diff --git a/server.go b/server.go
index c2d58eb891d171487b0e27bcfd6c080840527256..7562402f95f2fae89521246912ba340ee42c2d0f 100644
--- a/server.go
+++ b/server.go
@@ -19,10 +19,12 @@ type Options struct {
 	AutoMergePacket bool
 	CloseHandler    func(*Session)
 	PrivateKey      *rsa.PrivateKey
+    SendChanSize int
 }
 
 // 协议服务器
 type Server struct {
+    option      Options
 	server     *link.Server
 	handler    sessionHandler
 	timer      *CountdownTimer
@@ -43,6 +45,10 @@ func NewServer(options Options) (*Server, error) {
 		options.Keepalive = 60
 	}
 
+    if options.SendChanSize <= 0{
+        options.SendChanSize = 24
+    }
+
 	if options.PrivateKey != nil && options.PrivateKey.Size() != 128 {
 		return nil, errors.New("RSA key must be 1024 bits")
 	}
@@ -51,6 +57,7 @@ func NewServer(options Options) (*Server, error) {
 		closeHandler: options.CloseHandler,
 		sessions:     make(map[uint64]*Session),
 		privateKey:   options.PrivateKey,
+        option: options,
 	}
 	server.handler.server = &server
 	server.handler.autoMergePacket = options.AutoMergePacket
@@ -73,7 +80,7 @@ func (server *Server) Run(network string, port int) error {
 	p := Protocol{
 		privateKey: server.privateKey,
 	}
-	server.server = link.NewServer(listen, &p, 24, server.handler)
+	server.server = link.NewServer(listen, &p, server.SendChanSize, server.handler)
 	log.Infof("[JT/T 808] protocol server started on %s", address)
 	return server.server.Serve()
 }