diff --git a/src/test/java/blockchain/query/Wallet/QueryWalletByOwnerTest.java b/src/test/java/blockchain/query/Wallet/QueryWalletByOwnerTest.java
index 786ab8a..c6e4677 100644
--- a/src/test/java/blockchain/query/Wallet/QueryWalletByOwnerTest.java
+++ b/src/test/java/blockchain/query/Wallet/QueryWalletByOwnerTest.java
@@ -30,7 +30,7 @@ public class QueryWalletByOwnerTest {
 
             ChannelClientWrapper channelClientWrapper = ChannelClientWrapper.setupChannel(fabricClientWrapper);
 
-            String[] args1 = {"chef"};
+            String[] args1 = {"bitman"};
             Collection<ProposalResponse> responseQuery = channelClientWrapper.queryByChainCode(chaincode,"queryWalletsByOwner",args1);
 
             for(ProposalResponse pres : responseQuery){
diff --git a/src/test/java/blockchain/query/Wallet/TransactionTestNewVersion.java b/src/test/java/blockchain/query/Wallet/TransactionTestNewVersion.java
index 54bf30d..bede237 100644
--- a/src/test/java/blockchain/query/Wallet/TransactionTestNewVersion.java
+++ b/src/test/java/blockchain/query/Wallet/TransactionTestNewVersion.java
@@ -56,7 +56,7 @@ public class TransactionTestNewVersion {
             ChaincodeID cid = ChaincodeID.newBuilder().setName(Config.CHAINCODE_NAME).build();
             tpr.setChaincodeID(cid);
             tpr.setFcn("queryWalletsByOwner");
-            tpr.setArgs(new String[]{"chef"});
+            tpr.setArgs(new String[]{"bitman"});
             tpr.setProposalWaitTime(120000);
 
             Collection<ProposalResponse> invokePropResp = channel.sendTransactionProposal(tpr);