diff --git a/Netch/Controllers/DNSController.cs b/Netch/Controllers/DNSController.cs
index 5dc4fa59..4fb4e8e7 100644
--- a/Netch/Controllers/DNSController.cs
+++ b/Netch/Controllers/DNSController.cs
@@ -1,12 +1,15 @@
-namespace Netch.Controllers
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Netch.Controllers
 {
     public class DNSController : Controller
     {
         public DNSController()
         {
             Name = "DNS Service";
-            MainFile = "unbound.exe";
-            // RedirectStd = false;
+            RedirectStd = false;
         }
 
         /// <summary>
@@ -15,12 +18,31 @@
         /// <returns></returns>
         public bool Start()
         {
-            return StartInstanceAuto("-c unbound-service.conf -v");
+            if (!aiodns_dial(Encoding.UTF8.GetBytes(Path.GetFullPath("bin\\china_site_list")),
+                Encoding.UTF8.GetBytes("223.5.5.5:53"),
+                Encoding.UTF8.GetBytes("1.1.1.1:53"))
+            )
+                return false;
+            return
+                aiodns_init();
         }
 
         public override void Stop()
         {
-            StopInstance();
+            aiodns_free();
         }
+
+        #region NativeMethods
+
+        [DllImport("aiodns.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern bool aiodns_dial(byte[] chinacon, byte[] chinadns, byte[] otherdns);
+
+        [DllImport("aiodns.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern bool aiodns_init();
+
+        [DllImport("aiodns.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern void aiodns_free();
+
+        #endregion
     }
 }
\ No newline at end of file
diff --git a/Netch/Controllers/Mode/NFController.cs b/Netch/Controllers/Mode/NFController.cs
index 2e468c9b..bf903fec 100644
--- a/Netch/Controllers/Mode/NFController.cs
+++ b/Netch/Controllers/Mode/NFController.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.ServiceProcess;
 using System.Text;
 using System.Threading.Tasks;
@@ -62,18 +63,18 @@ namespace Netch.Controllers
                     return false;
             }
 
-            NativeMethods.aio_dial((int) NameList.TYPE_CLRNAME, "");
+            aio_dial((int) NameList.TYPE_CLRNAME, "");
             foreach (var rule in mode.Rule)
             {
-                NativeMethods.aio_dial((int) NameList.TYPE_ADDNAME, rule);
+                aio_dial((int) NameList.TYPE_ADDNAME, rule);
             }
 
-            NativeMethods.aio_dial((int) NameList.TYPE_ADDNAME, "NTT.exe");
+            aio_dial((int) NameList.TYPE_ADDNAME, "NTT.exe");
 
             if (server.Type != "Socks5")
             {
-                NativeMethods.aio_dial((int) NameList.TYPE_TCPHOST, $"127.0.0.1:{Global.Settings.Socks5LocalPort}");
-                NativeMethods.aio_dial((int) NameList.TYPE_UDPHOST, $"127.0.0.1:{Global.Settings.Socks5LocalPort}");
+                aio_dial((int) NameList.TYPE_TCPHOST, $"127.0.0.1:{Global.Settings.Socks5LocalPort}");
+                aio_dial((int) NameList.TYPE_UDPHOST, $"127.0.0.1:{Global.Settings.Socks5LocalPort}");
             }
             else
             {
@@ -84,8 +85,8 @@ namespace Netch.Controllers
                     return false;
                 }
 
-                NativeMethods.aio_dial((int) NameList.TYPE_TCPHOST, $"{result}:{server.Port}");
-                NativeMethods.aio_dial((int) NameList.TYPE_UDPHOST, $"{result}:{server.Port}");
+                aio_dial((int) NameList.TYPE_TCPHOST, $"{result}:{server.Port}");
+                aio_dial((int) NameList.TYPE_UDPHOST, $"{result}:{server.Port}");
             }
 
             if (Global.Settings.ModifySystemDNS)
@@ -96,7 +97,7 @@ namespace Netch.Controllers
                 DNS.SetDNS(dns);
             }
 
-            return NativeMethods.aio_init();
+            return aio_init();
         }
 
         public override void Stop()
@@ -108,9 +109,28 @@ namespace Netch.Controllers
                     DNS.SetDNS(_sysDns);
             });
 
-            NativeMethods.aio_free();
+            aio_free();
         }
 
+        #region NativeMethods
+
+        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern bool aio_dial(int name, [MarshalAs(UnmanagedType.LPWStr)] string value);
+
+        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern bool aio_init();
+
+        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern bool aio_free();
+
+        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern ulong aio_getUP();
+
+        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
+        public static extern ulong aio_getDL();
+
+        #endregion
+
         #region Utils
 
         /// <summary>
diff --git a/Netch/Forms/SettingForm.cs b/Netch/Forms/SettingForm.cs
index 21be3741..ca20dfd4 100644
--- a/Netch/Forms/SettingForm.cs
+++ b/Netch/Forms/SettingForm.cs
@@ -68,7 +68,7 @@ namespace Netch.Forms
             }
             else
             {
-                TUNTAPDNSTextBox.Text = "Unbound local DNS";
+                TUNTAPDNSTextBox.Text = "Local DNS";
             }
         }
 
diff --git a/Netch/NativeMethods.cs b/Netch/NativeMethods.cs
index 368e7608..b7f7dff3 100644
--- a/Netch/NativeMethods.cs
+++ b/Netch/NativeMethods.cs
@@ -78,20 +78,5 @@ namespace Netch
 
         [DllImport("dnsapi", EntryPoint = "DnsFlushResolverCache")]
         public static extern uint FlushDNSResolverCache();
-
-        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
-        public static extern bool aio_dial(int name, [MarshalAs(UnmanagedType.LPWStr)] string value);
-
-        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
-        public static extern bool aio_init();
-
-        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
-        public static extern bool aio_free();
-
-        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
-        public static extern ulong aio_getUP();
-
-        [DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
-        public static extern ulong aio_getDL();
     }
 }
\ No newline at end of file
diff --git a/binaries b/binaries
index 8b849a23..f5a4d3bd 160000
--- a/binaries
+++ b/binaries
@@ -1 +1 @@
-Subproject commit 8b849a23230e7dfa3c196357b8b5cf196bb8468d
+Subproject commit f5a4d3bd2892c20f26d24748980a412f04e6ee82