diff --git a/sql/gamedb.sql b/sql/gamedb.sql
index 36e77978..242a408e 100644
--- a/sql/gamedb.sql
+++ b/sql/gamedb.sql
@@ -1712,7 +1712,7 @@ CREATE TABLE `t_hash_rate` (
   `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_task_id` (`account_id`, `task_id`)
+   UNIQUE KEY `account_period_task_id` (`account_id`,`period`, `task_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 
 --
diff --git a/sql/gamedb2006_migrate_231228_01.sql b/sql/gamedb2006_migrate_231228_01.sql
index a76e3fa3..f475a938 100644
--- a/sql/gamedb2006_migrate_231228_01.sql
+++ b/sql/gamedb2006_migrate_231228_01.sql
@@ -9,7 +9,7 @@ CREATE TABLE `t_hash_rate` (
   `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_task_id` (`account_id`, `task_id`)
+  UNIQUE KEY `account_period_task_id` (`account_id`,`period`, `task_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10001 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 
 CREATE TABLE `t_hash_rate_battle_data` (
diff --git a/webapp/services/HashRateService.php b/webapp/services/HashRateService.php
index f43e97aa..e4d462d1 100644
--- a/webapp/services/HashRateService.php
+++ b/webapp/services/HashRateService.php
@@ -177,7 +177,7 @@ class HashRateService extends BaseService
     private function getWeaponsSlotData($taskMate){
         $val = 0;
         $battleData = $this->internalGetBattleData($taskMate);
-        $slotData = $battleData['weapons_slot_data'] ? $battleData['weapons_slot_data'] : array();
+        $slotData = isset($battleData['weapons_slot_data']) ? $battleData['weapons_slot_data'] : array();
         if (array_key_exists($taskMate['condition'],$slotData)){
             $val = $slotData[$taskMate['condition']];
         }