diff --git a/client/client.go b/client/client.go
index f4304fcd..959402d4 100644
--- a/client/client.go
+++ b/client/client.go
@@ -177,6 +177,10 @@ func NewClientMd5(uin int64, passwordMd5 [16]byte) *QQClient {
 		version:                genVersionInfo(SystemDeviceInfo.Protocol),
 		servers:                []*net.TCPAddr{},
 	}
+	sso, err := getSSOAddress()
+	if err == nil && len(sso) > 0 {
+		cli.servers = append(sso, cli.servers...)
+	}
 	adds, err := net.LookupIP("msfwifi.3g.qq.com") // host servers
 	if err == nil && len(adds) > 0 {
 		var hostAddrs []*net.TCPAddr
@@ -185,13 +189,10 @@ func NewClientMd5(uin int64, passwordMd5 [16]byte) *QQClient {
 				IP:   addr,
 				Port: 8080,
 			})
+			break // 第一个就好23333
 		}
 		cli.servers = append(hostAddrs, cli.servers...)
 	}
-	sso, err := getSSOAddress()
-	if err == nil && len(sso) > 0 {
-		cli.servers = append(sso, cli.servers...)
-	}
 	if len(cli.servers) == 0 {
 		cli.servers = []*net.TCPAddr{ // default servers
 			{IP: net.IP{42, 81, 172, 81}, Port: 80},
diff --git a/client/entities.go b/client/entities.go
index d4f10c56..0f930073 100644
--- a/client/entities.go
+++ b/client/entities.go
@@ -252,6 +252,7 @@ const (
 	AndroidPhone ClientProtocol = 1
 	IPad         ClientProtocol = 2
 	AndroidWatch ClientProtocol = 3
+	MacOS        ClientProtocol = 4
 )
 
 func (g *GroupInfo) UpdateName(newName string) {
diff --git a/client/global.go b/client/global.go
index d6f12a69..c0157988 100644
--- a/client/global.go
+++ b/client/global.go
@@ -184,6 +184,19 @@ func genVersionInfo(p ClientProtocol) *versionInfo {
 			SubSigmap:       66560,
 			MainSigMap:      1970400,
 		}
+	case MacOS:
+		return &versionInfo{
+			ApkId:           "com.tencent.minihd.qq",
+			AppId:           537064315,
+			SortVersionName: "5.8.9",
+			BuildTime:       1595836208,
+			ApkSign:         []byte{170, 57, 120, 244, 31, 217, 111, 249, 145, 74, 102, 158, 24, 100, 116, 199},
+			SdkVersion:      "6.0.0.2433",
+			SSOVersion:      12,
+			MiscBitmap:      150470524,
+			SubSigmap:       66560,
+			MainSigMap:      1970400,
+		}
 	}
 	return nil
 }