diff --git a/webapp/controller/MarketController.class.php b/webapp/controller/MarketController.class.php
index 63859067..472cb570 100644
--- a/webapp/controller/MarketController.class.php
+++ b/webapp/controller/MarketController.class.php
@@ -513,11 +513,6 @@ class MarketController extends BaseAuthedController
             return;
         }
 
-        $payment_token_address = getReqVal('payment_token_address', '');
-        $nonce = getReqVal('nonce', '');
-        $signature = getReqVal('signature', '');
-        $net_id = getReqVal('net_id', '');
-
         $conn = myself()->_getSelfMysql();
 
         $nftDb = null;
@@ -530,34 +525,23 @@ class MarketController extends BaseAuthedController
         $c_type = null;
         $c_id = null;
 
-        if ($nft_token) {
-            $nftDb = Nft::findNftByOwner($account, $nft_token);
-            $nftDetail = Nft::toDto($nftDb);
-            $detail = $this->getNftGameData($nftDb);
-            $c_name = $nftDetail['info']['name'];
-            $c_job = isset($nftDetail['info']['job']) ? $nftDetail['info']['job']
-                : (isset($detail['chip_type']) ? $detail['chip_type']
-                    : (isset($detail['type']) ? $detail['type']
-                        : 0));
-            $c_lv = @$detail['gun_lv'] | @$detail['hero_lv'] | @$detail['chip_grade'];
-            $c_quality = isset($nftDetail['info']['quality']) ? $nftDetail['info']['quality'] : 0;
-            $c_durability = isset($nftDetail['info']['durability']) ? $nftDetail['info']['durability'] : (isset($detail['hero_tili']) ? $detail['hero_tili'] : 0);
-            $c_type = isset($detail['type']) ? $detail['type'] : 0;
-            $c_id = $nftDetail['item_id'];
-        } else {
-            if (!$this->decItems($account, $item_id, $amount)) {
-                $this->_rspErr(1, 'item not enough, item_id:' . $item_id);
-                return;
-            }
-            $itemMeta = mt\Item::get($item_id);
-            $c_name = $itemMeta['name'];
-            $c_job = 0;
-            $c_lv = 0;
-            $c_quality = $itemMeta['quality'];
-            $c_durability = 0;
-            $c_type = 0;
-            $c_id = $item_id;
+        // 检查是否有足够的物品
+        $costItems = $this->makeCostItems($item_id, $amount);
+        $lackItem = null;
+        if (!$this->_hasEnoughItems($costItems, $lackItem)) {
+            $this->_rspErr(2, $this->_getLackItemErrMsg($lackItem));
+            return;
         }
+        $this->_decItems($costItems);
+
+        $itemMeta = mt\Item::get($item_id);
+        $c_name = $itemMeta['name'];
+        $c_job = 0;
+        $c_lv = 0;
+        $c_quality = $itemMeta['quality'];
+        $c_durability = 0;
+        $c_type = 0;
+        $c_id = $item_id;
 
         $r = SqlHelper::insert(
             $conn,
@@ -583,6 +567,17 @@ class MarketController extends BaseAuthedController
         $this->_rspOk();
     }
 
+    private function makeCostItems($item_id, $num)
+    {
+        $costItems = array(
+            array(
+                'item_id' => $item_id,
+                'item_num' => $num
+            )
+        );
+        return $costItems;
+    }
+
     public function sellCancel()
     {
         $account = strtolower(getReqVal('account', ''));