diff --git a/io_client_manage.go b/io_client_manage.go
index bda9e78..9598e85 100644
--- a/io_client_manage.go
+++ b/io_client_manage.go
@@ -389,9 +389,7 @@ func (this *ClientManage) CloseClient(key string) error {
 
 // CloseClientAll 关闭所有客户端
 func (this *ClientManage) CloseClientAll() {
-	this.mu.Lock()
-	defer this.mu.Unlock()
-	for _, v := range this.m {
+	for _, v := range this.CopyClientMap() {
 		v.CloseAll()
 	}
 	this.m = make(map[string]*Client)
diff --git a/io_server.go b/io_server.go
index fc0c51b..661a790 100644
--- a/io_server.go
+++ b/io_server.go
@@ -16,6 +16,7 @@ func RunServer(newListen ListenFunc, options ...OptionServer) error {
 	return s.Run()
 }
 
+// NewServer 定义Listen,不用忘记运行Run,不要回出现能连接,服务无反应的情况
 func NewServer(newListen ListenFunc, options ...OptionServer) (*Server, error) {
 	return NewServerWithContext(context.Background(), newListen, options...)
 }
@@ -36,10 +37,9 @@ func NewServerWithContext(ctx context.Context, newListen func() (Listener, error
 		tag:          maps.NewSafe(),
 		listener:     listener,
 	}
-	s.ICloser.Logger = s.Logger
-	s.ClientManage.Logger = s.Logger
+	s.SetLogger(s.Logger)
 	//开启基础信息打印
-	s.Logger.Debug()
+	s.Debug()
 	//设置关闭函数
 	s.ICloser.SetCloseFunc(func(ctx context.Context, msg Message) {
 		//关闭listener
@@ -70,9 +70,18 @@ type Server struct {
 
 func (this *Server) Debug(b ...bool) {
 	this.Logger.Debug(b...)
+	this.ICloser.Logger.Debug(b...)
 	this.ClientManage.Logger.Debug(b...)
 }
 
+func (this *Server) SetLogger(logger Logger) *Server {
+	l := newLogger(logger)
+	this.Logger = l
+	this.ICloser.Logger = l
+	this.ClientManage.Logger = l
+	return this
+}
+
 func (this *Server) Tag() *maps.Safe {
 	return this.tag
 }
diff --git a/testdata/testserver/main.go b/testdata/testserver/main.go
new file mode 100644
index 0000000..88dd1af
--- /dev/null
+++ b/testdata/testserver/main.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"github.com/injoyai/io"
+	"github.com/injoyai/io/listen"
+	"github.com/injoyai/logs"
+	"time"
+)
+
+func main() {
+
+	listen.RunTCPServer(10086, func(s *io.Server) {
+		go func() {
+			for {
+				<-time.After(time.Second * 5)
+				logs.Debug(s.GetClientLen())
+			}
+		}()
+	})
+
+}