diff --git a/common/flag.go b/common/flag.go
index 97a12af..d938178 100644
--- a/common/flag.go
+++ b/common/flag.go
@@ -63,6 +63,10 @@ var (
 	DownloadURL      string // 下载文件的URL
 	DownloadSavePath string // 下载文件保存路径
 	
+	// 发包频率控制相关变量
+	PacketRateLimit int64  // 每分钟最大发包次数 (0表示不限制)
+	MaxPacketCount  int64  // 整个程序最大发包总数 (0表示不限制)
+	
 	// Parse.go 使用的变量
 	HostPort   []string
 	URLs       []string
@@ -199,6 +203,12 @@ func Flag(Info *HostInfo) {
 	flag.BoolVar(&DisableBrute, "nobr", false, i18n.GetText("flag_disable_brute"))
 	flag.IntVar(&MaxRetries, "retry", 3, i18n.GetText("flag_max_retries"))
 
+	// ═════════════════════════════════════════════════
+	// 发包频率控制参数
+	// ═════════════════════════════════════════════════
+	flag.Int64Var(&PacketRateLimit, "rate", 0, i18n.GetText("flag_packet_rate_limit"))
+	flag.Int64Var(&MaxPacketCount, "maxpkts", 0, i18n.GetText("flag_max_packet_count"))
+
 	// ═════════════════════════════════════════════════
 	// 输出与显示控制参数
 	// ═════════════════════════════════════════════════
diff --git a/common/globals.go b/common/globals.go
index 7d35009..97ffe4a 100644
--- a/common/globals.go
+++ b/common/globals.go
@@ -1,6 +1,8 @@
 package common
 
 import (
+	"fmt"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -110,6 +112,11 @@ var (
 	UDPPacketCount int64 // UDP包数量
 	HTTPPacketCount int64 // HTTP请求数量
 	
+	// 发包频率控制变量
+	PacketRateStartTime int64 // 当前分钟的开始时间戳
+	PacketRateCurrentCount int64 // 当前分钟内的发包数量
+	PacketRateMutex sync.Mutex // 发包频率控制互斥锁
+	
 	// =============================================================================
 	// 初始化控制
 	// =============================================================================
@@ -256,4 +263,71 @@ func ResetPacketCounters() {
 	atomic.StoreInt64(&TCPFailedPacketCount, 0)
 	atomic.StoreInt64(&UDPPacketCount, 0)
 	atomic.StoreInt64(&HTTPPacketCount, 0)
+}
+
+// =============================================================================
+// 发包频率控制功能
+// =============================================================================
+
+// CanSendPacket 检查是否可以发包 - 同时检查频率限制和总数限制
+// 返回值: (可以发包, 错误信息)
+func CanSendPacket() (bool, string) {
+	// 检查总数限制
+	if MaxPacketCount > 0 {
+		currentTotal := atomic.LoadInt64(&PacketCount)
+		if currentTotal >= MaxPacketCount {
+			return false, fmt.Sprintf("已达到最大发包数量限制: %d", MaxPacketCount)
+		}
+	}
+	
+	// 检查频率限制
+	if PacketRateLimit > 0 {
+		PacketRateMutex.Lock()
+		defer PacketRateMutex.Unlock()
+		
+		currentTime := time.Now().Unix() / 60 // 当前分钟
+		
+		// 如果是新的分钟，重置计数器
+		if PacketRateStartTime != currentTime {
+			PacketRateStartTime = currentTime
+			atomic.StoreInt64(&PacketRateCurrentCount, 0)
+		}
+		
+		// 检查当前分钟的发包数是否超限
+		currentCount := atomic.LoadInt64(&PacketRateCurrentCount)
+		if currentCount >= PacketRateLimit {
+			return false, fmt.Sprintf("已达到每分钟发包频率限制: %d", PacketRateLimit)
+		}
+		
+		// 增加当前分钟的发包计数
+		atomic.AddInt64(&PacketRateCurrentCount, 1)
+	}
+	
+	return true, ""
+}
+
+// WaitForPacketLimit 等待直到可以发包 - 智能等待策略
+func WaitForPacketLimit() error {
+	maxWaitTime := 60 * time.Second // 最大等待1分钟
+	startWait := time.Now()
+	
+	for {
+		canSend, reason := CanSendPacket()
+		if canSend {
+			return nil
+		}
+		
+		// 如果是总数限制，直接返回错误
+		if MaxPacketCount > 0 && strings.Contains(reason, "最大发包数量") {
+			return fmt.Errorf(reason)
+		}
+		
+		// 如果等待超时，返回错误
+		if time.Since(startWait) > maxWaitTime {
+			return fmt.Errorf("等待发包权限超时: %s", reason)
+		}
+		
+		// 短暂休眠后重试
+		time.Sleep(100 * time.Millisecond)
+	}
 }
\ No newline at end of file
diff --git a/common/i18n/messages/flag.go b/common/i18n/messages/flag.go
index 0e42ccc..1aaa567 100644
--- a/common/i18n/messages/flag.go
+++ b/common/i18n/messages/flag.go
@@ -187,6 +187,14 @@ var FlagMessages = map[string]map[string]string{
 		LangZH: "最大重试次数",
 		LangEN: "Maximum retries",
 	},
+	"flag_packet_rate_limit": {
+		LangZH: "每分钟最大发包次数 (0表示不限制)",
+		LangEN: "Maximum packets per minute (0 means no limit)",
+	},
+	"flag_max_packet_count": {
+		LangZH: "整个程序最大发包总数 (0表示不限制)",
+		LangEN: "Maximum total packet count for entire program (0 means no limit)",
+	},
 	"flag_output_file": {
 		LangZH: "输出文件",
 		LangEN: "Output file",
diff --git a/core/PortScan.go b/core/PortScan.go
index a0a5a2e..6945e3f 100644
--- a/core/PortScan.go
+++ b/core/PortScan.go
@@ -77,6 +77,12 @@ func EnhancedPortScan(hosts []string, ports string, timeout int64) []string {
 					common.UpdateProgressBar(1)
 				}()
 
