diff --git a/cluster.go b/cluster.go
index c105d2b..e698320 100644
--- a/cluster.go
+++ b/cluster.go
@@ -32,6 +32,7 @@ type Cluster struct {
 	ctx       context.Context
 	redis     redis.UniversalClient
 	cache     *cachex.Cache
+	timeout   time.Duration
 	logger    Logger
 	keyPrefix string         // key前缀
 	location  *time.Location // 根据时区计算的时间
@@ -55,6 +56,7 @@ func InitCluster(ctx context.Context, red redis.UniversalClient, keyPrefix strin
 			ctx:       ctx,
 			redis:     red,
 			cache:     cachex.NewCache(),
+			timeout:   op.timeout,
 			logger:    op.logger,
 			keyPrefix: keyPrefix,
 			location:  op.location,
@@ -64,6 +66,9 @@ func InitCluster(ctx context.Context, red redis.UniversalClient, keyPrefix strin
 			setKey:    "timer:cluster_setKey" + keyPrefix,        // 重入集合
 		}
 
+		// 设置锁的超时时间
+		lockx.InitOption(lockx.SetTimeout(op.timeout))
+
 		// 监听任务
 		go clu.watch()
 
@@ -418,7 +423,7 @@ type ReJobData struct {
 // 执行任务
 func (c *Cluster) doTask(ctx context.Context, taskId string) {
 
-	ctx, cancel := context.WithCancel(ctx)
+	ctx, cancel := context.WithTimeout(ctx, c.timeout)
 	defer cancel()
 
 	val, ok := clusterWorkerList.Load(taskId)
diff --git a/option.go b/option.go
index e7cc476..cc08bcd 100644
--- a/option.go
+++ b/option.go
@@ -3,14 +3,16 @@ package timerx
 import "time"
 
 type Options struct {
-	logger   Logger
-	location *time.Location
+	logger      Logger
+	location    *time.Location
+	timeout time.Duration
 }
 
 func defaultOptions() Options {
 	return Options{
-		logger:   NewLogger(),
-		location: time.Local,
+		logger:      NewLogger(),
+		location:    time.Local,
+		timeout: time.Hour,
 	}
 }
 
@@ -37,3 +39,10 @@ func SetTimeZone(zone *time.Location) Option {
 		o.location = zone
 	}
 }
+
+// 设置任务最长执行时间
+func SetTimeout(d time.Duration) Option {
+	return func(o *Options) {
+		o.timeout = d
+	}
+}