diff --git a/task.go b/task.go
index 1bca670..f0bdaaf 100644
--- a/task.go
+++ b/task.go
@@ -9,6 +9,7 @@ package task
 
 import (
 	"context"
+	"fmt"
 	"sync"
 )
 
@@ -48,6 +49,9 @@ func (d *dispatch) Register(taskInstanceList ...ITask) error {
 		if nil == taskInstance {
 			continue
 		}
+		if _, exist := d.taskTable[taskInstance.Name()]; exist {
+			return fmt.Errorf("%s 任务重复注册! ", taskInstance.Name())
+		}
 		d.taskTable[taskInstance.Name()] = taskInstance
 	}
 	return nil