diff --git a/src/mysqld/args_handler.go b/src/mysqld/args_handler.go
index a20aada..c274399 100644
--- a/src/mysqld/args_handler.go
+++ b/src/mysqld/args_handler.go
@@ -10,15 +10,15 @@ package mysqld
 
 // ArgsHandler for mysqld operation.
 type ArgsHandler interface {
-	// mysqld start args
-	Start() []string
+	// generate mysqld start args
+	GenerateStartCmd() []string
 
-	// mysqld stop args
-	Stop() []string
+	// generate mysqld stop args
+	GenerateStopCmd() []string
 
-	// mysqld isrunning args
-	IsRunning() []string
+	// generate mysqld isrunning args
+	GenerateIsRunningCmd() []string
 
-	// mysqld kill args
-	Kill() []string
+	// generate mysqld kill args
+	GenerateKillCmd() []string
 }
diff --git a/src/mysqld/linux_args.go b/src/mysqld/linux_args.go
index 7ac9021..076aba9 100644
--- a/src/mysqld/linux_args.go
+++ b/src/mysqld/linux_args.go
@@ -38,7 +38,7 @@ func NewLinuxArgs(conf *config.BackupConfig) *LinuxArgs {
 }
 
 // Start used to start mysqld.
-func (l *LinuxArgs) Start() []string {
+func (l *LinuxArgs) GenerateStartCmd() []string {
 	safe57 := filepath.Join(l.conf.Basedir, mysqldsafe)
 	args := []string{
 		"-c",
@@ -48,7 +48,7 @@ func (l *LinuxArgs) Start() []string {
 }
 
 // Stop used to stop the mysqld.
-func (l *LinuxArgs) Stop() []string {
+func (l *LinuxArgs) GenerateStopCmd() []string {
 	admin57 := filepath.Join(l.conf.Basedir, mysqladmin)
 	args := []string{
 		"-c",
@@ -62,7 +62,7 @@ func (l *LinuxArgs) Stop() []string {
 }
 
 // IsRunning used to check the mysqld is running or not.
-func (l *LinuxArgs) IsRunning() []string {
+func (l *LinuxArgs) GenerateIsRunningCmd() []string {
 	// [m] is a trick to stop you picking up the actual grep process itself
 	safe57 := fmt.Sprintf("[m]ysqld_safe --defaults-file=%s", l.conf.DefaultsFile)
 	args := []string{
@@ -73,7 +73,7 @@ func (l *LinuxArgs) IsRunning() []string {
 }
 
 // Kill used to kill -9 the mysqld process.
-func (l *LinuxArgs) Kill() []string {
+func (l *LinuxArgs) GenerateKillCmd() []string {
 	args := []string{
 		"-c",
 	}
diff --git a/src/mysqld/linux_args_test.go b/src/mysqld/linux_args_test.go
index f23c268..6132d38 100644
--- a/src/mysqld/linux_args_test.go
+++ b/src/mysqld/linux_args_test.go
@@ -20,7 +20,7 @@ func TestLinuxStartArgs(t *testing.T) {
 	conf := config.DefaultBackupConfig()
 	linuxargs := NewLinuxArgs(conf)
 	want := `-c /u01/mysql_20160606/bin/mysqld_safe --defaults-file=/etc/my3306.cnf > /dev/null&`
-	got := strings.Join(linuxargs.Start(), " ")
+	got := strings.Join(linuxargs.GenerateStartCmd(), " ")
 	assert.Equal(t, want, got)
 }
 
@@ -31,7 +31,7 @@ func TestLinuxStopArgs(t *testing.T) {
 	// 1. passwords is null
 	{
 		want := `-c /u01/mysql_20160606/bin/mysqladmin -hlocalhost -uroot -P3306 shutdown`
-		got := strings.Join(linuxargs.Stop(), " ")
+		got := strings.Join(linuxargs.GenerateStopCmd(), " ")
 		assert.Equal(t, want, got)
 	}
 
