diff --git a/webapp/controller/BlockChainController.class.php b/webapp/controller/BlockChainController.class.php
index 10294832..ad38e08c 100644
--- a/webapp/controller/BlockChainController.class.php
+++ b/webapp/controller/BlockChainController.class.php
@@ -9,8 +9,10 @@ require_once('models/Bag.php');
 require_once('models/Hero.php');
 require_once('models/Gun.php');
 require_once('models/Nft.php');
+require_once('models/Chip.php');
 require_once('models/Transaction.php');
 require_once('models/BuyRecord.php');
+require_once('models/Chip.php');
 
 require_once('services/AwardService.php');
 require_once('services/PropertyChgService.php');
@@ -24,6 +26,7 @@ use models\Gun;
 use models\Nft;
 use models\Transaction;
 use models\BuyRecord;
+use models\Chip;
 
 class BlockChainController extends BaseAuthedController {
 
@@ -98,7 +101,7 @@ class BlockChainController extends BaseAuthedController {
         break;
         case 2:
         {
-            $gunDb = Gun::find($uuid);
+            $gunDb = Gun::find($uniid);
             if (!$gunDb) {
                 myself()->_rspErr(1, 'gun not found');
                 return;
@@ -124,7 +127,7 @@ class BlockChainController extends BaseAuthedController {
                                  }
                              ));
             }
-            $this->internalActivate721Nft($tokenId, Nft::GUN_TYPE, $gunDb['gun_uniid'], $gunDb['gun_id']);
+            $this->internalActivate721Nft($tokenId, Nft::EQUIP_TYPE, $gunDb['gun_uniid'], $gunDb['gun_id']);
         }
         break;
         default:
@@ -203,7 +206,7 @@ class BlockChainController extends BaseAuthedController {
                 array(
                     'action' => Transaction::EVOLVE_721_ACTION_TYPE,
                     'tokenId' => $nft1['token_id'],
-                    'tokenType' => Nft::GUN_TYPE,
+                    'tokenType' => Nft::EQUIP_TYPE,
                     'itemUniId' => $nft1['gun_uniid'],
                     'itemId' => $nft1['gun_id']
                 )
@@ -484,9 +487,9 @@ class BlockChainController extends BaseAuthedController {
                     $transId,
                     Transaction::MINT_1155_ACTION_TYPE,
                     $tokenId,
-                    $tokenType,
-                    $itemUniId,
-                    $itemId
+                    Nft::CHIP_TYPE,
+                    $itemDb['item_uniid'],
+                    $itemDb['item_id']
                 );
                 myself()->_rspData(array(
                     'trans_id' => $transId,
diff --git a/webapp/services/NftService.php b/webapp/services/NftService.php
index 539dc1f9..e13aec34 100644
--- a/webapp/services/NftService.php
+++ b/webapp/services/NftService.php
@@ -23,6 +23,11 @@ class NftService extends BaseService {
         'ring' => Nft::RING_TYPE,
     );
 
+    public static function getChipBlance($account, $tokenId)
+    {
+        return Nft::getChipBlance($account, $tokenId);
+    }
+
     public static function isHeroOwner($openId, $tokenId)
     {
         return self::internalIsOwner($openId, 'hero', $tokenId);