diff --git a/context.go b/context.go
index 55c44fb..a8984a4 100644
--- a/context.go
+++ b/context.go
@@ -2,6 +2,7 @@ package hunter
 
 // TaskContext 上下文
 type TaskContext struct {
+	share   map[string]interface{}
 	hunter  *Hunter
 	curNode ITaskNode
 }
@@ -16,10 +17,27 @@ func (cxt *TaskContext) AddTask(itask ITask) {
 	if children := cxt.curNode.Children(); children == nil {
 		cxt.curNode.SetChildren(cxt.hunter.createQueue())
 	}
-	cxt.curNode.Children().Push(itask)
+	bt := &BaseTask{}
+	bt.SetTask(itask)
+	cxt.curNode.Children().Push(bt)
 }
 
 // AddParentTask 添加到当前任务队列
 func (cxt *TaskContext) AddParentTask(itask ITask) {
-	cxt.curNode.Parent().Children().Push(itask)
+	bt := &BaseTask{}
+	bt.SetTask(itask)
+	cxt.curNode.Parent().Children().Push(bt)
+}
+
+// GetShare 获取share的数据, 存储用的
+func (cxt *TaskContext) GetShare(key string) interface{} {
+	if v, ok := cxt.share[key]; ok {
+		return v
+	}
+	return nil
+}
+
+// SetShare 设置share的数据, 存储用的
+func (cxt *TaskContext) SetShare(key string, value interface{}) {
+	cxt.share[key] = value
 }
diff --git a/go.mod b/go.mod
index 7643f8d..6d02b85 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,6 @@ module github.com/474420502/hunter
 
 go 1.14
 
-require github.com/474420502/focus v0.8.1
+require (
+	github.com/474420502/focus v0.8.1
+)
diff --git a/go.sum b/go.sum
index 6902777..8cf793a 100644
--- a/go.sum
+++ b/go.sum
@@ -3,3 +3,23 @@ github.com/474420502/focus v0.8.1/go.mod h1:jrDXvK1CnUJ3PCR3ZJVYinbS2Yz5kM8OoAbC
 github.com/Pallinder/go-randomdata v1.1.0/go.mod h1:yHmJgulpD2Nfrm0cR9tI/+oAgRqCQQixsA8HyRZfV9Y=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/mdempsky/gocode v0.0.0-20200405233807-4acdcbdea79d h1:P8ngpzttYTqLj67Xt66V+2o5C53fGhXvkbqwFXMFvVI=
+github.com/mdempsky/gocode v0.0.0-20200405233807-4acdcbdea79d/go.mod h1:hltEC42XzfMNgg0S1v6JTywwra2Mu6F6cLR03debVQ8=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200407143752-a3568bac92ae h1:nMRC2i7oRGagyN5g3chxBF7gb2do/tIJ3ihoEnvYvsU=
+golang.org/x/tools v0.0.0-20200407143752-a3568bac92ae/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/hunter.go b/hunter.go
index 65afcc4..7cfd3e3 100644
--- a/hunter.go
+++ b/hunter.go
@@ -36,6 +36,7 @@ func NewPriorityHunter(queueCreator func() *pqueue.PriorityQueue) *Hunter {
 
 	hunter.cxt = NewContext()
 	hunter.cxt.curNode = hunter.task
+	hunter.cxt.share = make(map[string]interface{})
 	return hunter
 }
 
diff --git a/hunter_test.go b/hunter_test.go
index b669681..ee88348 100644
--- a/hunter_test.go
+++ b/hunter_test.go
@@ -1,7 +1,19 @@
 package hunter
 
-import "testing"
+import (
+	"testing"
+)
+
+type Web struct {
+}
+
+func (web Web) Execute(cxt *TaskContext) {
+	cxt.SetShare("123", 123)
+}
 
 func TestCase1(t *testing.T) {
-
+	hunter := NewHunter()
+	hunter.AddTask(&Web{})
+	hunter.Execute()
+	t.Error(hunter.cxt.GetShare("123"))
 }
diff --git a/priority.go b/priority.go
index 6966809..4136898 100644
--- a/priority.go
+++ b/priority.go
@@ -52,12 +52,13 @@ func CreatePriorityMinQueue() *pqueue.PriorityQueue {
 // priorityMax 最大值优先
 func priorityMax(k1, k2 interface{}) int {
 	p1, p2 := 0.0, 0.0
+	n1, n2 := k1.(ITaskNode), k2.(ITaskNode)
 
-	if priority, ok := k1.(IPriority); ok {
+	if priority, ok := n1.Task().(IPriority); ok {
 		p1 = priority.Priority()
 	}
 
-	if priority, ok := k2.(IPriority); ok {
+	if priority, ok := n2.Task().(IPriority); ok {
 		p2 = priority.Priority()
 	}
 
@@ -70,12 +71,13 @@ func priorityMax(k1, k2 interface{}) int {
 // priorityMin 最小值优先
 func priorityMin(k1, k2 interface{}) int {
 	p1, p2 := 0.0, 0.0
+	n1, n2 := k1.(ITaskNode), k2.(ITaskNode)
 
-	if priority, ok := k1.(IPriority); ok {
+	if priority, ok := n1.Task().(IPriority); ok {
 		p1 = priority.Priority()
 	}
 
-	if priority, ok := k2.(IPriority); ok {
+	if priority, ok := n2.Task().(IPriority); ok {
 		p2 = priority.Priority()
 	}