fix: 完善帮助信息国际化和参数验证机制

- 补充40+个缺失的flag参数翻译，实现完整中英文帮助信息
- 优化语言预处理机制，确保帮助信息生成前语言设置生效
- 新增智能帮助显示逻辑，无目标时自动显示帮助而非执行扫描
- 添加-help参数支持显式帮助请求
- 改善用户体验，避免误导性的默认扫描行为

Common/Flag.go

@@ -126,6 +126,9 @@ func Banner() {
 func Flag(Info *HostInfo) {
 	Banner()
 
+	// 预处理语言设置 - 在定义flag之前检查lang参数
+	preProcessLanguage()
+
 	// ═════════════════════════════════════════════════
 	// 目标配置参数
 	// ═════════════════════════════════════════════════
@@ -219,11 +222,21 @@ func Flag(Info *HostInfo) {
 	flag.StringVar(&Shellcode, "sc", "", GetText("flag_shellcode"))
 	flag.StringVar(&Language, "lang", "zh", GetText("flag_language"))
 
+	// 帮助参数
+	var showHelp bool
+	flag.BoolVar(&showHelp, "help", false, GetText("flag_help"))
+
 	// 解析命令行参数
 	parseCommandLineArgs()
 
 	// 设置语言
 	SetLanguage(Language)
+
+	// 如果显示帮助或者没有提供目标，显示帮助信息并退出
+	if showHelp || shouldShowHelp(Info) {
+		flag.Usage()
+		os.Exit(0)
+	}
 }
 
 // parseCommandLineArgs 处理来自环境变量和命令行的参数
@@ -284,3 +297,45 @@ func parseEnvironmentArgs(argsString string) ([]string, error) {
 
 	return args, nil
 }
+
+// preProcessLanguage 预处理语言参数，在定义flag之前设置语言
+func preProcessLanguage() {
+	// 遍历命令行参数查找-lang参数
+	for i, arg := range os.Args {
+		if arg == "-lang" && i+1 < len(os.Args) {
+			lang := os.Args[i+1]
+			if lang == "en" || lang == "zh" {
+				Language = lang
+				SetLanguage(lang)
+				return
+			}
+		} else if strings.HasPrefix(arg, "-lang=") {
+			lang := strings.TrimPrefix(arg, "-lang=")
+			if lang == "en" || lang == "zh" {
+				Language = lang
+				SetLanguage(lang)
+				return
+			}
+		}
+	}
+	
+	// 检查环境变量
+	envLang := os.Getenv("FS_LANG")
+	if envLang == "en" || envLang == "zh" {
+		Language = envLang
+		SetLanguage(envLang)
+	}
+}
+
+// shouldShowHelp 检查是否应该显示帮助信息
+func shouldShowHelp(Info *HostInfo) bool {
+	// 检查是否提供了扫描目标
+	hasTarget := Info.Host != "" || TargetURL != "" || LocalMode
+	
+	// 如果没有提供任何扫描目标，则显示帮助
+	if !hasTarget {
+		return true
+	}
+	
+	return false
+}

