diff --git a/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js b/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
index d980614..ca5b879 100644
--- a/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
+++ b/server/web3dbspider/services/events/UserMinterFactory/activate721nft.js
@@ -46,7 +46,7 @@ class Activate721Nft extends BaseEventProcess {
       tokenId,
       itemUniId,
       itemId);
-    await gameapi.confirmTransactionDb(transId);
+    await this.confirmTransactionDb(transId);
   }
 
   async mintNft(transId, owner,  tokenId, itemUniId, itemId) {
diff --git a/server/web3dbspider/services/events/common/BaseEventProcess.js b/server/web3dbspider/services/events/common/BaseEventProcess.js
index 06ffad3..7d2b707 100644
--- a/server/web3dbspider/services/events/common/BaseEventProcess.js
+++ b/server/web3dbspider/services/events/common/BaseEventProcess.js
@@ -63,7 +63,7 @@ class BaseEventProcess {
   }
 
   getContractAddressByName(name) {
-    return this.eventProc.getContractName(name);
+    return this.eventProc.getContractAddressByName(name);
   }
 
   getReturnValues() {
@@ -205,6 +205,10 @@ class BaseEventProcess {
     return ret;
   }
 
+  async confirmTransactionDb(transId) {
+    this.throwError('not impl');
+  }
+
 }
 
 module.exports = BaseEventProcess;