Merge pull request #177 from axfinn/fix/nat_0614

fix: 修复nat参数指定stun服务错误问题

cmd/npc/npc.go

@@ -1,23 +1,24 @@
 package main
 
 import (
+	"flag"
+	"fmt"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+	"sync"
+	"time"
+
 	"ehang.io/nps/client"
 	"ehang.io/nps/lib/common"
 	"ehang.io/nps/lib/config"
 	"ehang.io/nps/lib/file"
 	"ehang.io/nps/lib/install"
 	"ehang.io/nps/lib/version"
-	"flag"
-	"fmt"
 	"github.com/astaxie/beego/logs"
 	"github.com/ccding/go-stun/stun"
 	"github.com/kardianos/service"
-	"os"
-	"os/exec"
-	"runtime"
-	"strings"
-	"sync"
-	"time"
 )
 
 var (
@@ -116,6 +117,7 @@ func main() {
 			return
 		case "nat":
 			c := stun.NewClient()
+			flag.CommandLine.Parse(os.Args[2:])
 			c.SetServerAddr(*stunAddr)
 			nat, host, err := c.Discover()
 			if err != nil || host == nil {