diff --git a/dispatch/abstract.go b/abstract/abstract.go
similarity index 78%
rename from dispatch/abstract.go
rename to abstract/abstract.go
index 082efad..8e2e5c3 100644
--- a/dispatch/abstract.go
+++ b/abstract/abstract.go
@@ -1,23 +1,23 @@
-// Package dispatch...
+// Package abstract ...
 //
 // Description : dispatch...
 //
 // Author : go_developer@163.com<张德满>
 //
 // Date : 2021-04-01 5:53 下午
-package dispatch
+package abstract
 
 import (
 	"git.zhangdeman.cn/gateway/balance/define"
 	"git.zhangdeman.cn/zhangdeman/exception"
 )
 
-// IDispatch 负载均衡的接口定义
+// IBalance 负载均衡的接口定义
 //
 // Author : go_developer@163.com<张德满>
 //
 // Date : 2:44 下午 2021/4/1
-type IDispatch interface {
+type IBalance interface {
 	// Get 获取一个节点
 	Get(nodeList []*define.SeverNode) (string, exception.IException)
 }
diff --git a/server.go b/server.go
index 7b73cc1..2b8f34e 100644
--- a/server.go
+++ b/server.go
@@ -8,10 +8,11 @@
 package balance
 
 import (
+	"git.zhangdeman.cn/gateway/balance/abstract"
 	"git.zhangdeman.cn/gateway/balance/define"
-	"git.zhangdeman.cn/gateway/balance/dispatch"
 	"git.zhangdeman.cn/zhangdeman/easylock"
 	"git.zhangdeman.cn/zhangdeman/exception"
+	"reflect"
 )
 
 // NewServer ...
@@ -19,7 +20,7 @@ import (
 // Author : go_developer@163.com<张德满>
 //
 // Date : 6:51 下午 2021/4/1
-func NewServer(nodeList []*define.SeverNode, d dispatch.IDispatch) *Server {
+func NewServer(nodeList []*define.SeverNode, d abstract.IBalance) *Server {
 	return &Server{
 		lock:     easylock.NewLock(),
 		NodeList: nodeList,
@@ -35,7 +36,7 @@ func NewServer(nodeList []*define.SeverNode, d dispatch.IDispatch) *Server {
 type Server struct {
 	lock     easylock.EasyLock
 	NodeList []*define.SeverNode
-	Balance  dispatch.IDispatch
+	Balance  abstract.IBalance
 }
 
 // Add 添加一个Server
@@ -81,3 +82,14 @@ func (s *Server) Get() (string, exception.IException) {
 	}()
 	return s.Balance.Get(s.NodeList)
 }
+
+// ChangeBalance 修改负载均衡策略
+func (s *Server) ChangeBalance(d abstract.IBalance) {
+	if nil == d {
+		return
+	}
+	if reflect.ValueOf(d).IsNil() {
+		return
+	}
+	s.Balance = d
+}