diff --git a/cluster.go b/cluster.go
index 6d60d58..36b8be5 100644
--- a/cluster.go
+++ b/cluster.go
@@ -254,6 +254,7 @@ func (c *Cluster) EveryMonth(ctx context.Context, taskId string, day int, hour i
 
 	jobData := JobData{
 		JobType: JobTypeEveryMonth,
+		TaskId:  taskId,
 		// CreateTime: nowTime,
 		Day:    day,
 		Hour:   hour,
@@ -261,7 +262,7 @@ func (c *Cluster) EveryMonth(ctx context.Context, taskId string, day int, hour i
 		Second: second,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 每周执行一次
@@ -276,6 +277,7 @@ func (c *Cluster) EveryWeek(ctx context.Context, taskId string, week time.Weekda
 
 	jobData := JobData{
 		JobType: JobTypeEveryWeek,
+		TaskId:  taskId,
 		// CreateTime: nowTime,
 		Weekday: week,
 		Hour:    hour,
@@ -283,7 +285,7 @@ func (c *Cluster) EveryWeek(ctx context.Context, taskId string, week time.Weekda
 		Second:  second,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 每天执行一次
@@ -292,13 +294,14 @@ func (c *Cluster) EveryDay(ctx context.Context, taskId string, hour int, minute
 
 	jobData := JobData{
 		JobType: JobTypeEveryDay,
+		TaskId:  taskId,
 		// CreateTime: nowTime,
 		Hour:   hour,
 		Minute: minute,
 		Second: second,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 每小时执行一次
@@ -307,12 +310,13 @@ func (c *Cluster) EveryHour(ctx context.Context, taskId string, minute int, seco
 
 	jobData := JobData{
 		JobType: JobTypeEveryHour,
+		TaskId:  taskId,
 		// CreateTime: nowTime,
 		Minute: minute,
 		Second: second,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 每分钟执行一次
@@ -321,11 +325,12 @@ func (c *Cluster) EveryMinute(ctx context.Context, taskId string, second int, ca
 
 	jobData := JobData{
 		JobType: JobTypeEveryMinute,
+		TaskId:  taskId,
 		// CreateTime: nowTime,
 		Second: second,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 特定时间间隔
@@ -342,11 +347,12 @@ func (c *Cluster) EverySpace(ctx context.Context, taskId string, spaceTime time.
 
 	jobData := JobData{
 		JobType:      JobTypeInterval,
+		TaskId:       taskId,
 		BaseTime:     zeroTime, // 默认当天的零点
 		IntervalTime: spaceTime,
 	}
 
-	return c.addJob(ctx, taskId, jobData, callback, extendData)
+	return c.addJob(ctx, jobData, callback, extendData)
 }
 
 // 定时任务
@@ -379,12 +385,13 @@ func (l *Cluster) Cron(ctx context.Context, taskId string, cronExpression string
 
 	jobData := JobData{
 		JobType:        JobTypeCron,
+		TaskId:         taskId,
 		BaseTime:       zeroTime, // 默认当天的零点
 		CronExpression: cronExpression,
 		CronSchedule:   sche,
 	}
 
-	return l.addJob(ctx, taskId, jobData, callback, extendData)
+	return l.addJob(ctx, jobData, callback, extendData)
 }
 
 // 统一添加任务
@@ -394,11 +401,11 @@ func (l *Cluster) Cron(ctx context.Context, taskId string, cronExpression string
 // @param callback callback 回调函数
 // @param extendData interface{} 扩展数据
 // @return error
-func (l *Cluster) addJob(ctx context.Context, taskId string, jobData JobData, callback func(ctx context.Context, extendData interface{}) error, extendData interface{}) error {
+func (l *Cluster) addJob(ctx context.Context, jobData JobData, callback func(ctx context.Context, extendData interface{}) error, extendData interface{}) error {
 	// 判断是否重复
-	_, ok := l.workerList.Load(taskId)
+	_, ok := l.workerList.Load(jobData.TaskId)
 	if ok {
-		l.logger.Errorf(ctx, "Cluster addJob taskId exits:%s", taskId)
+		l.logger.Errorf(ctx, "Cluster addJob taskId exits:%s", jobData.TaskId)
 		return ErrTaskIdExists
 	}
 
@@ -412,13 +419,13 @@ func (l *Cluster) addJob(ctx context.Context, taskId string, jobData JobData, ca
 	t := timerStr{
 		Callback:   callback,
 		ExtendData: extendData,
-		TaskId:     taskId,
+		TaskId:     jobData.TaskId,
 		JobData:    &jobData,
 	}
 
-	l.workerList.Store(taskId, t)
+	l.workerList.Store(jobData.TaskId, t)
 
-	l.logger.Infof(ctx, "Cluster addJob taskId:%s", taskId)
+	l.logger.Infof(ctx, "Cluster addJob taskId:%s", jobData.TaskId)
 
 	return nil
 }
diff --git a/cmd/main.go b/cmd/main.go
index 129376f..ef4c28e 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -169,9 +169,9 @@ func cluster() {
 	fmt.Println(err)
 
