diff --git a/src/test/java/bdchain/api/Test.java b/src/test/java/bdchain/api/Test.java
index ba92ffa..b5bedb7 100644
--- a/src/test/java/bdchain/api/Test.java
+++ b/src/test/java/bdchain/api/Test.java
@@ -4,7 +4,7 @@ import bdchain.api.grpc.GetLedgersResponse;
 import bdchain.api.grpc.TransactionType;
 
 public class Test {
-  public static void main(String[] args) {
+  public static void main(String[] args) throws InterruptedException {
 
     final String ledger = "test";
     final int block_number = 1;
@@ -21,6 +21,7 @@ public class Test {
         tlClient
             .sendTransaction(ledger, TransactionType.RECORD, "0x0", "0x1", "data".getBytes())
             .getHash());
+    tlClient.shutdown();
 
     AccountingChainClient acClient = new AccountingChainClient("localhost", 8013);
     System.out.println(acClient.blockNumber(ledger).getBlockNumber());
@@ -33,5 +34,6 @@ public class Test {
         acClient.getTransactionByBlockNumberAndIndex(ledger, block_number, index).toString());
     System.out.println(
         acClient.getTransactionByBlockHashAndIndex(ledger, block_hash, index).toString());
+    acClient.shutdown();
   }
 }