diff --git a/webapp/controller/BaseAuthedController.class.php b/webapp/controller/BaseAuthedController.class.php
index 1a2d5aab..4fe226ec 100644
--- a/webapp/controller/BaseAuthedController.class.php
+++ b/webapp/controller/BaseAuthedController.class.php
@@ -39,6 +39,11 @@ class BaseAuthedController extends BaseController {
         return $this->accountId;
     }
 
+    public function _getOpenId()
+    {
+        return phpcommon\extractOpenId($this->_getAccountId());
+    }
+
     public function _getChannel()
     {
         return phpcommon\extractChannel($this->_getAccountId());
diff --git a/webapp/models/Bag.php b/webapp/models/Bag.php
index 9b209990..831ff024 100644
--- a/webapp/models/Bag.php
+++ b/webapp/models/Bag.php
@@ -9,6 +9,7 @@ require_once('services/NftService.php');
 
 use mt;
 use phpcommon\SqlHelper;
+use services\NftService;
 
 class Bag extends BaseModel {
 
@@ -69,16 +70,16 @@ class Bag extends BaseModel {
     public static function getItemList($cb)
     {
         SqlHelper::ormSelect(
-            $this->_getSelfMysql(),
+            myself()->_getSelfMysql(),
             't_bag',
             array(
-                'account_id' => $this->_getAccountId()
+                'account_id' => myself()->_getAccountId()
             ),
             function ($row) use($cb) {
                 $cb($row);
             }
         );
-        foreach (services\NftService::getChips() as $nftDb) {
+        foreach (NftService::getChips() as $nftDb) {
             $row = SqlHelper::ormSelectOne(
                 myself()->_getSelfMysql(),
                 't_bag',
diff --git a/webapp/models/Gun.php b/webapp/models/Gun.php
index 2902359e..0f527440 100644
--- a/webapp/models/Gun.php
+++ b/webapp/models/Gun.php
@@ -10,6 +10,7 @@ require_once('services/NftService.php');
 
 use mt;
 use phpcommon\SqlHelper;
+use services\NftService;
 
 class Gun extends BaseModel {
 
@@ -32,7 +33,7 @@ class Gun extends BaseModel {
         if ($row) {
             $row['gun_uniid'] = $row['idx'];
             if ($row['account_id'] != myself()->_getAccountId()) {
-                if (!services\NftService::isEquipOwner($row['token_id'])) {
+                if (!NftService::isEquipOwner($row['token_id'])) {
                     $row = null;
                 }
             }
@@ -54,16 +55,16 @@ class Gun extends BaseModel {
     public static function getGunList($cb)
     {
         SqlHelper::ormSelect(
-            $this->_getSelfMysql(),
+            myself()->_getSelfMysql(),
             't_gun',
             array(
-                'account_id' => $this->_getAccountId()
+                'account_id' => myself()->_getAccountId()
             ),
             function ($row) use($cb) {
                 $cb($row);
             }
         );
-        foreach (services\NftService::getEquips() as $nftDb) {
+        foreach (NftService::getEquips() as $nftDb) {
             $row = SqlHelper::ormSelectOne(
                 myself()->_getSelfMysql(),
                 't_gun',
diff --git a/webapp/models/Hero.php b/webapp/models/Hero.php
index 8a3df965..3f081ffa 100644
--- a/webapp/models/Hero.php
+++ b/webapp/models/Hero.php
@@ -12,6 +12,7 @@ require_once('services/NftService.php');
 
 use mt;
 use phpcommon\SqlHelper;
+use services\NftService;
 
 class Hero extends BaseModel {
 
@@ -34,7 +35,7 @@ class Hero extends BaseModel {
         if ($row) {
             $row['hero_uniid'] = $row['idx'];
             if ($row['account_id'] != myself()->_getAccountId()) {
-                if (!services\NftService::isHeroOwner($row['token_id'])) {
+                if (!NftService::isHeroOwner($row['token_id'])) {
                     $row = null;
                 }
             }
@@ -56,16 +57,16 @@ class Hero extends BaseModel {
     public static function getHeroList($cb)
     {
         SqlHelper::ormSelect(
-            $this->_getSelfMysql(),
+            myself()->_getSelfMysql(),
             't_hero',
             array(
-                'account_id' => $this->_getAccountId()
+                'account_id' => myself()->_getAccountId()
             ),
             function ($row) use($cb) {
                 $cb($row);
             }
         );
-        foreach (services\NftService::getHeros() as $nftDb) {
+        foreach (NftService::getHeros() as $nftDb) {
             $row = SqlHelper::ormSelectOne(
                 myself()->_getSelfMysql(),
                 't_hero',