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 1/5] 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 2/5] 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)
 	}

From 6d3de81a582ff2d8e5b59bb66da8fd4871886aeb Mon Sep 17 00:00:00 2001
From: wuxingzhong <330332812@qq.com>
Date: Thu, 8 Aug 2019 16:13:39 +0800
Subject: [PATCH 3/5] judge if interface is up

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

diff --git a/pkg/net/ip/ip.go b/pkg/net/ip/ip.go
index 0966ccc5e..f9d572628 100644
--- a/pkg/net/ip/ip.go
+++ b/pkg/net/ip/ip.go
@@ -66,6 +66,7 @@ func InternalIP() string {
 		}
 	}
 	return ""
+
 }
 
 // isUp Interface is up

From 821da8a54f490a91ae7202074d569da86aeb50f1 Mon Sep 17 00:00:00 2001
From: wuxingzhong <330332812@qq.com>
Date: Tue, 7 Jan 2020 16:38:25 +0800
Subject: [PATCH 4/5] modify discovery

---
 pkg/naming/discovery/discovery.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/naming/discovery/discovery.go b/pkg/naming/discovery/discovery.go
index 088304d25..5b8c8c241 100644
--- a/pkg/naming/discovery/discovery.go
+++ b/pkg/naming/discovery/discovery.go
@@ -601,7 +601,9 @@ func (d *Discovery) polls(ctx context.Context) (apps map[string]*naming.Instance
 	}
 	if err = d.httpClient.Get(ctx, uri, "", params, res); err != nil {
 		d.switchNode()
-		log.Error("discovery: client.Get(%s) error(%+v)", uri+"?"+params.Encode(), err)
+		if ctx.Err() != context.Canceled {
+			log.Error("discovery: client.Get(%s) error(%+v)", uri+"?"+params.Encode(), err)
+		}
 		return
 	}
 	if ec := ecode.Int(res.Code); !ecode.Equal(ecode.OK, ec) {

From a5fd66410831a29d0bfea98666d9d8d8c276c586 Mon Sep 17 00:00:00 2001
From: wuxingzhong <330332812@qq.com>
Date: Tue, 7 Jan 2020 16:58:51 +0800
Subject: [PATCH 5/5] del space line

---
 pkg/net/ip/ip.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkg/net/ip/ip.go b/pkg/net/ip/ip.go
index f9d572628..0966ccc5e 100644
--- a/pkg/net/ip/ip.go
+++ b/pkg/net/ip/ip.go
@@ -66,7 +66,6 @@ func InternalIP() string {
 		}
 	}
 	return ""
-
 }
 
 // isUp Interface is up