diff --git a/execute_plan.go b/execute_plan.go
index 2acfd09..e3242ab 100644
--- a/execute_plan.go
+++ b/execute_plan.go
@@ -1,9 +1,5 @@
 package imitate
 
-import (
-	"github.com/474420502/requests"
-)
-
 // type ExecuteRecord struct {
 // 	IsSuccess bool
 // 	FailCount int
@@ -24,34 +20,32 @@ type IExecute interface {
 }
 
 // ExecutePlan 执行时间的计划表
-type ExecutePlan struct {
-	ExecuteQueue []IExecute
-}
+type ExecutePlan CircularLinked
 
-// PlanResult 执行计划表的结果
-type PlanResult struct {
-	Exec IExecute
-	Resp *requests.Response
-}
+// // PlanResult 执行计划表的结果
+// type PlanResult struct {
+// 	Exec IExecute
+// 	Resp *requests.Response
+// }
 
-// NewExecutePlan create a plan
-func NewExecutePlan() *ExecutePlan {
-	plan := &ExecutePlan{}
+// // NewExecutePlan create a plan
+// func NewExecutePlan() *ExecutePlan {
+// 	plan := &ExecutePlan{}
+// 	plan.ExecuteQueue = NewCircularLinked()
+// 	return plan
+// }
 
-	return plan
-}
+// // AppendIExecute 添加执行计划任务
+// func (ep *ExecutePlan) AppendIExecute(e IExecute) {
+// 	ep.ExecuteQueue.Append(e)
+// }
 
-// AppendIExecute 添加执行计划任务
-func (ep *ExecutePlan) AppendIExecute(e IExecute) {
-	ep.ExecuteQueue = append(ep.ExecuteQueue, e)
-}
+// // ClearIExecute 清除执行计划任务
+// func (ep *ExecutePlan) ClearIExecute() {
+// 	ep.ExecuteQueue = NewCircularLinked()
+// }
 
-// ClearIExecute 清除执行计划任务
-func (ep *ExecutePlan) ClearIExecute() {
-	ep.ExecuteQueue = []IExecute{}
-}
-
-// CountIExecute 清除执行计划任务
-func (ep *ExecutePlan) CountIExecute() int {
-	return len(ep.ExecuteQueue)
-}
+// // CountIExecute 清除执行计划任务
+// func (ep *ExecutePlan) CountIExecute() uint64 {
+// 	return ep.ExecuteQueue.Size()
+// }
diff --git a/execute_test.go b/execute_test.go
index f5de1d1..33457e1 100644
--- a/execute_test.go
+++ b/execute_test.go
@@ -12,19 +12,23 @@ import (
 
 type Person struct {
 	Tasks []Task
+	Conf  *Config
 }
 
 type Task struct {
 	Curl *curl2info.CURL
-	Conf *Config
 	Plan *ExecutePlan
 }
 
-func NewTask(conf string, curlinfo string) *Task {
-	task := &Task{}
+func NewPerson(conf string, curlinfo string) *Person {
+	return nil
+}
 
-	task.Conf = NewConfig(conf)
+func NewTask(curlinfo string, Plan *ExecutePlan) *Task {
+	task := &Task{}
+	// task.Conf = NewConfig(conf)
 	task.Curl = curl2info.NewCURL(curlinfo)
+	task.Plan = Plan
 
 	return task
 }
diff --git a/structure.go b/structure.go
index 949e02f..415378a 100644
--- a/structure.go
+++ b/structure.go
@@ -191,6 +191,15 @@ func (list *CircularLinked) Size() uint64 {
 	return list.size
 }
 
+// Clone 复制一个完整的链表, 只是value引用, 如果是指针他们(链表)之间, 操作value会可能产生影响
+func (list *CircularLinked) Clone() *CircularLinked {
+	cl := NewCircularLinked()
+	for i := uint64(0); i < list.size; i++ {
+		cl.Append(list.cursor.value)
+	}
+	return cl
+}
+
 func (list *CircularLinked) errorNotInList(node *Node) {
 	log.Println("the node value ", spew.Sprint(node), " is not in list")
 }