feat: enhance port scanning with HTTP check for common web ports

pkg/stage/port.go

@@ -3,17 +3,40 @@ package stage
 import (
 	"fmt"
 	"net"
+	"net/http"
 	"time"
 )
 
 func ScanTCPPort(ip string, port int) bool {
 	target := fmt.Sprintf("%s:%d", ip, port)
 	conn, err := net.DialTimeout("tcp", target, 2*time.Second)
+	if err == nil {
+		defer conn.Close()
+		return true
+	}
+
+	// 检查是否是常见的 HTTP 端口
+	commonHTTPPorts := []int{80, 443, 8080, 8443, 4000, 8000, 8888}
+	for _, httpPort := range commonHTTPPorts {
+		if port == httpPort {
+			return ScanHTTPPort(ip, port)
+		}
+	}
+
+	return false
+}
+
+func ScanHTTPPort(ip string, port int) bool {
+	target := fmt.Sprintf("http://%s:%d", ip, port)
+	client := &http.Client{
+		Timeout: 2 * time.Second,
+	}
+
+	resp, err := client.Head(target)
 	if err != nil {
-		fmt.Println(err)
 		return false
 	}
-	defer conn.Close()
+	defer resp.Body.Close()
 	return true
 }