diff --git a/projects/IoTNode/IoTNode.csproj b/projects/IoTNode/IoTNode.csproj
index 1badc058..3e12a44f 100644
--- a/projects/IoTNode/IoTNode.csproj
+++ b/projects/IoTNode/IoTNode.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
-    <Version>1.0.0-beta.330</Version>
+    <Version>1.0.0-beta.402</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="3.1.3" />
diff --git a/projects/IoTNode/Program.cs b/projects/IoTNode/Program.cs
index 62eb69aa..450ecef4 100644
--- a/projects/IoTNode/Program.cs
+++ b/projects/IoTNode/Program.cs
@@ -18,6 +18,7 @@ namespace IoTNode
                 .AddJsonFile("appsettings.json", optional: true)
                 .Build();
             WebHost.CreateDefaultBuilder(args)
+                .UseConfiguration(config)
                 .ConfigureLogging((c, o) =>
                 {
                     Log.Logger = new LoggerConfiguration()
diff --git a/projects/UserCenter/Controllers/HomeController.cs b/projects/UserCenter/Controllers/HomeController.cs
index dd77877a..d6059c2c 100644
--- a/projects/UserCenter/Controllers/HomeController.cs
+++ b/projects/UserCenter/Controllers/HomeController.cs
@@ -7,6 +7,7 @@ using Infrastructure.Security;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Localization;
+using Newtonsoft.Json;
 using System.Linq;
 
 namespace UserCenter.Controllers
@@ -30,8 +31,11 @@ namespace UserCenter.Controllers
 
         public IActionResult Index()
         {
-            //var modelMetadata = this.GetModelMetadata<RegisterModel>();
-            //var json = modelMetadata.ToJson();
+            var modelMetadata = this.GetModelMetadata<RegisterModel>();
+            var json = JsonConvert.SerializeObject(modelMetadata, new JsonSerializerSettings
+            {
+                ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
+            });
             return View(this._siteRepo.ReadOnlyTable().ToList());
         }
     }