diff --git a/webapp/controller/MarketController.class.php b/webapp/controller/MarketController.class.php
index fb10e7a3..045906c7 100644
--- a/webapp/controller/MarketController.class.php
+++ b/webapp/controller/MarketController.class.php
@@ -20,6 +20,7 @@ use models\Nft;
 use models\BuyRecord;
 
 const CURRENCY_DECIMALS = 8;
+const PRICE_PAD = '0000000000';
 
 const PRESALE_NOT_STARTED = 0;
 const PRESALE_PREPARE = 1;
@@ -238,6 +239,9 @@ class MarketController extends BaseController {
         $originalPrice = $goodsMeta['price'] * pow(10, CURRENCY_DECIMALS);
         $discountPrice = $goodsMeta['discount'] * 100 > 0 ?
                        $originalPrice * $goodsMeta['discount'] : $originalPrice;
+
+        $discountPrice .= PRICE_PAD;
+        error_log('discountPrice:' . $discountPrice . ' price:' . $price . ' originPrice:' . $originalPrice);
         if (!$discountPrice || $price != $discountPrice) {
             myself()->_rspErr(500, 'price error');
             return;
diff --git a/webapp/controller/RestApiController.class.php b/webapp/controller/RestApiController.class.php
index 2a40c33a..c87319cd 100644
--- a/webapp/controller/RestApiController.class.php
+++ b/webapp/controller/RestApiController.class.php
@@ -50,15 +50,14 @@ class RestApiController extends BaseController {
             return;
         }
         $heroMeta = mt\Hero::get($nftDb['item_id']);
-        $itemMeta = mt\Item::get($nftDb['item_id']) ;
-        if (!$heroMeta || !$itemMeta) {
+        if (!$heroMeta) {
             myself()->_rspErr(2, 'server internal error');
             return;
         }
         $nftDto = array();
         $nftDto['name'] = $heroMeta['name'];
         $nftDto['description'] = '';
-        $nftDto['image'] = 'https://www.cebg.games/res/avatars/' . $itemMeta['nft_image_id'] . '.png';
+        $nftDto['image'] = 'https://www.cebg.games/res/nft/' . $nftDb['item_id'] . '.png';
 
         $nftDto['job'] = $heroMeta['herotype'];
         $nftDto['level'] = 1;