diff --git a/backend/internal/siteMonitor/monitor.go b/backend/internal/siteMonitor/monitor.go
index 6965423..02995fc 100644
--- a/backend/internal/siteMonitor/monitor.go
+++ b/backend/internal/siteMonitor/monitor.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"strings"
 	"time"
+	"strconv"
 )
 
 // SSLInfo 定义结果结构体
@@ -188,18 +189,48 @@ func UpdInfo(id, domain string, s *public.Sqlite, reportType string) error {
 	return errCheck
 }
 
+// ExtractHostPort 从 target 中提取 host 和 port 并校验，若无 port 则使用默认值
+func ExtractAndValidateHostPort(target, defaultPort string) (host string, port string, err error) {
+	host = target
+	port = defaultPort
+
+	// 处理带端口情况
+	if strings.Contains(target, ":") {
+		h, p, splitErr := net.SplitHostPort(target)
+		if splitErr == nil {
+			host, port = h, p
+		} else if !(strings.Count(target, ":") >= 2) || strings.Contains(target, "]") {
+			return "", "", fmt.Errorf("地址格式错误：%v", splitErr)
+		}
+	}
+
+	// 验证端口是数字且在有效范围内
+	portNum, convErr := strconv.Atoi(port)
+	if convErr != nil || portNum < 1 || portNum > 65535 {
+		return "", "", fmt.Errorf("端口号非法：%s", port)
+	}
+
+	return host, port, nil
+}
+
 // CheckWebsite 实际检测函数
 func CheckWebsite(target string) (*SSLInfo, error) {
 	result := &SSLInfo{Target: target}
 
+	host, port, err := ExtractAndValidateHostPort(target, "443")
+
+	if err != nil {
+		return nil, err
+	}
+
 	// 验证格式是否是 IP 或域名
-	if net.ParseIP(target) == nil {
-		if _, err := net.LookupHost(target); err != nil {
+	if net.ParseIP(host) == nil {
+		if _, err := net.LookupHost(host); err != nil {
 			return result, fmt.Errorf("无效域名或 IP：%v", err)
 		}
 	}
 
-	hostPort := net.JoinHostPort(target, "443")
+	hostPort := net.JoinHostPort(host, port)
 
 	// result := &SSLInfo{Target: target}
 
@@ -213,7 +244,7 @@ func CheckWebsite(target string) (*SSLInfo, error) {
 	defer conn.Close()
 
 	// 发送 HTTPS 请求检测状态
-	resp, err := http.Get("https://" + target)
+	resp, err := http.Get("https://" + hostPort)
 	if err != nil {
 		result.HTTPStatus = 0
 		result.HTTPStatusText = "异常"
diff --git a/backend/internal/siteMonitor/monitor_test.go b/backend/internal/siteMonitor/monitor_test.go
index a360309..b1ad0ff 100644
--- a/backend/internal/siteMonitor/monitor_test.go
+++ b/backend/internal/siteMonitor/monitor_test.go
@@ -6,7 +6,7 @@ import (
 )
 
 func Test(t *testing.T) {
-	site := "bt.cn" // 只传域名或 IP，不要 http://
+	site := "bt.cn:443" // 只传域名或 IP，不要 http://
 	result, err := CheckWebsite(site)
 	if err != nil {
 		fmt.Printf("❌ 检测失败: %v\n", err)
diff --git a/frontend/apps/allin-ssl/src/views/monitor/useController.tsx b/frontend/apps/allin-ssl/src/views/monitor/useController.tsx
index a5e7198..296835e 100644
--- a/frontend/apps/allin-ssl/src/views/monitor/useController.tsx
+++ b/frontend/apps/allin-ssl/src/views/monitor/useController.tsx
@@ -14,7 +14,7 @@ import {
 	useLoadingMask,
 } from '@baota/naive-ui/hooks'
 import { useError } from '@baota/hooks/error'
-import { isDomain } from '@baota/utils/business'
+import { isDomain, isIp, isPort } from '@baota/utils/business'
 import { $t } from '@locales/index'
 
 // Store和组件
@@ -335,6 +335,61 @@ export const useMonitorFormController = (data: UpdateSiteMonitorParams | null =
 		}),
 	])
 
+	/**
+	 * 验证输入是否合法域名或 IP 地址
+	 */
+	function isValidHost(host: string): boolean {
+		if (!host?.trim()) return false;
+
+		const trimmedHost = host.trim();
+		let hostPart: string;
+		let portPart: string | undefined;
+
+		// 分离主机和端口部分
+		if (trimmedHost.startsWith('[')) {
+			// IPv6 地址（可能带端口）
+			const closingBracketIndex = trimmedHost.indexOf(']');
+			// 缺少闭合括号
+			if (closingBracketIndex === -1) {
+ 				return false; 
+			}
+			// 去掉 []
+			hostPart = trimmedHost.slice(1, closingBracketIndex); 
+			const rest = trimmedHost.slice(closingBracketIndex + 1);
+			
+			// 检查剩余部分（只能是 :端口 或空）
+			if (rest) {
+				 // 非端口部分
+				if (!rest.startsWith(':')) {
+					return false;
+				}
+				portPart = rest.slice(1);
+			}
+		} else {
+			// IPv4 或域名（可能带端口）
+			const lastColonIndex = trimmedHost.lastIndexOf(':');
+			if (lastColonIndex !== -1) {
+				hostPart = trimmedHost.slice(0, lastColonIndex);
+				portPart = trimmedHost.slice(lastColonIndex + 1);
+			} else {
+				hostPart = trimmedHost;
+			}
+		}
+		
+		// 检查主机部分（IPv4/IPv6/域名）
+		const isHostValid = isIp(hostPart) || isDomain(hostPart);
+		if (!isHostValid) {
+			return false;
+		}
+
+		// 检查端口部分
+		if (portPart !== undefined) {
+			return isPort(portPart);
+		}
+
+		return true;
+	}
+
 	/**
 	 * 表单验证规则
 	 */
@@ -345,7 +400,7 @@ export const useMonitorFormController = (data: UpdateSiteMonitorParams | null =
 			message: '请输入正确的域名',
 			trigger: 'input',
 			validator: (rule: any, value: any, callback: any) => {
-				if (!isDomain(value)) {
+				if (!isValidHost(value)) {
 					callback(new Error('请输入正确的域名'))
 				} else {
 					callback()