diff --git a/projects/Infrastructure/Extensions/HelperExtensions.cs b/projects/Infrastructure/Extensions/HelperExtensions.cs
index 3f9e99b3..4b743355 100644
--- a/projects/Infrastructure/Extensions/HelperExtensions.cs
+++ b/projects/Infrastructure/Extensions/HelperExtensions.cs
@@ -1,12 +1,15 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Net.Sockets;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Security.Cryptography;
+using System.Text;
 
 namespace Infrastructure.Extensions
 {
@@ -34,6 +37,27 @@ namespace Infrastructure.Extensions
                 .FirstOrDefault();
         }
 
+        public static string MacEncrypt(this Helper helper, string value)
+        {
+            using var des = new DESCryptoServiceProvider();
+            var inputByteArray = Encoding.Default.GetBytes(value);
+            using MD5 md5 = MD5.Create();
+            byte[] hash = md5.ComputeHash(Encoding.UTF8.GetBytes(value));
+            var md5Key = BitConverter.ToString(hash).Replace("-", string.Empty, StringComparison.Ordinal).ToLower(CultureInfo.InvariantCulture);
+            des.Key = Encoding.ASCII.GetBytes(md5Key.Substring(0, 8));
+            des.IV = Encoding.ASCII.GetBytes(md5Key.Substring(0, 8));
+            using var ms = new MemoryStream();
+            using var cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
+            cs.Write(inputByteArray, 0, inputByteArray.Length);
+            cs.FlushFinalBlock();
+            var ret = new StringBuilder();
+            foreach (var item in ms.ToArray())
+            {
+                ret.AppendFormat("{0:X2}", item);
+            }
+            return ret.ToString();
+        }
+
         public static List<IPAddress> GetLocalIPList(this Helper helper)
         {
             var ipList = new List<IPAddress>();
diff --git a/projects/Infrastructure/Web/BaseStartup.cs b/projects/Infrastructure/Web/BaseStartup.cs
index fa2edcf9..2d256407 100644
--- a/projects/Infrastructure/Web/BaseStartup.cs
+++ b/projects/Infrastructure/Web/BaseStartup.cs
@@ -1,4 +1,4 @@
-using Infrastructure.Application.Services.Settings;
+using Infrastructure.Application.Services.Settings;
 using Infrastructure.Data;
 using Infrastructure.Events;
 using Infrastructure.Extensions;
@@ -20,7 +20,6 @@ using Microsoft.AspNetCore.Localization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Razor;
 using Microsoft.AspNetCore.Mvc.Versioning;
-using Microsoft.AspNetCore.ResponseCompression;
 using Microsoft.AspNetCore.Routing;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.EntityFrameworkCore;
diff --git a/projects/IoT.Shared/Services/IoTNode/IoTNodeClient.cs b/projects/IoT.Shared/Services/IoTNode/IoTNodeClient.cs
index 85c569d5..11b80bbd 100644
--- a/projects/IoT.Shared/Services/IoTNode/IoTNodeClient.cs
+++ b/projects/IoT.Shared/Services/IoTNode/IoTNodeClient.cs
@@ -30,9 +30,11 @@ namespace IoT.Shared.Services
         private readonly IHostApplicationLifetime _lifetime;
         private readonly IServiceProvider _applicationServices;
         private readonly ILogger<IoTNodeClient> _logger;
+        private string _mac;
 
         public IoTNodeClient(IHostApplicationLifetime lifetime, IServiceProvider applicationServices, ILogger<IoTNodeClient> logger)
         {
+            this._mac = Helper.Instance.GetMacAddress();
             this._lifetime = lifetime;
             this._applicationServices = applicationServices;
             this._logger = logger;
@@ -64,6 +66,12 @@ namespace IoT.Shared.Services
 
