diff --git a/Plugins/portscan.go b/Plugins/portscan.go
index f84f41c..36637d6 100644
--- a/Plugins/portscan.go
+++ b/Plugins/portscan.go
@@ -19,17 +19,20 @@ func PortScan(hostslist []string, ports string, timeout int64) []string {
 	probePorts := common.ParsePort(ports)
 	noPorts := common.ParsePort(common.NoPorts)
 	if len(noPorts) > 0 {
-		tmp := make(map[int]struct{})
 		var tmpPorts []int
 		for _, port := range probePorts {
+			var flag bool
+		nport:
 			for _, noport := range noPorts {
-				if port != noport {
-					if _, ok := tmp[port]; !ok {
-						tmp[port] = struct{}{}
-						tmpPorts = append(tmpPorts, port)
-					}
+				if port == noport {
+					flag = true
+					break nport
 				}
 			}
+			if flag {
+				continue
+			}
+			tmpPorts = append(tmpPorts, port)
 		}
 		probePorts = tmpPorts
 	}
@@ -73,7 +76,7 @@ func PortConnect(addr Addr, respondingHosts chan<- string, adjustedTimeout int64
 	host, port := addr.ip, addr.port
 	conn, err := net.DialTimeout("tcp4", fmt.Sprintf("%s:%v", host, port), time.Duration(adjustedTimeout)*time.Second)
 	defer func() {
-		if conn != nil{
+		if conn != nil {
 			conn.Close()
 		}
 	}()
diff --git a/common/Parse.go b/common/Parse.go
index 6e56fac..b57a0e7 100644
--- a/common/Parse.go
+++ b/common/Parse.go
@@ -136,6 +136,8 @@ func ParseScantype(Info *HostInfo) {
 				Info.Ports = "445"
 			case "cve20200796":
 				Info.Ports = "445"
+			case "portscan":
+				Info.Ports = DefaultPorts
 			case "main":
 				Info.Ports = DefaultPorts
 			default:
diff --git a/common/config.go b/common/config.go
index ac2d9c9..ef62973 100644
--- a/common/config.go
+++ b/common/config.go
@@ -37,7 +37,7 @@ var PORTList = map[string]int{
 
 var Outputfile = getpath() + "result.txt"
 var IsSave = true
-var Webport = "80,81,82,83,84,85,86,87,88,89,90,91,92,98,99,443,800,801,808,880,888,889,1000,1010,1080,1081,1082,1118,1888,2008,2020,2100,2375,3000,3008,3128,3505,5555,6080,6648,6868,7000,7001,7002,7003,7004,7005,7007,7008,7070,7071,7074,7078,7080,7088,7200,7680,7687,7688,7777,7890,8000,8001,8002,8003,8004,8006,8008,8009,8010,8011,8012,8016,8018,8020,8028,8030,8038,8042,8044,8046,8048,8053,8060,8069,8070,8080,8081,8082,8083,8084,8085,8086,8087,8088,8089,8090,8091,8092,8093,8094,8095,8096,8097,8098,8099,8100,8101,8108,8118,8161,8172,8180,8181,8200,8222,8244,8258,8280,8288,8300,8360,8443,8448,8484,8800,8834,8838,8848,8858,8868,8879,8880,8881,8888,8899,8983,8989,9000,9001,9002,9008,9010,9043,9060,9080,9081,9082,9083,9084,9085,9086,9087,9088,9089,9090,9091,9092,9093,9094,9095,9096,9097,9098,9099,9100,9200,9443,9448,9800,9981,9986,9988,9998,9999,10000,10001,10002,10004,10008,10010,12018,12443,14000,16080,18000,18001,18002,18004,18008,18080,18082,18088,18090,18098,19001,20000,20720,21000,21501,21502,28018"
+var Webport = "80,81,82,83,84,85,86,87,88,89,90,91,92,98,99,443,800,801,808,880,888,889,1000,1010,1080,1081,1082,1118,1888,2008,2020,2100,2375,2379,3000,3008,3128,3505,5555,6080,6648,6868,7000,7001,7002,7003,7004,7005,7007,7008,7070,7071,7074,7078,7080,7088,7200,7680,7687,7688,7777,7890,8000,8001,8002,8003,8004,8006,8008,8009,8010,8011,8012,8016,8018,8020,8028,8030,8038,8042,8044,8046,8048,8053,8060,8069,8070,8080,8081,8082,8083,8084,8085,8086,8087,8088,8089,8090,8091,8092,8093,8094,8095,8096,8097,8098,8099,8100,8101,8108,8118,8161,8172,8180,8181,8200,8222,8244,8258,8280,8288,8300,8360,8443,8448,8484,8800,8834,8838,8848,8858,8868,8879,8880,8881,8888,8899,8983,8989,9000,9001,9002,9008,9010,9043,9060,9080,9081,9082,9083,9084,9085,9086,9087,9088,9089,9090,9091,9092,9093,9094,9095,9096,9097,9098,9099,9100,9200,9443,9448,9800,9981,9986,9988,9998,9999,10000,10001,10002,10004,10008,10010,12018,12443,14000,16080,18000,18001,18002,18004,18008,18080,18082,18088,18090,18098,19001,20000,20720,21000,21501,21502,28018,20880"
 var DefaultPorts = "21,22,80,81,135,139,443,445,1433,3306,5432,6379,7001,8000,8080,8089,9000,9200,11211,27017"
 
 type HostInfo struct {