diff --git a/utils/websocket.go b/utils/websocket.go
index c4e265e..e2a73bf 100644
--- a/utils/websocket.go
+++ b/utils/websocket.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"log"
 	"net/url"
+	"os"
 	"strconv"
 	"strings"
 
@@ -17,6 +18,7 @@ import (
 var aminoCdc = amino.NewCodec()
 
 func init() {
+	log.SetOutput(os.Stdout)
 	ctypes.RegisterAmino(aminoCdc)
 }
 
@@ -77,7 +79,7 @@ func (app SantaApp) ListenNewBLock(isTest bool) {
 		if blockEvent.Block.Height%triggerInterval == 0 {
 			txHash, err := app.SendTx(blockEvent.Block.ChainID)
 			if err != nil {
-				log.Fatal("[Fail] to send tx", err)
+				log.Printf("[Fail] to send tx: %s", err.Error())
 			}
 
 			log.Printf("[Success] Height: %d,\tTxHash: %s\n", blockEvent.Block.Height, txHash)
diff --git a/utils/websocket_test.go b/utils/websocket_test.go
index a41bfc0..c22c61a 100644
--- a/utils/websocket_test.go
+++ b/utils/websocket_test.go
@@ -1,15 +1,17 @@
 package utils
 
 import (
-	"os"
 	"bytes"
 	"log"
+	"os"
 	"strings"
 	"time"
 
 	"testing"
+
 	"github.com/stretchr/testify/require"
 )
+
 func TestWebsocketListen(t *testing.T) {
 	app := setupWithPlentyBalanceAccount(t)
 
@@ -18,11 +20,11 @@ func TestWebsocketListen(t *testing.T) {
 
 	var logBuf bytes.Buffer
 	log.SetOutput(&logBuf)
-	defer log.SetOutput(os.Stderr)
+	defer log.SetOutput(os.Stdout)
 
 	app.TriggerInterval = "1"
 	app.ListenNewBLock(true)
-	
+
 	result := logBuf.String()
 	require.True(t, strings.Contains(result, "[Success]"))
-}
\ No newline at end of file
+}