopService.php
@@ -80,6 +80,9 @@ class HashRateShopService {
                 case mt\HashRateShop::DAILY_BUY_LIMIT: {
                     $buyRecord = getXVal($buyRecordHash, $goodsId);
                     $boughtTimes = $buyRecord ? $buyRecord['this_day_buy_times'] + $goodsNum : 1;
+                    error_log(json_encode(array(
+                        'boughtTimes' => $boughtTimes
+                    )));
                     if ($buyRecord && getXVal($buyRecord, 'this_day_buy_times', 0) >= $goodsMeta['limit_num']) {
                         $errCode = 2;
                         $errMsg = 'Daily purchase limit';
@@ -90,6 +93,10 @@ class HashRateShopService {
                 case mt\HashRateShop::WEEKLY_BUY_LIMIT: {
                     $buyRecord = getXVal($buyRecordHash, $goodsId);
                     $boughtTimes = $buyRecord ? $buyRecord['this_week_buy_times'] + $goodsNum : 1;
+                    error_log(json_encode(array(
+                        'buyRecordHash' =>$buyRecordHash,
+                        'boughtTimes' => $boughtTimes
+                    )));
                     if ($buyRecord && getXVal($buyRecord, 'this_week_buy_times', 0) >= $goodsMeta['limit_num']) {
                         $errCode = 2;
                         $errMsg = 'Weekly purchase limit reached';