diff --git a/src/components/chain/contract/GameItemMall.js b/src/components/chain/contract/GameItemMall.js
index 1c3759b..d0ea2a0 100644
--- a/src/components/chain/contract/GameItemMall.js
+++ b/src/components/chain/contract/GameItemMall.js
@@ -27,7 +27,7 @@ export class GameItemMall {
     const chainId = parseInt(import.meta.env.VUE_APP_NET_ID);
     const { provider, address } = await this.bc.selectAddress({targetChainId: chainId})
     const preDatas = {
-      net_id: address,
+      net_id: chainId,
       goods_id: itemId,
       account_address: address,
     }