From 8b1e2ba0fa733000dff446d6fe17b2ad00fe1943 Mon Sep 17 00:00:00 2001
From: wuxingzhong <330332812@qq.com>
Date: Thu, 8 Aug 2019 16:13:39 +0800
Subject: [PATCH 1/2] judge if interface is up

---
 pkg/net/ip/ip.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkg/net/ip/ip.go b/pkg/net/ip/ip.go
index 54e241d1a..386d7e23f 100644
--- a/pkg/net/ip/ip.go
+++ b/pkg/net/ip/ip.go
@@ -48,6 +48,9 @@ func InternalIP() string {
 		return ""
 	}
 	for _, inter := range inters {
+		if !isUp(inter.Flags) {
+			continue
+		}
 		if !strings.HasPrefix(inter.Name, "lo") {
 			addrs, err := inter.Addrs()
 			if err != nil {
@@ -64,3 +67,8 @@ func InternalIP() string {
 	}
 	return ""
 }
+
+// isUp Interface is up 
+func isUp(v net.Flags) bool {
+	 return v&net.FlagUp == net.FlagUp 
+}

From 443042feee2b924fcea3e6a8da888c4a4488c040 Mon Sep 17 00:00:00 2001
From: wuxingzhong <330332812@qq.com>
Date: Fri, 23 Aug 2019 14:58:57 +0800
Subject: [PATCH 2/2] modify log

---
 pkg/net/http/blademaster/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/net/http/blademaster/server.go b/pkg/net/http/blademaster/server.go
index f934dabcd..29b47f2eb 100644
--- a/pkg/net/http/blademaster/server.go
+++ b/pkg/net/http/blademaster/server.go
@@ -163,7 +163,7 @@ type injection struct {
 func NewServer(conf *ServerConfig) *Engine {
 	if conf == nil {
 		if !flag.Parsed() {
-			fmt.Fprint(os.Stderr, "[blademaster] please call flag.Parse() before Init warden server, some configure may not effect.\n")
+			fmt.Fprint(os.Stderr, "[blademaster] please call flag.Parse() before Init blademaster server, some configure may not effect.\n")
 		}
 		conf = parseDSN(_httpDSN)
 	}