diff --git a/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js b/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
index 1e8dccf..5572828 100644
--- a/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
+++ b/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
@@ -60,7 +60,8 @@ class Activate721Nft extends BaseEventProcess {
       return;
     }
     await this.updateGameDbInfo(transId, itemUniId, itemId, tokenId, tokenType);
-    const {err, row} = await this.conn.ormSelectOne(
+    const {err, row} = await this.bcNftConn(
+      'ormSelectOne',
       't_nft',
       [
         ['token_id', tokenId],
@@ -84,7 +85,8 @@ class Activate721Nft extends BaseEventProcess {
         ['createtime', nowTime],
         ['modifytime', nowTime],
       ];
-      const {err} = await this.conn.insert(
+      const {err} = await this.bcNftConn(
+        'insert',
         't_nft',
         fieldList
       );