diff --git a/core/BaseScanStrategy.go b/core/BaseScanStrategy.go
index c443d36..5fe078c 100644
--- a/core/BaseScanStrategy.go
+++ b/core/BaseScanStrategy.go
@@ -194,15 +194,15 @@ func (b *BaseScanStrategy) isLocalPlugin(pluginName string) bool {
 
 // isWebServicePort 使用智能检测判断端口是否运行Web服务（含预定义端口）
 func (b *BaseScanStrategy) isWebServicePort(host string, port int) bool {
-	// 创建Web端口检测器实例
-	detector := NewWebPortDetector()
+	// 使用全局单例Web端口检测器
+	detector := GetWebPortDetector()
 	return detector.IsWebService(host, port)
 }
 
 // isWebServicePortByProtocol 仅通过HTTP协议检测判断端口是否运行Web服务（不使用预定义端口列表）
 func (b *BaseScanStrategy) isWebServicePortByProtocol(host string, port int) bool {
-	// 创建Web端口检测器实例
-	detector := NewWebPortDetector()
+	// 使用全局单例Web端口检测器
+	detector := GetWebPortDetector()
 	// 直接调用协议检测，跳过预定义端口检查
 	return detector.DetectHTTPServiceOnly(host, port)
 }
diff --git a/core/WebDetection.go b/core/WebDetection.go
index 1494e36..8627aa2 100644
--- a/core/WebDetection.go
+++ b/core/WebDetection.go
@@ -25,12 +25,28 @@ type WebPortDetector struct {
 	httpsClient *http.Client
 	// 检测结果缓存（避免重复检测）
 	detectionCache map[string]bool
+	// 协议检测缓存（避免重复TCP连接）
+	protocolCache map[string]bool
 	// 缓存互斥锁
 	cacheMutex sync.RWMutex
 }
 
-// NewWebPortDetector 创建Web端口检测器
-func NewWebPortDetector() *WebPortDetector {
+var (
+	// 全局单例实例
+	webDetectorInstance *WebPortDetector
+	webDetectorOnce     sync.Once
+)
+
+// GetWebPortDetector 获取Web端口检测器单例
+func GetWebPortDetector() *WebPortDetector {
+	webDetectorOnce.Do(func() {
+		webDetectorInstance = newWebPortDetector()
+	})
+	return webDetectorInstance
+}
+
+// newWebPortDetector 创建Web端口检测器（私有方法）
+func newWebPortDetector() *WebPortDetector {
 	timeout := 3 * time.Second
 	
 	// 只保留最基本的Web端口用于快速路径优化
@@ -82,6 +98,7 @@ func NewWebPortDetector() *WebPortDetector {
 		httpClient:     httpClient,
 		httpsClient:    httpsClient,
 		detectionCache: make(map[string]bool),
+		protocolCache:  make(map[string]bool),
 	}
 }
 
@@ -350,6 +367,28 @@ func (w *WebPortDetector) isNonWebHTTPService(serverHeader, contentType string)
 
 // quickProtocolCheck 快速协议检查，避免向非HTTP服务发送HTTP请求
 func (w *WebPortDetector) quickProtocolCheck(ctx context.Context, host string, port int) bool {
+	// 检查协议缓存
+	protocolKey := fmt.Sprintf("%s:%d:protocol", host, port)
+	w.cacheMutex.RLock()
+	if cached, exists := w.protocolCache[protocolKey]; exists {
+		w.cacheMutex.RUnlock()
+		return cached
+	}
+	w.cacheMutex.RUnlock()
+
+	// 执行实际的协议检测
+	result := w.doProtocolCheck(ctx, host, port)
+	
+	// 缓存结果
+	w.cacheMutex.Lock()
+	w.protocolCache[protocolKey] = result
+	w.cacheMutex.Unlock()
+	
+	return result
+}
+
+// doProtocolCheck 执行实际的协议检测
+func (w *WebPortDetector) doProtocolCheck(ctx context.Context, host string, port int) bool {
 	// 建立TCP连接
 	conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", host, port), 2*time.Second)
 	if err != nil {
diff --git a/fscan-lite/main.o b/fscan-lite/main.o
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diff --git a/fscan-lite/platform.o b/fscan-lite/platform.o
new file mode 100644
index 0000000..540ca79
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diff --git a/fscan-lite/scanner.o b/fscan-lite/scanner.o
new file mode 100644
index 0000000..149790f
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