diff --git a/host/JiShe.IoT.HttpApi.Host/Program.cs b/host/JiShe.IoT.HttpApi.Host/Program.cs
index 59ad177..ab410ba 100644
--- a/host/JiShe.IoT.HttpApi.Host/Program.cs
+++ b/host/JiShe.IoT.HttpApi.Host/Program.cs
@@ -1,7 +1,3 @@
-using Microsoft.AspNetCore.Server.Kestrel.Core;
-using Microsoft.Extensions.Configuration;
-using static Volo.Abp.Identity.Settings.IdentitySettingNames;
-
 namespace JiShe.IoT;
 
 public class Program
@@ -10,6 +6,11 @@ public class Program
     {
         try
         {
+            //var options = new Yitter.IdGenerator.IdGeneratorOptions(2);
+            //Yitter.IdGenerator.YitIdHelper.SetIdGenerator(options);
+            //long nanosecondsFromSnowflakeId = ServicePro.Core.TimestampHelper.NextUnixNanosecondsFromSnowflakeId();
+            //long nanosecondsDateOffset = ServicePro.Core.TimestampHelper.ToUnixTimeNanoseconds(DateTimeOffset.UtcNow);
+
             //string text = Convert.ToBase64String(Encoding.UTF8.GetBytes("admin:admin123"));
             Log.Information("JiShe.IoT.HttpApi.Host.");
             var builder = WebApplication.CreateBuilder(args);
diff --git a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
index e552a2d..16a452a 100644
--- a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
+++ b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
@@ -1,7 +1,7 @@
 {
   "App": {
     "SelfUrl": "http://localhost:44315",
-    "CorsOrigins": "https://*.IoT.com,http://localhost:4200,http://localhost:3100,http://localhost:80,http://10.10.70.11:4200"
+    "CorsOrigins": "https://*.IoT.com,http://localhost:4200,http://localhost:3100,http://localhost:80,http://10.10.90.3:4200"
   },
   "ConnectionStrings": {
     "Default": "Data Source=47.110.53.196;Port=13306;Database=JiSheIoTProDB;uid=root;pwd=JiShe!aqG#5kGgh&0;charset=utf8mb4;Allow User Variables=true;AllowLoadLocalInfile=true;",