diff --git a/webapp/controller/MarketController.class.php b/webapp/controller/MarketController.class.php
index ea326f1a..841fd0ae 100644
--- a/webapp/controller/MarketController.class.php
+++ b/webapp/controller/MarketController.class.php
@@ -93,7 +93,7 @@ class MarketController extends BaseController {
         $nonce = getReqVal('nonce', '');
         $signature = getReqVal('signature', '');
         $gameId = 2006;
-        $funcId = 1;
+        $funcId = MarketService::FUNCID_CREATE;
         if (!MarketService::isValidToken($buyerAddress, $token)) {
             myself()->_rspErr(100, 'invalid token');
             return;
diff --git a/webapp/services/MarketService.php b/webapp/services/MarketService.php
index 8c6483c1..03537e58 100644
--- a/webapp/services/MarketService.php
+++ b/webapp/services/MarketService.php
@@ -32,6 +32,8 @@ class MarketService extends BaseService {
     const PRESALE_STARTED = 2;
     const PRESALE_SOLD_OUT = 3;
 
+    const FUNCID_CREATE = 1;
+
     const TOKEN_SALT = 'B8E6BD4F-FD7B-E2B8-6688-80A2D8632064';
 
     public static function isTestMode()