diff --git a/executor/bbc_executor.go b/executor/bbc_executor.go
index 0f89806..1319ec8 100644
--- a/executor/bbc_executor.go
+++ b/executor/bbc_executor.go
@@ -68,14 +68,16 @@ func initBBCClients(keyManager keys.KeyManager, providers []string, network ctyp
 }
 
 func NewBBCExecutor(cfg *config.Config, networkType ctypes.ChainNetwork) (*BBCExecutor, error) {
-	mnemonic, err := getMnemonic(&cfg.BBCConfig)
-	if err != nil {
-		panic(err.Error())
-	}
-
-	keyManager, err := keys.NewMnemonicKeyManager(mnemonic)
-	if err != nil {
-		panic(err.Error())
+	var keyManager keys.KeyManager
+	if len(cfg.BSCConfig.MonitorDataSeedList) >= 2 {
+		mnemonic, err := getMnemonic(&cfg.BBCConfig)
+		if err != nil {
+			panic(err.Error())
+		}
+		keyManager, err = keys.NewMnemonicKeyManager(mnemonic)
+		if err != nil {
+			panic(err.Error())
+		}
 	}
 
 	return &BBCExecutor{
diff --git a/executor/bsc_executor_test.go b/executor/bsc_executor_test.go
index 61fa6a2..9fb0347 100644
--- a/executor/bsc_executor_test.go
+++ b/executor/bsc_executor_test.go
@@ -28,11 +28,11 @@ var (
 			DestChainID:   97,
 		},
 		BBCConfig: config.BBCConfig{
-			RpcAddrs: BBCRpc,
+			RpcAddrs: []string{BBCRpc},
 		},
 		BSCConfig: config.BSCConfig{
 			GasLimit:   4700000,
-			Providers:  provider,
+			Providers:  []string{provider},
 			PrivateKey: privateKey,
 			KeyType:    config.KeyTypeLocalPrivateKey,
 		},
@@ -202,7 +202,7 @@ func TestBSCExecutor_CheckRelayer(t *testing.T) {
 	callOpts, err := executor.getCallOpts()
 	require.NoError(t, err)
 
-	instance, err := relayerhub.NewRelayerhub(relayerHubContractAddr, executor.bscClients)
+	instance, err := relayerhub.NewRelayerhub(relayerHubContractAddr, executor.GetClient())
 	require.NoError(t, err)
 
 	isRelayer, err := instance.IsRelayer(callOpts, executor.txSender)