diff --git a/doc/_common.py b/doc/_common.py
index 9b716f84..1d02a6b6 100644
--- a/doc/_common.py
+++ b/doc/_common.py
@@ -1444,6 +1444,7 @@ class StakingDetail(object):
             ['order_id', '', 'order_id'],
             ['start_time', '', '质押开始时间'],
             ['stake_time', '', '质押时间'],
+            ['redeem_time', '', '赎回时间'],
             ['txhash', '', 'txhash'],
 
             ['item_id', 0, '道具id'],
diff --git a/sql/gamedb2006_migrate_230816_01.sql b/sql/gamedb2006_migrate_230816_01.sql
index f46b830f..a2ae571f 100644
--- a/sql/gamedb2006_migrate_230816_01.sql
+++ b/sql/gamedb2006_migrate_230816_01.sql
@@ -103,8 +103,6 @@ CREATE TABLE `t_staking` (
 
 alter table t_bc_order add column `currency_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'currency_name';
 
-alter table t_mall add column `currency_name` varchar(60) NOT NULL DEFAULT '' COMMENT 'currency_name';
-
 insert into version (version) values(2023081601);
 
 commit;
diff --git a/webapp/models/Staking.php b/webapp/models/Staking.php
index 1138ee52..a9d20005 100644
--- a/webapp/models/Staking.php
+++ b/webapp/models/Staking.php
@@ -199,6 +199,7 @@ class Staking extends BaseModel {
             'order_id' => $row['order_id'],
             'start_time' => $row['start_time'],
             'stake_time' => $row['stake_time'],
+            'redeem_time' => $row['redeem_time'],
             'txhash' => $row['txhash'],
 
             'item_id' => $row['item_id'],
@@ -211,9 +212,18 @@ class Staking extends BaseModel {
                               myself()->_getDaySeconds($row['start_time'])) /
                              3600 / 24);
         $saveDays = intval($row['stake_time'] / 3600 / 24);
-        $dailyInterest = self::getDailyInterest($row['stake_time']);
         $dto['stacked_days'] = max(0, $passedDays);
         $dto['remain_days'] = max(0, $saveDays - $dto['stacked_days']);
+        $stakedDays = $dto['stacked_days'];
+        $dailyInterest = self::getDailyInterest($row['stake_time'], $dto['remain_days']);
+        $srcDailyInterest = $dailyInterest;
+        if ($saveDays >= 30 * 12 * 2) {
+            if ($stakedDays < 30 * 12) {
+                $dailyInterest *= 0.6;
+            } else {
+                $dailyInterest *= 0.4;
+            }
+        }
         $dto['daily_rewards'] = $dto['cec_value'] * $dailyInterest;
         /*
         error_log(json_encode(array(
@@ -222,20 +232,33 @@ class Staking extends BaseModel {
             'daily_interest' => $dailyInterest
             )));
         */
+        $srcDailyRewards = $dto['cec_value'] * $srcDailyInterest;
         $dto['cec_rewards'] = 0;
         $dto['total_rewards'] = 0;
         if ($dto['status'] == self::REDEEM_STATUS) {
             if ($dto['remain_days'] <= 0 ) {
-                $dto['cec_rewards'] = $dto['daily_rewards'] * $saveDays;
+                $dto['cec_rewards'] = $srcDailyRewards * $saveDays;
             } else {
-                $dto['cec_rewards'] = $dto['daily_rewards'] * ($saveDays - $dto['remain_days']) * 0.25;
+                if ($saveDays >= 30 * 12 * 2) {
+                    $dto['cec_rewards'] = $srcDailyRewards * min(30 * 12, $stakedDays) * 0.6 * 0.25;
+                    $dto['cec_rewards'] += $srcDailyRewards * max(0, $stakedDays - 30 * 12) * 0.4 * 0.25;
+                } else {
+                    $dto['cec_rewards'] = $dto['daily_rewards'] * ($saveDays - $dto['remain_days']) * 0.25;
+                }
             }
             $dto['total_rewards'] = $dto['cec_rewards'];
         } else {
             if ($dto['remain_days'] <= 0 ) {
-                $dto['cec_rewards'] = $dto['daily_rewards'] * $saveDays;
+                $dto['cec_rewards'] = $srcDailyRewards * $saveDays;
+            } else {
+                if ($saveDays >= 30 * 12 * 2) {
+                    $dto['cec_rewards'] = $srcDailyRewards * min(30 * 12, $stakedDays) * 0.6;
+                    $dto['cec_rewards'] += $srcDailyRewards * max(0, $stakedDays - 30 * 12) * 0.4;
+                } else {
+                    $dto['cec_rewards'] = $dto['daily_rewards'] * ($saveDays - $dto['remain_days']);
+                }
             }
-            $dto['total_rewards'] = $dto['daily_rewards'] * ($saveDays - $dto['remain_days']);
+            $dto['total_rewards'] = $dto['cec_rewards'];
         }
         return $dto;
     }
@@ -245,7 +268,7 @@ class Staking extends BaseModel {
         return 1;
     }
 
-    public static function getDailyInterest($stakeTime)
+    private static function getDailyInterest($stakeTime, $remainDays)
     {
         $months = intval($stakeTime / 3600 / 24 / 30);
         if ($months <= 0) {
diff --git a/webapp/services/BlockChainService.php b/webapp/services/BlockChainService.php
index b3a36a33..b0cb21bb 100644
--- a/webapp/services/BlockChainService.php
+++ b/webapp/services/BlockChainService.php
@@ -215,9 +215,15 @@ class BlockChainService {
         if (strlen($val) <= $decimals) {
             $floatPart = $val;
         } else {
-            $intPart = substr($val, 0, $decimals);
-            $floatPart = substr($val, $decimals);
+            $intPart = substr($val, 0, strlen($val) - $decimals);
+            $floatPart = substr($val, strlen($val) - $decimals);
         }
+        /*
+        error_log(json_encode(array(
+            'val' => $val,
+            'int_part' => $intPart,
+            'float_part' => $floatPart,
+            )));*/
         return true;
     }
 
diff --git a/webapp/services/callback/GameItemMarketBuyOk.php b/webapp/services/callback/GameItemMarketBuyOk.php
index 848699d3..503a39a5 100644
--- a/webapp/services/callback/GameItemMarketBuyOk.php
+++ b/webapp/services/callback/GameItemMarketBuyOk.php
@@ -83,7 +83,7 @@ class GameItemMarketBuyOk {
             )),
             'param3' => json_encode($orderDb),
         ));
-        $currencyName = $orderDb['currency_name'];
+        $currencyName = $orderDb['currency'];
         EventService::mallConsume($accountId, $currencyName, $price);
         myself()->_rspOk();
     }