diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
index fb7435d4473..12d39196551 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
@@ -41,8 +41,6 @@ namespace MyCompanyName.MyProjectName
     )]
     public class MyProjectNameHttpApiHostModule : AbpModule
     {
-        private const string DefaultCorsPolicyName = "Default";
-
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
             var configuration = context.Services.GetConfiguration();
@@ -163,7 +161,7 @@ private void ConfigureCors(ServiceConfigurationContext context, IConfiguration c
         {
             context.Services.AddCors(options =>
             {
-                options.AddPolicy(DefaultCorsPolicyName, builder =>
+                options.AddDefaultPolicy(builder =>
                 {
                     builder
                         .WithOrigins(
@@ -201,7 +199,7 @@ public override void OnApplicationInitialization(ApplicationInitializationContex
             app.UseCorrelationId();
             app.UseStaticFiles();
             app.UseRouting();
-            app.UseCors(DefaultCorsPolicyName);
+            app.UseCors();
             app.UseAuthentication();
 
             if (MultiTenancyConsts.IsEnabled)
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/MyProjectNameHttpApiHostModule.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/MyProjectNameHttpApiHostModule.cs
index cd696da65f8..446ab2d8aa4 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/MyProjectNameHttpApiHostModule.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/MyProjectNameHttpApiHostModule.cs
@@ -45,8 +45,6 @@ namespace MyCompanyName.MyProjectName
     )]
     public class MyProjectNameHttpApiHostModule : AbpModule
     {
-        private const string DefaultCorsPolicyName = "Default";
-
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
             var configuration = context.Services.GetConfiguration();
@@ -157,7 +155,7 @@ private void ConfigureLocalization()
                 options.Languages.Add(new LanguageInfo("cs", "cs", "Čeština"));
                 options.Languages.Add(new LanguageInfo("en", "en", "English"));
                 options.Languages.Add(new LanguageInfo("en-GB", "en-GB", "English (UK)"));
-                options.Languages.Add(new LanguageInfo("fi", "fi", "Finnish"));                
+                options.Languages.Add(new LanguageInfo("fi", "fi", "Finnish"));
                 options.Languages.Add(new LanguageInfo("fr", "fr", "Français"));
                 options.Languages.Add(new LanguageInfo("hi", "hi", "Hindi", "in"));
                 options.Languages.Add(new LanguageInfo("it", "it", "Italian", "it"));
@@ -176,7 +174,7 @@ private void ConfigureCors(ServiceConfigurationContext context, IConfiguration c
         {
             context.Services.AddCors(options =>
             {
-                options.AddPolicy(DefaultCorsPolicyName, builder =>
+                options.AddDefaultPolicy( builder =>
                 {
                     builder
                         .WithOrigins(
@@ -214,7 +212,7 @@ public override void OnApplicationInitialization(ApplicationInitializationContex
             app.UseCorrelationId();
             app.UseStaticFiles();
             app.UseRouting();
-            app.UseCors(DefaultCorsPolicyName);
+            app.UseCors();
             app.UseAuthentication();
             app.UseJwtTokenMiddleware();
 
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
index 843cf53e47e..e1380703b56 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
@@ -45,8 +45,6 @@ namespace MyCompanyName.MyProjectName
         )]
     public class MyProjectNameIdentityServerModule : AbpModule
     {
-        private const string DefaultCorsPolicyName = "Default";
-
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
             var hostingEnvironment = context.Services.GetHostingEnvironment();
@@ -142,7 +140,7 @@ public override void ConfigureServices(ServiceConfigurationContext context)
 
             context.Services.AddCors(options =>
             {
-                options.AddPolicy(DefaultCorsPolicyName, builder =>
+                options.AddDefaultPolicy(builder =>
                 {
                     builder
                         .WithOrigins(
@@ -180,7 +178,7 @@ public override void OnApplicationInitialization(ApplicationInitializationContex
             app.UseCorrelationId();
             app.UseStaticFiles();
             app.UseRouting();
-            app.UseCors(DefaultCorsPolicyName);
+            app.UseCors();
             app.UseAuthentication();
 
             if (MultiTenancyConsts.IsEnabled)
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
index 1a57ba090c0..38e358507d6 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/MyProjectNameHttpApiHostModule.cs
@@ -51,7 +51,6 @@ namespace MyCompanyName.MyProjectName
         )]
     public class MyProjectNameHttpApiHostModule : AbpModule
     {
-        private const string DefaultCorsPolicyName = "Default";
 
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
@@ -132,7 +131,7 @@ public override void ConfigureServices(ServiceConfigurationContext context)
 
             context.Services.AddCors(options =>
             {
-                options.AddPolicy(DefaultCorsPolicyName, builder =>
+                options.AddDefaultPolicy(builder =>
                 {
                     builder
                         .WithOrigins(
@@ -169,7 +168,7 @@ public override void OnApplicationInitialization(ApplicationInitializationContex
             app.UseCorrelationId();
             app.UseStaticFiles();
             app.UseRouting();
-            app.UseCors(DefaultCorsPolicyName);
+            app.UseCors();
             app.UseAuthentication();
             if (MultiTenancyConsts.IsEnabled)
             {
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
index 4b03b114126..658b93bf094 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/MyProjectNameIdentityServerModule.cs
@@ -83,8 +83,6 @@ namespace MyCompanyName.MyProjectName
         )]
     public class MyProjectNameIdentityServerModule : AbpModule
     {
-        private const string DefaultCorsPolicyName = "Default";
-
         public override void ConfigureServices(ServiceConfigurationContext context)
         {
             var hostingEnvironment = context.Services.GetHostingEnvironment();
@@ -159,7 +157,7 @@ public override void ConfigureServices(ServiceConfigurationContext context)
 
             context.Services.AddCors(options =>
             {
-                options.AddPolicy(DefaultCorsPolicyName, builder =>
+                options.AddDefaultPolicy(builder =>
                 {
                     builder
                         .WithOrigins(
@@ -196,7 +194,7 @@ public override void OnApplicationInitialization(ApplicationInitializationContex
             app.UseCorrelationId();
             app.UseStaticFiles();
             app.UseRouting();
-            app.UseCors(DefaultCorsPolicyName);
+            app.UseCors();
             app.UseAuthentication();
             app.UseJwtTokenMiddleware();