         public void Connect()
         {
+            var code = GetSetting("code");
+            if (code != Helper.Instance.MacEncrypt(this._mac))
+            {
+                this._logger.LogError($"err: code {code} does not match mac {_mac}");
+                return;
+            }
             var enable = GetSetting("notify:enabled");
             if (enable == "true")
             {
diff --git a/projects/IoTCenter/Controllers/HomeController.cs b/projects/IoTCenter/Controllers/HomeController.cs
index 2ae88a0c..da5bec6e 100644
--- a/projects/IoTCenter/Controllers/HomeController.cs
+++ b/projects/IoTCenter/Controllers/HomeController.cs
@@ -1,5 +1,6 @@
-using Application.Domain.Entities;
+using Application.Domain.Entities;
 using Infrastructure.Data;
+using Infrastructure.Extensions;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
@@ -53,5 +54,15 @@ namespace IoTCenter.Controllers
         {
             return View();
         }
+
+#if DEBUG
+
+        [Route("/license")]
+        public IActionResult License(string mac)
+        {
+            return Content(Helper.Instance.MacEncrypt(mac));
+        }
+
+#endif
     }
 }
\ No newline at end of file
diff --git a/projects/IoTNode/Areas/Admin/Controllers/HomeController.cs b/projects/IoTNode/Areas/Admin/Controllers/HomeController.cs
index 3cf2d26b..e02a8653 100644
--- a/projects/IoTNode/Areas/Admin/Controllers/HomeController.cs
+++ b/projects/IoTNode/Areas/Admin/Controllers/HomeController.cs
@@ -1,4 +1,4 @@
-using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 
 namespace IoTNode.Areas.Admin.Controllers
diff --git a/projects/IoTNode/DbConfig.cs b/projects/IoTNode/DbConfig.cs
index 96ad881b..09f2556c 100644
--- a/projects/IoTNode/DbConfig.cs
+++ b/projects/IoTNode/DbConfig.cs
@@ -4,21 +4,25 @@ using Infrastructure.Data;
 using Infrastructure.Extensions;
 using Infrastructure.Security;
 using IoT.Shared;
+using Microsoft.AspNetCore.Hosting;
 using Microsoft.EntityFrameworkCore;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace IoTNode
 {
     public class DbConfig : IDbConfig
     {
+        private readonly IWebHostEnvironment _env;
         private readonly IConfiguration _cfg;
         private readonly IEncryptionService _encryptionService;
 
-        public DbConfig(IConfiguration cfg, IEncryptionService encryptionService)
+        public DbConfig(IWebHostEnvironment env, IConfiguration cfg, IEncryptionService encryptionService)
         {
+            this._env = env;
             this._cfg = cfg;
             this._encryptionService = encryptionService;
         }
@@ -76,23 +80,28 @@ namespace IoTNode
             var macAddress = Helper.Instance.GetMacAddress();
             set.Add(new Setting { Name = "sn", Value = macAddress, Type = SettingType.Text });
             set.Add(new Setting { Name = "id", Value = macAddress.Md5(), Type = SettingType.Text });
-            set.Add(new Setting { Name = "code", Value = "根据id生成的授权码", Type = SettingType.Text });
+            set.Add(new Setting
+            {
+                Name = "code",
+                Value = this._env.IsDevelopment() ? Helper.Instance.MacEncrypt(Helper.Instance.GetMacAddress()) : "根据id生成的授权码",
+                Type = SettingType.Text
+            });
             //
             var host = this._cfg.GetValue("seed:host", "localhost");
             var stream = this._cfg.GetValue("seed:stream", "localhost");
             var delay = this._cfg.GetValue("seed:delay", "100");
-            set.Add(new Setting { Name = "debug", Value = "false" });
-            set.Add(new Setting { Name = "notify:enabled", Value = "true" });
-            set.Add(new Setting { Name = "notify:host", Value = $"http://{host}/IoTCenter" });
-            set.Add(new Setting { Name = "timer.seconds", Value = "180" });
-            set.Add(new Setting { Name = "onvif.timer", Value = "1" });
-            set.Add(new Setting { Name = "onvif.speed", Value = "0.2" });
-            set.Add(new Setting { Name = "camera.usr", Value = "admin" });
-            set.Add(new Setting { Name = "camera.pwd", Value = "dsideal123" });
-            set.Add(new Setting { Name = "stream.rtmp", Value = stream });
-            set.Add(new Setting { Name = "ffmpeg.args", Value = " -y -threads {0} -rtsp_transport tcp -use_wallclock_as_timestamps 1 -stimeout 3000000 -i \"{1}\" -fflags +genpts -c copy -f flv \"{2}\"" });
-            set.Add(new Setting { Name = "fbee.writelist", Value = "" });
-            set.Add(new Setting { Name = "camera.writelist", Value = "" });
+            set.Add(new Setting { Name = "debug", Value = "false", Type = SettingType.Text });
+            set.Add(new Setting { Name = "notify:enabled", Value = "true", Type = SettingType.Text });
+            set.Add(new Setting { Name = "notify:host", Value = $"http://{host}/IoTCenter", Type = SettingType.Text });
+            set.Add(new Setting { Name = "timer.seconds", Value = "180", Type = SettingType.Text });
+            set.Add(new Setting { Name = "onvif.timer", Value = "1", Type = SettingType.Text });
+            set.Add(new Setting { Name = "onvif.speed", Value = "0.2", Type = SettingType.Text });
+            set.Add(new Setting { Name = "camera.usr", Value = "admin", Type = SettingType.Text });
+            set.Add(new Setting { Name = "camera.pwd", Value = "dsideal123", Type = SettingType.Text });
+            set.Add(new Setting { Name = "stream.rtmp", Value = stream, Type = SettingType.Text });
+            set.Add(new Setting { Name = "ffmpeg.args", Value = " -y -threads {0} -rtsp_transport tcp -use_wallclock_as_timestamps 1 -stimeout 3000000 -i \"{1}\" -fflags +genpts -c copy -f flv \"{2}\"", Type = SettingType.Text });
+            set.Add(new Setting { Name = "fbee.writelist", Value = "", Type = SettingType.Text });
+            set.Add(new Setting { Name = "camera.writelist", Value = "", Type = SettingType.Text });
             set.Add(new Setting { Name = "delay", Value = delay, Type = SettingType.Text });
             db.SaveChanges();
 