@@ -39,7 +39,7 @@ func TestLinuxStopArgs(t *testing.T) {
 	{
 		conf.Passwd = `ddd"`
 		want := `-c /u01/mysql_20160606/bin/mysqladmin -hlocalhost -uroot -pddd" -P3306 shutdown`
-		got := strings.Join(linuxargs.Stop(), " ")
+		got := strings.Join(linuxargs.GenerateStopCmd(), " ")
 		assert.Equal(t, want, got)
 	}
 }
@@ -47,13 +47,13 @@ func TestLinuxStopArgs(t *testing.T) {
 func TestLinuxIsRunningArgs(t *testing.T) {
 	linuxargs := NewLinuxArgs(config.DefaultBackupConfig())
 	want := `-c ps aux | grep '[m]ysqld_safe --defaults-file=/etc/my3306.cnf' | wc -l`
-	got := strings.Join(linuxargs.IsRunning(), " ")
+	got := strings.Join(linuxargs.GenerateIsRunningCmd(), " ")
 	assert.Equal(t, want, got)
 }
 
 func TestLinuxKillArgs(t *testing.T) {
 	linuxargs := NewLinuxArgs(config.DefaultBackupConfig())
 	want := `-c kill -9 $(ps aux | grep '[-]-defaults-file=/etc/my3306.cnf' | awk '{print $2}')`
-	got := strings.Join(linuxargs.Kill(), " ")
+	got := strings.Join(linuxargs.GenerateKillCmd(), " ")
 	assert.Equal(t, want, got)
 }
diff --git a/src/mysqld/mock.go b/src/mysqld/mock.go
index 9bcc9c0..546d809 100644
--- a/src/mysqld/mock.go
+++ b/src/mysqld/mock.go
@@ -76,7 +76,7 @@ func NewMockArgs() *MockArgs {
 }
 
 // Start used to start the mock.
-func (l *MockArgs) Start() []string {
+func (l *MockArgs) GenerateStartCmd() []string {
 	args := []string{
 		"-c",
 		"ls -l",
@@ -86,7 +86,7 @@ func (l *MockArgs) Start() []string {
 }
 
 // Stop used to stop the mock.
-func (l *MockArgs) Stop() []string {
+func (l *MockArgs) GenerateStopCmd() []string {
 	args := []string{
 		"-c",
 		"ls -l",
@@ -96,7 +96,7 @@ func (l *MockArgs) Stop() []string {
 }
 
 // IsRunning used to check the mock running.
-func (l *MockArgs) IsRunning() []string {
+func (l *MockArgs) GenerateIsRunningCmd() []string {
 	args := []string{
 		"-c",
 		"ls -l",
@@ -106,7 +106,7 @@ func (l *MockArgs) IsRunning() []string {
 }
 
 // Kill used to kill the mock.
-func (l *MockArgs) Kill() []string {
+func (l *MockArgs) GenerateKillCmd() []string {
 	args := []string{
 		"-c",
 		"ls -l",
diff --git a/src/mysqld/mysqld.go b/src/mysqld/mysqld.go
index 95c0798..7112378 100644
--- a/src/mysqld/mysqld.go
+++ b/src/mysqld/mysqld.go
@@ -61,7 +61,7 @@ func (m *Mysqld) StartMysqld() error {
 	}
 
 	timeout := 3000
-	args := m.argsHandler.Start()
+	args := m.argsHandler.GenerateStartCmd()
 	if _, err := m.cmd.RunCommandWithTimeout(timeout, bash, args); err != nil {
 		log.Error("mysqld.start..error[%+v]", err)
 		return err
@@ -81,7 +81,7 @@ func (m *Mysqld) StopMysqld() error {
 	}
 
 	timeout := 5000
-	args := m.argsHandler.Stop()
+	args := m.argsHandler.GenerateStopCmd()
 	if _, err := m.cmd.RunCommandWithTimeout(timeout, bash, args); err != nil {
 		log.Error("mysqld.stop.mysqld.error[%+v]", err)
 		return err
@@ -98,7 +98,7 @@ func (m *Mysqld) KillMysqld() error {
 	timeout := 3000
 	log := m.log
 
-	args := m.argsHandler.Kill()
+	args := m.argsHandler.GenerateKillCmd()
 	log.Warning("mysqld.prepare.to.kill[%v]...", args)
 	if _, err := m.cmd.RunCommandWithTimeout(timeout, bash, args); err != nil {
 		log.Error("mysqld.kill.mysqld.error[%+v]", err)
@@ -114,7 +114,7 @@ func (m *Mysqld) KillMysqld() error {
 func (m *Mysqld) isMysqldRunning() bool {
 	log := m.log
 
-	args := m.argsHandler.IsRunning()
+	args := m.argsHandler.GenerateIsRunningCmd()
 	outs, err := m.cmd.RunCommand(bash, args)
 	if err != nil {
 		log.Error("mysqld57.isMysqldRunning.error[%v:%+v]", outs, err)