 	// 默认秒级表达式
-	err = cluster.Cron(ctx, "test_cron1", "*/5 * * * * ?", aa, "这是cron任务1")
+	err = cluster.Cron(ctx, "test_cron1", "*/5 * * * * ?", aa, "这是cron任务1", timerx.WithCronParserSecond())
 	fmt.Println(err)
-	err = cluster.Cron(ctx, "test_cron2", "0/5 * * * * ?", aa, "这是cron任务2")
+	err = cluster.Cron(ctx, "test_cron2", "0/5 * * * * ?", aa, "这是cron任务2", timerx.WithCronParserSecond())
 	fmt.Println("这是cron任务2:", err)
 	// 自定义解析器
 	err = cluster.Cron(ctx, "test_cron3", "@every 2s", aa, "这是cron任务3", timerx.WithCronParserOption(cron.Descriptor))
@@ -179,6 +179,9 @@ func cluster() {
 	// Linux标准解析器
 	err = cluster.Cron(ctx, "test_cron4", "*/5 * * * *", aa, "这是cron任务4", timerx.WithCronParserLinux())
 	fmt.Println("这是cron任务4:", err)
+	// 仅符号解析器
+	err = cluster.Cron(ctx, "test_cron5", "@every 5s", aa, "这是cron任务5", timerx.WithCronParserDescriptor())
+	fmt.Println("这是cron任务5:", err)
 }
 
 func worker() {
diff --git a/option.go b/option.go
index b82d562..38959cf 100644
--- a/option.go
+++ b/option.go
@@ -127,3 +127,21 @@ func WithCronParserLinux() Option {
 		o.cronParser = &parser
 	}
 }
+
+// Cron表达式 符号
+// @yearly @annually => 每年执行一次，等同于 "0 0 0 1 1 *"
+// @monthly => 每月执行一次，等同于 "0 0 0 1 * *"
+// @weekly => 每周执行一次，等同于 "0 0 0 * * 0"
+// @daily @midnight => 每天执行一次，等同于 "0 0 0 * * *"
+// @hourly => 每小时执行一次，等同于 "0 0 * * * *"
+// @minutely => 每分钟执行一次，等同于 "0 * * * * *"
+// @secondly => 每秒执行一次，等同于 "* * * * * *"
+// @every(time.Duration) => 每隔指定时间执行一次，等同于 "@every 5s"
+
+func WithCronParserDescriptor() Option {
+	return func(o *Options) {
+		parser := cron.NewParser(cron.Descriptor)
+		o.cronParser = &parser
+	}
+}
+
diff --git a/single.go b/single.go
index cbdbcc0..4a80ba0 100644
--- a/single.go
+++ b/single.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/robfig/cron/v3"
 	"github.com/yuninks/timerx/logger"
 )
 
@@ -31,6 +32,7 @@ type Single struct {
 	stopChan    chan struct{}
 	hasRun      sync.Map
 	timeout     time.Duration
+	cronParser  *cron.Parser // cron表达式解析器
 }
 
 // 定时器类
@@ -41,13 +43,14 @@ func InitSingle(ctx context.Context, opts ...Option) *Single {
 	ctx, cancel := context.WithCancel(ctx)
 
 	sin := &Single{
-		ctx:      ctx,
-		cancel:   cancel,
-		logger:   op.logger,
-		location: op.location,
-		nextTime: time.Now(),
-		stopChan: make(chan struct{}),
-		timeout:  op.timeout,
+		ctx:        ctx,
+		cancel:     cancel,
+		logger:     op.logger,
+		location:   op.location,
+		nextTime:   time.Now(),
+		stopChan:   make(chan struct{}),
+		timeout:    op.timeout,
+		cronParser: op.cronParser,
 	}
 
 	sin.startDaemon()
@@ -270,6 +273,36 @@ func (c *Single) EverySpace(ctx context.Context, taskId string, spaceTime time.D
 	return c.addJob(ctx, jobData, callback, extendData)
 }
 
+func (l *Single) Cron(ctx context.Context, taskId string, cronExpression string, callback func(ctx context.Context, extendData any) error, extendData any, opt ...Option) (int64, error) {
+	nowTime := time.Now().In(l.location)
+	// 获取当天的零点时间
+	zeroTime := time.Date(nowTime.Year(), nowTime.Month(), nowTime.Day(), 0, 0, 0, 0, nowTime.Location())
+
+	options := Options{}
+	for _, o := range opt {
+		o(&options)
+	}
+	cronParser := l.cronParser
+	if options.cronParser != nil {
+		cronParser = options.cronParser
+	}
+
+	sche, err := GetCronSche(cronExpression, cronParser)
+	if err != nil {
+		l.logger.Errorf(ctx, "timer Single Cron cronExpression error:%s", err.Error())
+		return 0, err
+	}
+
+	jobData := JobData{
+		JobType:        JobTypeCron,
+		TaskId:         taskId,
+		BaseTime:       zeroTime, // 默认当天的零点
+		CronExpression: cronExpression,
+		CronSchedule:   sche,
+	}
+	return l.addJob(ctx, jobData, callback, extendData)
+}
+
 // 间隔定时器
 // @param space 间隔时间
 // @param call 回调函数