diff --git a/FastGithub.ReverseProxy/DomainResolver.cs b/FastGithub.ReverseProxy/DomainResolver.cs
index 514eb2b..31be4a1 100644
--- a/FastGithub.ReverseProxy/DomainResolver.cs
+++ b/FastGithub.ReverseProxy/DomainResolver.cs
@@ -35,8 +35,8 @@ namespace FastGithub.ReverseProxy
             this.options = options;
             this.logger = logger;
 
-            this.dnsClient = new DnsClient(options.CurrentValue.FastDns.ToIPEndPoint());
-            options.OnChange(opt => this.dnsClient = new DnsClient(opt.FastDns.ToIPEndPoint()));
+            this.dnsClient = new DnsClient(options.CurrentValue.PureDns.ToIPEndPoint());
+            options.OnChange(opt => this.dnsClient = new DnsClient(opt.PureDns.ToIPEndPoint()));
         }
 
         /// <summary>