diff --git a/Mbit.sh b/Mbit.sh
new file mode 100644
index 0000000..7c75462
--- /dev/null
+++ b/Mbit.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+GREEN='\033[0;32m'  # 绿色
+NC='\033[0m'        # 恢复默认颜色
+
+apt update
+apt install -y iproute2
+
+read -p "请输入要限制带宽的端口号（多个端口用逗号分隔）: " PORTS
+
+read -p "请输入限速值（单位为M）: " LIMIT
+
+INTERFACE="eth0"  # 要限制的网络接口
+
+# 使用逗号分隔端口号
+IFS=',' read -ra PORT_ARRAY <<< "$PORTS"
+
+for PORT in "${PORT_ARRAY[@]}"
+do
+    tc qdisc add dev $INTERFACE root handle 1: htb default 12
+    tc class add dev $INTERFACE parent 1: classid 1:1 htb rate ${LIMIT}mbit
+    tc class add dev $INTERFACE parent 1:1 classid 1:12 htb rate ${LIMIT}mbit
+    tc filter add dev $INTERFACE protocol ip parent 1:0 prio 1 u32 match ip dport $PORT 0xffff flowid 1:12
+    echo -e "${GREEN}端口 $PORT 的带宽限制已设置为 ${LIMIT}Mbit。${NC}"
+done
+
+systemctl restart systemd-networkd