diff --git a/cmd/ssh.go b/cmd/ssh.go
index 652032d..aa96183 100644
--- a/cmd/ssh.go
+++ b/cmd/ssh.go
@@ -32,13 +32,13 @@ var (
 			var sshCommand string
 			var targetName string
 			if exec == "" {
+				user := strings.TrimSpace(viper.GetString("ssh-user"))
 				target, err := internal.AskTarget(ctx, *_credential.awsConfig)
 				if err != nil {
 					panicRed(err)
 				}
 				targetName = target.Name
-
-				sshUser, err := internal.AskUser()
+				sshUser, err := internal.AskUser(user)
 				if err != nil {
 					panicRed(err)
 				}
@@ -93,6 +93,7 @@ var (
 			}
 
 			// call ssh
+			sshArgsFromCommand := strings.TrimSpace(viper.GetString("ssh-args"))
 			proxy := fmt.Sprintf("ProxyCommand=%s '%s' %s %s %s '%s'",
 				_credential.ssmPluginPath, string(sessJson), _credential.awsConfig.Region,
 				"StartSession", _credential.awsProfile, string(paramsJson))
@@ -102,6 +103,11 @@ var (
 					sshArgs = append(sshArgs, sep)
 				}
 			}
+			for _, sep := range strings.Split(sshArgsFromCommand, " ") {
+				if sep != "" {
+					sshArgs = append(sshArgs, sep)
+				}
+			}
 
 			if err := internal.CallProcess("ssh", sshArgs...); err != nil {
 				color.Red("%v", err)
@@ -120,10 +126,14 @@ func init() {
 	// add sub command
 	sshCommand.Flags().StringP("exec", "e", "", "[optional] ssh $exec, ex) \"-i ex.pem ubuntu@server\"")
 	sshCommand.Flags().StringP("identity", "i", "", "[optional] identity file path, ex) $HOME/.ssh/id_rsa")
+	sshCommand.Flags().StringP("user", "u", "", "[optional] ssh username, ex) ubuntu")
+	sshCommand.Flags().StringP("args", "a", "", "[optional] ssh $args, ex) \"-o UserKnownHostsFile=/dev/null -A\"")
 
 	// mapping viper
 	viper.BindPFlag("ssh-exec", sshCommand.Flags().Lookup("exec"))
 	viper.BindPFlag("ssh-identity", sshCommand.Flags().Lookup("identity"))
+	viper.BindPFlag("ssh-user", sshCommand.Flags().Lookup("user"))
+	viper.BindPFlag("ssh-args", sshCommand.Flags().Lookup("args"))
 
 	rootCmd.AddCommand(sshCommand)
 }
diff --git a/internal/ssm.go b/internal/ssm.go
index dba8457..240abb5 100644
--- a/internal/ssm.go
+++ b/internal/ssm.go
@@ -63,10 +63,13 @@ type (
 )
 
 // AskUser asks you which selects a user.
-func AskUser() (*User, error) {
+func AskUser(username string) (*User, error) {
 	prompt := &survey.Input{
 		Message: "Type your connect ssh user (default: root):",
 	}
+	if username != "" {
+		return &User{Name: username}, nil
+	}
 	var user string
 	survey.AskOne(prompt, &user)
 	user = strings.TrimSpace(user)