diff --git a/xs.sh b/xs.sh
index 448fba4..306c5e5 100644
--- a/xs.sh
+++ b/xs.sh
@@ -3,57 +3,94 @@
 # 定义网络接口和限速参数
 INTERFACE="eno1"
 LIMIT_RATE="2mbit"
+PORTS=("8337" "8338")  # 指定限速的端口
 
-add_limit() {
-    echo "Applying bandwidth limit for ports 8337 and 8338..."
-
-    # 加载 ifb 模块并确保 ifb0 存在且启用
+# 加载 ifb 模块并确保 ifb0 存在且启用
+prepare_ifb() {
     modprobe ifb 2>/dev/null
     ip link show ifb0 >/dev/null 2>&1 || ip link add ifb0 type ifb
     ip link set ifb0 up 2>/dev/null
-
-    # 清理旧规则
-    tc qdisc del dev "$INTERFACE" root 2>/dev/null || true
-    tc qdisc del dev ifb0 root 2>/dev/null || true
-
-    # 添加上行规则
-    tc qdisc add dev "$INTERFACE" root handle 1: htb
-    tc class add dev "$INTERFACE" parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
-    tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8337 0xffff flowid 1:1
-    tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport 8338 0xffff flowid 1:1
-
-    # 添加下行规则
-    tc qdisc add dev ifb0 root handle 1: htb
-    tc class add dev ifb0 parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
-    tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8337 0xffff flowid 1:1
-    tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport 8338 0xffff flowid 1:1
-
-    # 将 ingress 流量重定向到 ifb0
-    tc qdisc add dev "$INTERFACE" ingress
-    tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip sport 8337 0xffff action mirred egress redirect dev ifb0
-    tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip sport 8338 0xffff action mirred egress redirect dev ifb0
-
-    echo "Bandwidth limit applied successfully."
 }
 
-delete_limit() {
-    echo "Removing bandwidth limit..."
+# 清理旧规则
+clear_rules() {
+    echo "Removing old bandwidth rules..."
     tc qdisc del dev "$INTERFACE" root 2>/dev/null || true
     tc qdisc del dev "$INTERFACE" ingress 2>/dev/null || true
     tc qdisc del dev ifb0 root 2>/dev/null || true
     ip link set ifb0 down 2>/dev/null || true
-    echo "Bandwidth limit removed successfully."
+    echo "Old rules removed successfully."
+}
+
+# 添加所有端口的限速
+add_all_ports_limit() {
+    echo "Applying bandwidth limit to all ports..."
+
+    # 添加上行规则
+    tc qdisc add dev "$INTERFACE" root handle 1: htb default 11
+    tc class add dev "$INTERFACE" parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+    tc class add dev "$INTERFACE" parent 1:1 classid 1:11 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+
+    # 未指定过滤器，默认限制所有流量
+    echo "All ports are now limited to $LIMIT_RATE."
+
+    # 添加下行规则
+    tc qdisc add dev ifb0 root handle 1: htb default 11
+    tc class add dev ifb0 parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+    tc class add dev ifb0 parent 1:1 classid 1:11 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+
+    # 将 ingress 流量重定向到 ifb0
+    tc qdisc add dev "$INTERFACE" ingress
+    tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip protocol 0x06 0xff action mirred egress redirect dev ifb0
+
+    echo "Bandwidth limit applied to all ports successfully."
+}
+
+# 添加指定端口的限速
+add_specified_ports_limit() {
+    echo "Applying bandwidth limit to specified ports (${PORTS[*]})..."
+
+    # 添加上行规则
+    tc qdisc add dev "$INTERFACE" root handle 1: htb
+    tc class add dev "$INTERFACE" parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+
+    for PORT in "${PORTS[@]}"; do
+        tc filter add dev "$INTERFACE" protocol ip parent 1:0 prio 1 u32 match ip dport "$PORT" 0xffff flowid 1:1
+    done
+
+    # 添加下行规则
+    tc qdisc add dev ifb0 root handle 1: htb
+    tc class add dev ifb0 parent 1: classid 1:1 htb rate "$LIMIT_RATE" ceil "$LIMIT_RATE"
+
+    for PORT in "${PORTS[@]}"; do
+        tc filter add dev ifb0 protocol ip parent 1:0 prio 1 u32 match ip sport "$PORT" 0xffff flowid 1:1
+    done
+
+    # 将 ingress 流量重定向到 ifb0
+    tc qdisc add dev "$INTERFACE" ingress
+    for PORT in "${PORTS[@]}"; do
+        tc filter add dev "$INTERFACE" parent ffff: protocol ip prio 1 u32 match ip sport "$PORT" 0xffff action mirred egress redirect dev ifb0
+    done
+
+    echo "Bandwidth limit applied to specified ports (${PORTS[*]}) successfully."
 }
 
 case "$1" in
+    addall)
+        clear_rules
+        prepare_ifb
+        add_all_ports_limit
+        ;;
     add)
-        add_limit
+        clear_rules
+        prepare_ifb
+        add_specified_ports_limit
         ;;
     del)
-        delete_limit
+        clear_rules
         ;;
     *)
-        echo "Usage: $0 {add|del}"
+        echo "Usage: $0 {addall|add|del}"
         exit 1
         ;;
 esac