diff --git a/cmd/webscan.go b/cmd/webscan.go
index d31e77d..338024f 100644
--- a/cmd/webscan.go
+++ b/cmd/webscan.go
@@ -107,6 +107,8 @@ func webScanCmdInit() {
     webScanCmd.Flags().StringSliceVar(&Poc, "poc", nil, "specify the nuclei poc to run, separated by ','(example: test.yml,./test/*).\r\n自定义的nuclei 漏洞模板地址")
     webScanCmd.Flags().StringVarP(&craw, "craw", "c", "k", "Select crawler:c or k or kh. (c:Crawlergo, k:Katana Standard Mode(default), kh:(Katana Headless Mode))\r\n选择哪一个爬虫，c:Crawlergo, k:Katana 标准模式(default),kh: Katana无头模式")
     
+    webScanCmd.Flags().BoolVar(&conf.GlobalConfig.NoPortScan, "nps", false, "No port scanning(false).\r\n不进行端口扫描就不会检测 nmap、masscan 是否存在，默认 false")
+    
     // 被动监听，收集流量 Security Copilot mode
     webScanCmd.Flags().StringVar(&conf.GlobalConfig.Passive.ProxyPort, "listen", "", "use proxy resource collector, value is proxy addr, (example: 127.0.0.1:9080).\r\n被动模式监听的代理地址，默认 127.0.0.1:9080")
     webScanCmd.Flags().StringVar(&conf.GlobalConfig.Passive.WebPort, "web", "9088", "Security Copilot web report port, (example: 9088)].\r\nweb页面端口，默认9088")
diff --git a/conf/envCheck.go b/conf/envCheck.go
index e7dae9a..45c931c 100644
--- a/conf/envCheck.go
+++ b/conf/envCheck.go
@@ -16,18 +16,21 @@ import (
 var ChromePath string
 
 func Preparations() {
-    // 检查 nmap 是否已安装
-    nmapInstalled := commandExists("nmap")
-    if !nmapInstalled {
-        fmt.Println("nmap does not follow, please install")
-        os.Exit(1)
-    }
-    
-    // 检查 masscan 是否已安装
-    masscanInstalled := commandExists("masscan")
-    if !masscanInstalled {
-        fmt.Println("masscan does not follow, please install")
-        os.Exit(1)
+    if GlobalConfig.NoPortScan { // 不进行端口扫描时，不检查这些
+        Plugin["portScan"] = false
+        // 检查 nmap 是否已安装
+        nmapInstalled := commandExists("nmap")
+        if !nmapInstalled {
+            fmt.Println("nmap not found, please install")
+            os.Exit(1)
+        }
+        
+        // 检查 masscan 是否已安装
+        masscanInstalled := commandExists("masscan")
+        if !masscanInstalled {
+            fmt.Println("masscan not found, please install")
+            os.Exit(1)
+        }
     }
     
     if GlobalConfig.WebScan.Craw == "c" {
diff --git a/conf/type.go b/conf/type.go
index 9f7cad7..7d9c04e 100644
--- a/conf/type.go
+++ b/conf/type.go
@@ -13,6 +13,7 @@ type Config struct {
     Http       Http       `json:"http"`
     Plugins    Plugins    `json:"plugins"`
     WebScan    WebScan    `json:"webScan"`
+    NoPortScan bool       `json:"no_port_scan"`
     Reverse    Reverse    `json:"reverse"`
     SqlmapApi  Sqlmap     `json:"sqlmapApi"`
     Mitmproxy  Mitmproxy  `json:"mitmproxy"`
diff --git a/go.mod b/go.mod
index 6c3712e..6653464 100644
--- a/go.mod
+++ b/go.mod
@@ -337,7 +337,7 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/syndtr/goleveldb v1.0.0 // indirect
-	github.com/tetratelabs/wazero v1.7.0 // indirect
+	github.com/tetratelabs/wazero v1.7.1 // indirect
 	github.com/tidwall/btree v1.7.0 // indirect
 	github.com/tidwall/buntdb v1.3.0 // indirect
 	github.com/tidwall/gjson v1.17.1 // indirect
diff --git a/go.sum b/go.sum
index ed5196e..77aa0c4 100644
--- a/go.sum
+++ b/go.sum
@@ -1205,6 +1205,8 @@ github.com/tebeka/strftime v0.1.3 h1:5HQXOqWKYRFfNyBMNVc9z5+QzuBtIXy03psIhtdJYto
 github.com/tebeka/strftime v0.1.3/go.mod h1:7wJm3dZlpr4l/oVK0t1HYIc4rMzQ2XJlOMIUJUJH6XQ=
 github.com/tetratelabs/wazero v1.7.0 h1:jg5qPydno59wqjpGrHph81lbtHzTrWzwwtD4cD88+hQ=
 github.com/tetratelabs/wazero v1.7.0/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
+github.com/tetratelabs/wazero v1.7.1 h1:QtSfd6KLc41DIMpDYlJdoMc6k7QTN246DM2+n2Y/Dx8=
+github.com/tetratelabs/wazero v1.7.1/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
 github.com/thoas/go-funk v0.9.3 h1:7+nAEx3kn5ZJcnDm2Bh23N2yOtweO14bi//dvRtgLpw=
 github.com/thoas/go-funk v0.9.3/go.mod h1:+IWnUfUmFO1+WVYQWQtIJHeRRdaIyyYglZN7xzUPe4Q=
 github.com/tidwall/assert v0.1.0 h1:aWcKyRBUAdLoVebxo95N7+YZVTFF/ASTr7BN4sLP6XI=
diff --git a/pkg/mode/active.go b/pkg/mode/active.go
index e9d4f5e..1cab191 100644
--- a/pkg/mode/active.go
+++ b/pkg/mode/active.go
@@ -70,7 +70,7 @@ func Active(target string, fingerprint []string) ([]string, []string) {
     }
     
     t := &task.Task{
-        Parallelism: conf.Parallelism + 1,
+        Parallelism: conf.Parallelism,
         ScanTask:    make(map[string]*task.ScanTask),
     }