diff --git a/webapp/controller/HeroSkillController.class.php b/webapp/controller/HeroSkillController.class.php
index fb70e076..c9cee0b5 100644
--- a/webapp/controller/HeroSkillController.class.php
+++ b/webapp/controller/HeroSkillController.class.php
@@ -12,7 +12,10 @@ class HeroSkillController extends BaseAuthedController
 {
     public function getSkillList(){
         $skillList = \mt\Skill::getPresetSkill();
-        $list = array_column($skillList,'skill_id');
+        $list = array();
+        foreach ($skillList as $skill){
+            $list[] = $skill['skill_id'];
+        }
         $this->_rspData(array(
             'data' => $list,
         ));
diff --git a/webapp/models/Gun.php b/webapp/models/Gun.php
index 1fefab2b..c3ca498b 100644
--- a/webapp/models/Gun.php
+++ b/webapp/models/Gun.php
@@ -300,7 +300,7 @@ class Gun extends BaseModel {
                                      $unlockTime - myself()->_getNowTime()),
             'unlock_trade_time' => $row['unlock_trade_time'],
             'offer_reward_state' => 0,
-            'tags' => $row['tags'],
+            'tags' => $row['tags']?:'',
         );
 //        $dto['durability_max'] = strval(round(FormulaService::Weapon_NFT_Maximum_Durability($dto['quality'],$dto['lucky']),3));
 //        $dto['pvp_ceg_uplimit'] = strval( round(FormulaService::getWeaponPvpDailyCegUpLimit($dto),2) );
diff --git a/webapp/models/Hero.php b/webapp/models/Hero.php
index 6d599fda..6e1fb446 100644
--- a/webapp/models/Hero.php
+++ b/webapp/models/Hero.php
@@ -297,7 +297,7 @@ class Hero extends BaseModel {
             'advanced_count' => $row['advanced_count'],
 //            'lucky' => $heroLucky,
             'offer_reward_state' => 0,
-            'tags' => $row['tags'],
+            'tags' => $row['tags']?:'',
         );
 //        $dto['hero_tili_max'] = strval(round(FormulaService::Hero_NFT_Maximum_Physical_Strength($dto['quality'],$dto['lucky']),3));
 //        $dto['pvp_ceg_uplimit'] =strval( round(FormulaService::getHeroPvpDailyCegUpLimit($dto),2) );