+				// 检查发包限制
+				if canSend, reason := common.CanSendPacket(); !canSend {
+					common.LogError(fmt.Sprintf("端口扫描 %s 受限: %s", addr, reason))
+					return nil
+				}
+				
 				// 连接测试 - 支持SOCKS5代理
 				conn, err := common.WrapperTcpWithTimeout("tcp", addr, to)
 				
diff --git a/core/WebDetection.go b/core/WebDetection.go
index a2bb6a0..f26791b 100644
--- a/core/WebDetection.go
+++ b/core/WebDetection.go
@@ -253,6 +253,12 @@ func (w *WebPortDetector) tryHTTPConnectionDirect(ctx context.Context, host stri
 	req.Header.Set("User-Agent", "fscan-web-detector/2.2")
 	req.Header.Set("Accept", "*/*")
 
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("HTTP请求 %s 受限: %s", req.URL.String(), reason))
+		return false
+	}
+
 	resp, err := client.Do(req)
 	
 	if err != nil {
diff --git a/plugins/services/redis.go b/plugins/services/redis.go
index 22e49ae..6ce9c3f 100644
--- a/plugins/services/redis.go
+++ b/plugins/services/redis.go
@@ -121,6 +121,12 @@ func (p *RedisPlugin) testCredential(ctx context.Context, info *common.HostInfo,
 		err  error
 	}
 
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("Redis连接 %s 受限: %s", target, reason))
+		return nil
+	}
+
 	connChan := make(chan connResult, 1)
 
 	go func() {
@@ -355,6 +361,16 @@ func (p *RedisPlugin) identifyService(ctx context.Context, info *common.HostInfo
 	target := fmt.Sprintf("%s:%s", info.Host, info.Ports)
 	timeout := time.Duration(common.Timeout) * time.Second
 
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("Redis服务识别 %s 受限: %s", target, reason))
+		return &ScanResult{
+			Success: false,
+			Service: "redis",
+			Error:   fmt.Errorf("发包受限: %s", reason),
+		}
+	}
+
 	// 尝试连接Redis服务
 	conn, err := net.DialTimeout("tcp", target, timeout)
 	if err != nil {
diff --git a/plugins/services/snmp.go b/plugins/services/snmp.go
index 2232678..15788a0 100644
--- a/plugins/services/snmp.go
+++ b/plugins/services/snmp.go
@@ -62,6 +62,12 @@ func (p *SNMPPlugin) Scan(ctx context.Context, info *common.HostInfo) *ScanResul
 func (p *SNMPPlugin) testCredential(ctx context.Context, info *common.HostInfo, cred Credential) bool {
 	target := fmt.Sprintf("%s:%s", info.Host, info.Ports)
 	
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("SNMP请求 %s 受限: %s", target, reason))
+		return false
+	}
+	
 	conn, err := net.DialTimeout("udp", target, time.Duration(common.Timeout)*time.Second)
 	if err != nil {
 		return false
diff --git a/plugins/services/ssh.go b/plugins/services/ssh.go
index 3bf5c1a..7e05389 100644
--- a/plugins/services/ssh.go
+++ b/plugins/services/ssh.go
@@ -164,6 +164,12 @@ func (p *SSHPlugin) testCredential(ctx context.Context, info *common.HostInfo, c
 		err    error
 	}
 
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("SSH连接 %s 受限: %s", target, reason))
+		return nil
+	}
+
 	resultChan := make(chan sshResult, 1)
 	go func() {
 		client, err := ssh.Dial("tcp", target, config)
@@ -201,6 +207,16 @@ func (p *SSHPlugin) executeCommand(client *ssh.Client, cmd string) (string, erro
 func (p *SSHPlugin) identifyService(info *common.HostInfo) *ScanResult {
 	target := fmt.Sprintf("%s:%s", info.Host, info.Ports)
 
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("SSH服务识别 %s 受限: %s", target, reason))
+		return &ScanResult{
+			Success: false,
+			Service: "ssh",
+			Error:   fmt.Errorf("发包受限: %s", reason),
+		}
+	}
+
 	// 尝试连接获取SSH Banner
 	conn, err := common.WrapperTcpWithTimeout("tcp", target, time.Duration(common.Timeout)*time.Second)
 	if err != nil {
diff --git a/webscan/lib/Eval.go b/webscan/lib/Eval.go
index d61801c..95a0043 100644
--- a/webscan/lib/Eval.go
+++ b/webscan/lib/Eval.go
@@ -675,6 +675,12 @@ func DoRequest(req *http.Request, redirect bool) (*Response, error) {
 	}
 
 	// 执行请求
+	// 检查发包限制
+	if canSend, reason := common.CanSendPacket(); !canSend {
+		common.LogError(fmt.Sprintf("POC HTTP请求 %s 受限: %s", req.URL.String(), reason))
+		return nil, fmt.Errorf("发包受限: %s", reason)
+	}
+
 	var (
 		oResp *http.Response
 		err   error