diff --git a/FastGithub.Dns/DnsOverUdpHostedService.cs b/FastGithub.Dns/DnsHostedService.cs
similarity index 79%
rename from FastGithub.Dns/DnsOverUdpHostedService.cs
rename to FastGithub.Dns/DnsHostedService.cs
index 13ec6b0..e9beb03 100644
--- a/FastGithub.Dns/DnsOverUdpHostedService.cs
+++ b/FastGithub.Dns/DnsHostedService.cs
@@ -1,7 +1,5 @@
-using FastGithub.Configuration;
-using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Options;
 using System;
 using System.Collections.Generic;
 using System.Net;
@@ -13,30 +11,26 @@ namespace FastGithub.Dns
     /// <summary>
     /// dns后台服务
     /// </summary>
-    sealed class DnsOverUdpHostedService : BackgroundService
+    sealed class DnsHostedService : BackgroundService
     {
         private readonly DnsOverUdpServer dnsOverUdpServer;
         private readonly IEnumerable<IConflictValidator> conflictValidators;
-        private readonly ILogger<DnsOverUdpHostedService> logger;
-
+        private readonly ILogger<DnsHostedService> logger;
 
         /// <summary>
         /// dns后台服务
         /// </summary>
         /// <param name="dnsOverUdpServer"></param>
         /// <param name="conflictValidators"></param>
-        /// <param name="options"></param>
         /// <param name="logger"></param>
-        public DnsOverUdpHostedService(
+        public DnsHostedService(
             DnsOverUdpServer dnsOverUdpServer,
             IEnumerable<IConflictValidator> conflictValidators,
-            IOptionsMonitor<FastGithubOptions> options,
-            ILogger<DnsOverUdpHostedService> logger)
+            ILogger<DnsHostedService> logger)
         {
             this.dnsOverUdpServer = dnsOverUdpServer;
             this.conflictValidators = conflictValidators;
-            this.logger = logger;
-            options.OnChange(opt => SystemDnsUtil.FlushResolverCache());
+            this.logger = logger;         
         }
 
         /// <summary>
@@ -54,7 +48,7 @@ namespace FastGithub.Dns
             }
             catch (Exception ex)
             {
-                this.logger.LogError($"DNS服务启动失败：{ex.Message}{Environment.NewLine}请配置系统或浏览器使用{nameof(FastGithub)}的DoH，或向系统hosts文件添加github相关域名的ip为127.0.0.1");
+                this.logger.LogError($"DNS服务启动失败：{ex.Message}{Environment.NewLine}请配置系统或浏览器使用{nameof(FastGithub)}的DoH：https://127.0.0.1/dns-query，或向系统hosts文件添加github相关域名的ip为127.0.0.1");
             }
 
             foreach (var item in this.conflictValidators)
diff --git a/FastGithub.Dns/DnsOverUdpServer.cs b/FastGithub.Dns/DnsOverUdpServer.cs
index ab121df..2102cbb 100644
--- a/FastGithub.Dns/DnsOverUdpServer.cs
+++ b/FastGithub.Dns/DnsOverUdpServer.cs
@@ -1,6 +1,7 @@
 using DNS.Protocol;
 using FastGithub.Configuration;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using System;
 using System.Net;
 using System.Net.Sockets;
@@ -28,10 +29,13 @@ namespace FastGithub.Dns
         /// <param name="logger"></param>
         public DnsOverUdpServer(
             RequestResolver requestResolver,
-            ILogger<DnsOverUdpServer> logger)
+            ILogger<DnsOverUdpServer> logger,
+            IOptionsMonitor<FastGithubOptions> options)
         {
             this.requestResolver = requestResolver;
             this.logger = logger;
+
+            options.OnChange(opt => SystemDnsUtil.FlushResolverCache());
         }
 
         /// <summary>
diff --git a/FastGithub.Dns/ServiceCollectionExtensions.cs b/FastGithub.Dns/ServiceCollectionExtensions.cs
index 1205a86..f3d26d6 100644
--- a/FastGithub.Dns/ServiceCollectionExtensions.cs
+++ b/FastGithub.Dns/ServiceCollectionExtensions.cs
@@ -21,7 +21,7 @@ namespace FastGithub
             services.TryAddSingleton<DnsOverHttpsMiddleware>();
             services.AddSingleton<IConflictValidator, HostsConflictValidator>();
             services.AddSingleton<IConflictValidator, ProxyConflictValidtor>();
-            return services.AddHostedService<DnsOverUdpHostedService>();
+            return services.AddHostedService<DnsHostedService>();
         }
     }
 }