diff --git a/internal/conns/map.go b/internal/conns/map.go
index 3f52afb..de657ad 100644
--- a/internal/conns/map.go
+++ b/internal/conns/map.go
@@ -4,6 +4,7 @@ package conns
 
 import (
 	"net"
+	"sort"
 	"sync"
 	"time"
 )
@@ -126,5 +127,12 @@ func (this *Map) AllConns() []*ConnInfo {
 			result = append(result, connInfo)
 		}
 	}
+
+	// 按时间排序
+	sort.Slice(result, func(i, j int) bool {
+		// 创建时间越大，Age越小
+		return result[i].CreatedAt > result[j].CreatedAt
+	})
+
 	return result
 }
diff --git a/internal/nodes/client_conn.go b/internal/nodes/client_conn.go
index a63d53f..1c11a34 100644
--- a/internal/nodes/client_conn.go
+++ b/internal/nodes/client_conn.go
@@ -69,6 +69,7 @@ func (this *ClientConn) Read(b []byte) (n int, err error) {
 	}
 
 	// TLS
+	// TODO L1 -> L2 时，不计算synflood
 	if this.isTLS {
 		if !this.hasDeadline {
 			_ = this.rawConn.SetReadDeadline(time.Now().Add(time.Duration(nodeconfigs.DefaultTLSHandshakeTimeout) * time.Second)) // TODO 握手超时时间可以设置
@@ -115,9 +116,10 @@ func (this *ClientConn) Read(b []byte) (n int, err error) {
 
 func (this *ClientConn) Write(b []byte) (n int, err error) {
 	// 设置超时时间
-	var timeoutSeconds = len(b) / 512
-	if timeoutSeconds < 5 {
-		timeoutSeconds = 5
+	// TODO L2 -> L1 写入时不限制时间
+	var timeoutSeconds = len(b) / 4096
+	if timeoutSeconds < 3 {
+		timeoutSeconds = 3
 	}
 	_ = this.rawConn.SetWriteDeadline(time.Now().Add(time.Duration(timeoutSeconds) * time.Second)) // TODO 时间可以设置
 
@@ -134,6 +136,8 @@ func (this *ClientConn) Write(b []byte) (n int, err error) {
 
 	// 如果是写入超时，则立即关闭连接
 	if err != nil && os.IsTimeout(err) {
+		//logs.Println(this.RemoteAddr(), timeoutSeconds, "seconds", n, "bytes")
+
 		// TODO 考虑对多次慢连接的IP做出惩罚
 		conn, ok := this.rawConn.(LingerConn)
 		if ok {