From 03520e0d6faeeba60d852033bb9232454912f9ca Mon Sep 17 00:00:00 2001
From: yaling888 <73897884+yaling888@users.noreply.github.com>
Date: Wed, 18 Jan 2023 16:58:03 +0800
Subject: [PATCH] Fix: dns api panic on disable dns section (#2498)

---
 hub/route/dns.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hub/route/dns.go b/hub/route/dns.go
index c02db022..2918b059 100644
--- a/hub/route/dns.go
+++ b/hub/route/dns.go
@@ -20,6 +20,12 @@ func dnsRouter() http.Handler {
 }
 
 func queryDNS(w http.ResponseWriter, r *http.Request) {
+	if resolver.DefaultResolver == nil {
+		render.Status(r, http.StatusInternalServerError)
+		render.JSON(w, r, newError("DNS section is disabled"))
+		return
+	}
+
 	name := r.URL.Query().Get("name")
 	qTypeStr, _ := lo.Coalesce(r.URL.Query().Get("type"), "A")