Common/i18n/messages.go

@@ -516,6 +516,14 @@ var coreMessages = map[string]map[string]string{
 		LangZH: "排除端口",
 		LangEN: "Exclude ports",
 	},
+	"flag_hosts_file": {
+		LangZH: "主机文件",
+		LangEN: "Hosts file",
+	},
+	"flag_ports_file": {
+		LangZH: "端口文件",
+		LangEN: "Ports file",
+	},
 	"flag_scan_mode": {
 		LangZH: "扫描模式: all, portscan, tcpscan, udpscan等",
 		LangEN: "Scan mode: all, portscan, tcpscan, udpscan, etc.",
@@ -528,6 +536,34 @@ var coreMessages = map[string]map[string]string{
 		LangZH: "端口扫描超时时间",
 		LangEN: "Port scan timeout",
 	},
+	"flag_module_thread_num": {
+		LangZH: "模块线程数",
+		LangEN: "Module thread count",
+	},
+	"flag_global_timeout": {
+		LangZH: "全局超时时间",
+		LangEN: "Global timeout",
+	},
+	"flag_live_top": {
+		LangZH: "存活主机显示数量",
+		LangEN: "Live hosts display count",
+	},
+	"flag_disable_ping": {
+		LangZH: "禁用ping探测",
+		LangEN: "Disable ping detection",
+	},
+	"flag_use_ping": {
+		LangZH: "启用ping探测",
+		LangEN: "Enable ping detection",
+	},
+	"flag_enable_fingerprint": {
+		LangZH: "启用指纹识别",
+		LangEN: "Enable fingerprinting",
+	},
+	"flag_local_mode": {
+		LangZH: "本地扫描模式",
+		LangEN: "Local scan mode",
+	},
 	"flag_username": {
 		LangZH: "用户名",
 		LangEN: "Username",
@@ -536,19 +572,119 @@ var coreMessages = map[string]map[string]string{
 		LangZH: "密码",
 		LangEN: "Password",
 	},
+	"flag_add_users": {
+		LangZH: "额外用户名",
+		LangEN: "Additional usernames",
+	},
+	"flag_add_passwords": {
+		LangZH: "额外密码",
+		LangEN: "Additional passwords",
+	},
+	"flag_users_file": {
+		LangZH: "用户名字典文件",
+		LangEN: "Username dictionary file",
+	},
+	"flag_passwords_file": {
+		LangZH: "密码字典文件",
+		LangEN: "Password dictionary file",
+	},
+	"flag_hash_file": {
+		LangZH: "哈希文件",
+		LangEN: "Hash file",
+	},
+	"flag_hash_value": {
+		LangZH: "哈希值",
+		LangEN: "Hash value",
+	},
+	"flag_domain": {
+		LangZH: "域名",
+		LangEN: "Domain name",
+	},
+	"flag_ssh_key": {
+		LangZH: "SSH私钥文件",
+		LangEN: "SSH private key file",
+	},
 	"flag_target_url": {
 		LangZH: "目标URL",
 		LangEN: "Target URL",
 	},
-	"flag_proxy": {
+	"flag_urls_file": {
+		LangZH: "URL文件",
+		LangEN: "URLs file",
+	},
+	"flag_cookie": {
+		LangZH: "HTTP Cookie",
+		LangEN: "HTTP Cookie",
+	},
+	"flag_web_timeout": {
+		LangZH: "Web超时时间",
+		LangEN: "Web timeout",
+	},
+	"flag_http_proxy": {
 		LangZH: "HTTP代理",
 		LangEN: "HTTP proxy",
 	},
-	"flag_socks5": {
+	"flag_socks5_proxy": {
 		LangZH: "SOCKS5代理",
 		LangEN: "SOCKS5 proxy",
 	},
-	"flag_outputfile": {
+	"flag_poc_path": {
+		LangZH: "POC脚本路径",
+		LangEN: "POC script path",
+	},
+	"flag_poc_name": {
+		LangZH: "POC名称",
+		LangEN: "POC name",
+	},
+	"flag_poc_full": {
+		LangZH: "全量POC扫描",
+		LangEN: "Full POC scan",
+	},
+	"flag_dns_log": {
+		LangZH: "DNS日志记录",
+		LangEN: "DNS logging",
+	},
+	"flag_poc_num": {
+		LangZH: "POC并发数",
+		LangEN: "POC concurrency",
+	},
+	"flag_no_poc": {
+		LangZH: "禁用POC扫描",
+		LangEN: "Disable POC scan",
+	},
+	"flag_redis_file": {
+		LangZH: "Redis文件",
+		LangEN: "Redis file",
+	},
+	"flag_redis_shell": {
+		LangZH: "Redis Shell",
+		LangEN: "Redis Shell",
+	},
+	"flag_disable_redis": {
+		LangZH: "禁用Redis扫描",
+		LangEN: "Disable Redis scan",
+	},
+	"flag_redis_write_path": {
+		LangZH: "Redis写入路径",
+		LangEN: "Redis write path",
+	},
+	"flag_redis_write_content": {
+		LangZH: "Redis写入内容",
+		LangEN: "Redis write content",
+	},
+	"flag_redis_write_file": {
+		LangZH: "Redis写入文件",
+		LangEN: "Redis write file",
+	},
+	"flag_disable_brute": {
+		LangZH: "禁用暴力破解",
+		LangEN: "Disable brute force",
+	},
+	"flag_max_retries": {
+		LangZH: "最大重试次数",
+		LangEN: "Maximum retries",
+	},
+	"flag_output_file": {
 		LangZH: "输出文件",
 		LangEN: "Output file",
 	},
@@ -556,13 +692,37 @@ var coreMessages = map[string]map[string]string{
 		LangZH: "输出格式: txt, json, csv",
 		LangEN: "Output format: txt, json, csv",
 	},
+	"flag_disable_save": {
+		LangZH: "禁用结果保存",
+		LangEN: "Disable result saving",
+	},
+	"flag_silent_mode": {
+		LangZH: "静默模式",
+		LangEN: "Silent mode",
+	},
 	"flag_no_color": {
 		LangZH: "禁用颜色输出",
 		LangEN: "Disable color output",
 	},
-	"flag_silent": {
+	"flag_log_level": {
-		LangZH: "静默模式",
+		LangZH: "日志级别",
-		LangEN: "Silent mode",
+		LangEN: "Log level",
+	},
+	"flag_show_progress": {
+		LangZH: "显示进度",
+		LangEN: "Show progress",
+	},
+	"flag_show_scan_plan": {
+		LangZH: "显示扫描计划",
+		LangEN: "Show scan plan",
+	},
+	"flag_slow_log_output": {
+		LangZH: "慢速日志输出",
+		LangEN: "Slow log output",
+	},
+	"flag_shellcode": {
+		LangZH: "Shellcode",
+		LangEN: "Shellcode",
 	},
 	"flag_language": {
 		LangZH: "语言: zh, en",