diff --git a/projects/IoTNode/Services/IoTNodeEventHandler.cs b/projects/IoTNode/Services/IoTNodeEventHandler.cs
index 34b7db1a..2b8466a3 100644
--- a/projects/IoTNode/Services/IoTNodeEventHandler.cs
+++ b/projects/IoTNode/Services/IoTNodeEventHandler.cs
@@ -66,7 +66,12 @@ namespace IoTNode.Services
                 this._onvifService.StopPushToServer();
                 this._onvifService.StartPushToServer();
             }
-            else if (message.Data.Name == "organ")
+            else if (message.Data.Name == "notify:host")
+            {
+                this._ioTNodeClient.Close();
+                this._ioTNodeClient.Connect();
+            }
+            else if (message.Data.Name == "code")
             {
                 this._ioTNodeClient.Close();
                 this._ioTNodeClient.Connect();
diff --git a/projects/IoTNode/Startup.cs b/projects/IoTNode/Startup.cs
index 1c3a78e2..01dd7c26 100644
--- a/projects/IoTNode/Startup.cs
+++ b/projects/IoTNode/Startup.cs
@@ -14,14 +14,10 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using System;
-using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
 
 namespace IoTNode
 {
@@ -29,25 +25,6 @@ namespace IoTNode
     {
         public Startup(IConfiguration configuration, IWebHostEnvironment env) : base(configuration, env)
         {
-            var mac = Helper.Instance.GetMacAddress();
-            var license = DESEncrypt(mac);
-            var list = new string[] { license };
-            if (!env.IsDevelopment())
-            {
-                if (!File.Exists(license))
-                {
-                    var message = $"error:does not exists licenese file: {license}";
-                    Console.WriteLine(message);
-                    throw new Exception(message);
-                }
-                list = File.ReadAllText("license").Split(',');
-            }
-            if (!list.Contains(license))
-            {
-                var message = $"error:does not contain licenese which match mac address {mac}";
-                Console.WriteLine(message);
-                throw new Exception(message);
-            }
         }
 
         public override void ConfigureServices(IServiceCollection services)
@@ -141,26 +118,5 @@ namespace IoTNode
             }
             return result;
         }
-
-        public static string DESEncrypt(string value)
-        {
-            using var des = new DESCryptoServiceProvider();
-            var inputByteArray = Encoding.Default.GetBytes(value);
-            using MD5 md5 = MD5.Create();
-            byte[] hash = md5.ComputeHash(Encoding.UTF8.GetBytes(value));
-            var md5Key = BitConverter.ToString(hash).Replace("-", string.Empty, StringComparison.Ordinal).ToLower(CultureInfo.InvariantCulture);
-            des.Key = Encoding.ASCII.GetBytes(md5Key.Substring(0, 8));
-            des.IV = Encoding.ASCII.GetBytes(md5Key.Substring(0, 8));
-            using var ms = new MemoryStream();
-            using var cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
-            cs.Write(inputByteArray, 0, inputByteArray.Length);
-            cs.FlushFinalBlock();
-            var ret = new StringBuilder();
-            foreach (var item in ms.ToArray())
-            {
-                ret.AppendFormat("{0:X2}", item);
-            }
-            return ret.ToString();
-        }
     }
 }
\ No newline at end of file
diff --git a/projects/IoTNode/Version.cs b/projects/IoTNode/Version.cs
index bb6381a7..64a68a43 100644
--- a/projects/IoTNode/Version.cs
+++ b/projects/IoTNode/Version.cs
@@ -1,4 +1,4 @@
 using System.Reflection;
 
