From be19831cb601d945ce1bde713ff0c87f2604202d Mon Sep 17 00:00:00 2001
From: "weizhong.twz" <weizhong.twz@alibaba-inc.com>
Date: Thu, 7 Jan 2021 15:39:30 +0800
Subject: [PATCH] fix resp

---
 primitive/nsresolver.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/primitive/nsresolver.go b/primitive/nsresolver.go
index f57d13b3..4e5917c8 100644
--- a/primitive/nsresolver.go
+++ b/primitive/nsresolver.go
@@ -130,12 +130,15 @@ func (h *HttpResolver) Description() string {
 
 func (h *HttpResolver) get() []string {
 	resp, err := h.cli.Get(h.domain)
-	if err != nil || resp.StatusCode != 200 {
-		rlog.Error("name server http fetch failed", map[string]interface{}{
+	if err != nil || resp == nil || resp.StatusCode != 200 {
+		data := map[string]interface{}{
 			"NameServerDomain": h.domain,
-			"StatusCode":       resp.StatusCode,
 			"err":              err,
-		})
+		}
+		if resp != nil {
+			data["StatusCode"] = resp.StatusCode
+		}
+		rlog.Error("name server http fetch failed", data)
 		return nil
 	}