diff --git a/utils/gen.go b/utils/gen.go
index 6e72e27..25c36ee 100644
--- a/utils/gen.go
+++ b/utils/gen.go
@@ -3,6 +3,7 @@ package utils
 import (
 	"fmt"
 	"math/rand"
+	"strings"
 	"time"
 	
 	"github.com/spf13/cast"
@@ -61,4 +62,154 @@ func (this *GenClass) SerialNo(prefix any, length int) string {
 	}
 	
 	return serialNo
+}
+
+// IP 生成随机公网IP地址
+// 排除内网、保留地址等非公网IP范围
+func (this *GenClass) IP() string {
+	
+	// 初始化随机数生成器
+	source := rand.New(rand.NewSource(time.Now().UnixNano()))
+	
+	var first, second, third, fourth int
+	
+	// 生成第一个字节，排除内网和特殊地址范围
+	for {
+		first = source.Intn(256)
+		// 排除内网地址段: 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
+		// 排除特殊地址段: 0.0.0.0/8, 127.0.0.0/8, 169.254.0.0/16, 192.0.0.0/24等
+		if !(first == 0 || first == 10 || first == 127 ||
+			(first >= 169 && first <= 171) || first == 172 ||
+			(first >= 192 && first <= 193)) {
+			break
+		}
+	}
+	
+	// 处理特殊情况的第一个字节
+	switch {
+	case first == 172:
+		// 172.16.0.0/12 是内网，所以第二个字节不能在16-31范围内
+		for {
+			second = source.Intn(256)
+			if second < 16 || second > 31 {
+				break
+			}
+		}
+	case first == 192:
+		// 192.168.0.0/16 是内网，所以第二个字节不能是168
+		for {
+			second = source.Intn(256)
+			if second != 168 {
+				break
+			}
+		}
+	default:
+		second = source.Intn(256)
+	}
+	
+	third  = source.Intn(256)
+	fourth = source.Intn(256)
+	
+	return fmt.Sprintf("%d.%d.%d.%d", first, second, third, fourth)
+}
+
+// UA 生成随机用户代理字符串
+func (this *GenClass) UA() string {
+	
+	// 初始化随机数生成器
+	source := rand.New(rand.NewSource(time.Now().UnixNano()))
+	
+	// 常见浏览器类型
+	browsers := []struct {
+		name       string
+		versions []string
+	}{
+		{"Chrome", []string{"91.0.4472.124", "92.0.4515.107", "93.0.4577.63", "94.0.4606.61", "95.0.4638.54", "96.0.4664.45", "97.0.4692.71"}},
+		{"Firefox", []string{"89.0", "90.0", "91.0", "92.0", "93.0", "94.0", "95.0"}},
+		{"Safari", []string{"14.1.2", "15.0", "15.1", "15.2", "15.3", "15.4"}},
+		{"Edge", []string{"91.0.864.59", "92.0.902.73", "93.0.961.38", "94.0.992.50", "95.0.1020.44"}},
+	}
+	
+	// 常见操作系统
+	osList := []struct {
+		name    string
+		version string
+	}{
+		{"Windows NT 11.0", "Win64; x64"},
+		{"Windows NT 10.0", "Win64; x64"},
+		{"Windows NT 6.1", "WOW64"},
+		{"Windows NT 6.3", "Win64; x64"},
+		{"Macintosh", "Intel Mac OS X 10_15_7"},
+		{"Macintosh", "Intel Mac OS X 12_0_1"},
+		{"X11", "Linux x86_64"},
+		{"iPhone", "CPU iPhone OS 15_0 like Mac OS X"},
+		{"iPad", "CPU OS 15_0 like Mac OS X"},
+	}
+	
+	// 随机选择浏览器
+	browser := browsers[source.Intn(len(browsers))]
+	browserVersion := browser.versions[source.Intn(len(browser.versions))]
+	
+	// 随机选择操作系统
+	osInfo := osList[source.Intn(len(osList))]
+	
+	// 构建UA字符串
+	var ua string
+	switch browser.name {
+	case "Chrome":
+		webkitVersion := fmt.Sprintf("537.%d.%d", source.Intn(10), source.Intn(10))
+		ua = fmt.Sprintf("Mozilla/5.0 (%s; %s) AppleWebKit/%s (KHTML, like Gecko) Chrome/%s Safari/%s", osInfo.name, osInfo.version, webkitVersion, browserVersion, webkitVersion)
+	case "Firefox":
+		geckoVersion  := fmt.Sprintf("20100101 Firefox/%s", browserVersion)
+		ua = fmt.Sprintf("Mozilla/5.0 (%s; %s; rv:%s) Gecko/%s", osInfo.name, osInfo.version, browserVersion, geckoVersion)
+	case "Safari":
+		webkitVersion := fmt.Sprintf("605.%d.%d", source.Intn(10), source.Intn(10))
+		safariVersion := browserVersion
+		ua = fmt.Sprintf("Mozilla/5.0 (%s; %s) AppleWebKit/%s (KHTML, like Gecko) Version/%s Safari/%s", osInfo.name, osInfo.version, webkitVersion, safariVersion, webkitVersion)
+	case "Edge":
+		webkitVersion := fmt.Sprintf("537.%d.%d", source.Intn(10), source.Intn(10))
+		edgeVersion   := browserVersion
+		ua = fmt.Sprintf("Mozilla/5.0 (%s; %s) AppleWebKit/%s (KHTML, like Gecko) Chrome/%s Safari/%s Edg/%s", osInfo.name, osInfo.version, webkitVersion, browserVersion, webkitVersion, edgeVersion)
+	}
+	
+	return ua
+}
+
+// Domain 生成随机域名
+func (this *GenClass) Domain() string {
+	
+	// 初始化随机数生成器
+	source := rand.New(rand.NewSource(time.Now().UnixNano()))
+	
+	// 常见域名前缀
+	prefixes := []string{
+		"apple", "banana", "cherry", "date", "elderberry", "fig", "grape",
+		"house", "car", "tree", "mountain", "river", "sun", "moon",
+		"happy", "quick", "slow", "smart", "brave", "calm", "daring",
+		"tech", "soft", "web", "net", "data", "info", "cloud",
+	}
+	
+	// 常见顶级域名
+	tlds := []string{
+		"com", "org", "net", "info", "biz", "co.uk", "de", "fr", "jp",
+		"us", "ca", "au", "io", "dev", "app", "shop", "site", "online",
+	}
+	
+	// 随机选择前缀数量（1-3个）
+	prefixCount := source.Intn(3) + 1
+	var parts []string
+	
+	for i := 0; i < prefixCount; i++ {
+		parts = append(parts, prefixes[source.Intn(len(prefixes))])
+	}
+	
+	// 随机选择是否添加数字
+	if source.Float64() < 0.3 { // 30%的概率添加数字
+		parts[len(parts)-1] += fmt.Sprintf("%d", source.Intn(100))
+	}
+	
+	// 组合前缀和顶级域名
+	domain := strings.Join(parts, "") + "." + tlds[source.Intn(len(tlds))]
+	
+	return domain
 }
\ No newline at end of file