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyInformationalVersion("1.0.0.20092701")]
\ No newline at end of file
+[assembly: AssemblyInformationalVersion("1.0.0.20092702")]
\ No newline at end of file
diff --git a/projects/Version.cs b/projects/Version.cs
index bb6381a7..64a68a43 100644
--- a/projects/Version.cs
+++ b/projects/Version.cs
@@ -1,4 +1,4 @@
 using System.Reflection;
 
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyInformationalVersion("1.0.0.20092701")]
\ No newline at end of file
+[assembly: AssemblyInformationalVersion("1.0.0.20092702")]
\ No newline at end of file
diff --git a/publish/build.ps1 b/publish/build.ps1
index d8cff958..a256a551 100644
--- a/publish/build.ps1
+++ b/publish/build.ps1
@@ -1,5 +1,11 @@
-Remove-Item ./dist/* -recurse -force
-
+if(Test-Path dist)
+{
+    Remove-Item ./dist/* -recurse -force
+}
+else
+{
+    mkdir ./dist;
+}
 Copy-Item  ./src/* ./dist -recurse -Exclude @('.gitignore','start-dev.cmd','docker-compose.override.yml','nginx.development.conf')
 
 Remove-Item ./dist/linux-x64/publish/docker/log/* -recurse -force
diff --git a/publish/src/linux-arm64/publish/apps/srs/conf/srs.conf b/publish/src/linux-arm64/publish/apps/srs/conf/srs.conf
index c98803f9..925822bb 100644
--- a/publish/src/linux-arm64/publish/apps/srs/conf/srs.conf
+++ b/publish/src/linux-arm64/publish/apps/srs/conf/srs.conf
@@ -3,16 +3,7 @@ max_connections 1000;
 srs_log_tank file;
 srs_log_file ./objs/log/srs.log;
 daemon off;
-http_api {
-    enabled on;
-    listen 1985;
-    raw_api {
-        enabled on;
-        allow_reload on;
-        allow_query on;
-        allow_update on;
-    }
-}
+
 http_server {
     enabled on;
     listen 8080;
@@ -53,13 +44,5 @@ vhost __defaultVhost__ {
         hls_m3u8_file [app]/[stream].m3u8;
         hls_ts_file [app]/[stream]-[seq].ts;
     }
-    dvr {
-        enabled on;
-        dvr_apply none;
-        dvr_path ./objs/nginx/html/video/[app].[stream].[timestamp].mp4;
-    }
-    http_hooks {
-        enabled on;
-        on_dvr http://localhost:8002/api/v1/Srs/OnDvr;
-    }
+    
 }
diff --git a/publish/src/linux-arm64/publish/apps/srs/objs/srs b/publish/src/linux-arm64/publish/apps/srs/objs/srs
index 79138100..6782df7f 100644
Binary files a/publish/src/linux-arm64/publish/apps/srs/objs/srs and b/publish/src/linux-arm64/publish/apps/srs/objs/srs differ
diff --git a/tools/srs/docker-compose-ubuntu12arm.yml b/tools/srs/docker-compose-ubuntu12arm.yml
index dd099fbe..911e272a 100644
--- a/tools/srs/docker-compose-ubuntu12arm.yml
+++ b/tools/srs/docker-compose-ubuntu12arm.yml
@@ -11,7 +11,7 @@ services:
       &&apt-get upgrade -y
       &&apt-get install -y git
       &&rm -rf /root/srs/
-      &&git clone -b 4.0release https://gitee.com/winlinvip/srs.oschina.git srs
+      &&git clone -b 3.0release https://gitee.com/winlinvip/srs.oschina.git srs
       &&cd srs/trunk
       && git remote set-url origin https://github.com/ossrs/srs.git
       && git pull