diff --git a/server/web3dbspider/services/events/factory.js b/server/web3dbspider/services/events/factory.js
index 90734eb..e610ada 100644
--- a/server/web3dbspider/services/events/factory.js
+++ b/server/web3dbspider/services/events/factory.js
@@ -21,7 +21,7 @@ async function init() {
   await add('HERO.Transfer', 'HERO/transfer');
   await add('CHIP.Transfer', 'CHIP/transfer');
   await add('UserMinterFactory.TokenMinted', 'UserMinterFactory/activate721nft');
-  await add('BENftMarket.SellOrder', 'BENftMarket/buy_order');
+  await add('BENftMarket.SellOrder', 'BENftMarket/sell_order');
   await add('BENftMarket.CancelOrder', 'BENftMarket/cancel_order');
   await add('BENftMarket.PriceUpdate', 'BENftMarket/price_update');
   await add('BENftMarket.BuyOrder', 'BENftMarket/buy_order');