diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/DatePicker/AbpDatePickerBaseTagHelperService.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/DatePicker/AbpDatePickerBaseTagHelperService.cs
index 5088c08293..3f7b6b0afa 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/DatePicker/AbpDatePickerBaseTagHelperService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/DatePicker/AbpDatePickerBaseTagHelperService.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -23,7 +24,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form.DatePicker;
 public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelperService<TTagHelper>
     where TTagHelper : AbpDatePickerBaseTagHelper<TTagHelper>
 {
-    protected readonly Dictionary<Type, Func<object, string>> SupportedInputTypes;
+    protected readonly FrozenDictionary<Type, Func<object, string>> SupportedInputTypes;
 
     protected readonly IJsonSerializer JsonSerializer;
     protected readonly IHtmlGenerator Generator;
@@ -103,7 +104,7 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
                     return string.Empty;
                 }
             }
-        };
+        }.ToFrozenDictionary();
     }
 
     protected virtual T? GetAttribute<T>() where T : Attribute
@@ -136,7 +137,7 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
             ? await ProcessButtonAndGetContentAsync(context, output, "calendar", "open")
             : "";
         var clearButtonContent = TagHelper.ClearButton == true || (!TagHelper.ClearButton.HasValue && TagHelper.AutoUpdateInput != true)
-            ? await ProcessButtonAndGetContentAsync(context, output, "times", "clear", visible:!TagHelper.SingleOpenAndClearButton)
+            ? await ProcessButtonAndGetContentAsync(context, output, "times", "clear", visible: !TagHelper.SingleOpenAndClearButton)
             : "";
 
         var labelContent = await GetLabelAsHtmlAsync(context, output, TagHelperOutput);
@@ -269,7 +270,7 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
     {
         var attrList = new TagHelperAttributeList();
 
-        if(options == null)
+        if (options == null)
         {
             return attrList;
         }
@@ -401,29 +402,29 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
             attrList.Add("data-visible-date-format", options.VisibleDateFormat);
         }
 
-        if(!options.InputDateFormat.IsNullOrEmpty())
+        if (!options.InputDateFormat.IsNullOrEmpty())
         {
             attrList.Add("data-input-date-format", options.InputDateFormat);
         }
 
-        if(options.Ranges != null && options.Ranges.Any())
+        if (options.Ranges != null && options.Ranges.Any())
         {
             var ranges = options.Ranges.ToDictionary(r => r.Label, r => r.Dates);
 
             attrList.Add("data-ranges", JsonSerializer.Serialize(ranges));
         }
 
-        if(options.AlwaysShowCalendars != null)
+        if (options.AlwaysShowCalendars != null)
         {
             attrList.Add("data-always-show-calendars", options.AlwaysShowCalendars.ToString()!.ToLowerInvariant());
         }
 
-        if(options.ShowCustomRangeLabel == false)
+        if (options.ShowCustomRangeLabel == false)
         {
             attrList.Add("data-show-custom-range-label", options.ShowCustomRangeLabel.ToString()!.ToLowerInvariant());
         }
 
-        if(options.Options != null)
+        if (options.Options != null)
         {
             attrList.Add("data-options", JsonSerializer.Serialize(options.Options));
         }
@@ -443,7 +444,7 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
             attrList.Add("id", options.PickerId);
         }
 
-        if(!options.SingleOpenAndClearButton)
+        if (!options.SingleOpenAndClearButton)
         {
             attrList.Add("data-single-open-and-clear-button", options.SingleOpenAndClearButton.ToString().ToLowerInvariant());
         }
@@ -614,7 +615,8 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
         {
             return string.Empty;
         }
-        var labelTagHelper = new LabelTagHelper(Generator) {
+        var labelTagHelper = new LabelTagHelper(Generator)
+        {
             ViewContext = TagHelper.ViewContext,
             For = modelExpression
         };
@@ -764,7 +766,8 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
             TagHelper.Size = attribute.Size;
         }
 
-        return TagHelper.Size switch {
+        return TagHelper.Size switch
+        {
             AbpFormControlSize.Small => "form-control-sm",
             AbpFormControlSize.Medium => "form-control-md",
             AbpFormControlSize.Large => "form-control-lg",
@@ -785,14 +788,14 @@ public abstract class AbpDatePickerBaseTagHelperService<TTagHelper> : AbpTagHelp
 
     protected virtual async Task<string> GetValidationAsHtmlByInputAsync(TagHelperContext context,
         TagHelperOutput output,
-        [NotNull]ModelExpression @for)
+        [NotNull] ModelExpression @for)
     {
         var validationMessageTagHelper =
             new ValidationMessageTagHelper(Generator) { For = @for, ViewContext = TagHelper.ViewContext };
 
         var attributeList = new TagHelperAttributeList { { "class", "text-danger" } };
 
-        if(!output.Attributes.TryGetAttribute("name", out var nameAttribute) || nameAttribute == null || nameAttribute.Value == null)
+        if (!output.Attributes.TryGetAttribute("name", out var nameAttribute) || nameAttribute == null || nameAttribute.Value == null)
         {
             if (nameAttribute != null)
             {
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/ObjectExtending/MvcUiObjectExtensionPropertyInfoExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/ObjectExtending/MvcUiObjectExtensionPropertyInfoExtensions.cs
index 62b86bc1c5..ae5d30a2ac 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/ObjectExtending/MvcUiObjectExtensionPropertyInfoExtensions.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/ObjectExtending/MvcUiObjectExtensionPropertyInfoExtensions.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using Microsoft.AspNetCore.Mvc;
@@ -8,7 +9,7 @@ namespace Volo.Abp.ObjectExtending;
 
 public static class MvcUiObjectExtensionPropertyInfoExtensions
 {
-    private static readonly HashSet<Type> NumberTypes = new HashSet<Type> {
+    private static readonly FrozenSet<Type> NumberTypes = new HashSet<Type> {
             typeof(int),
             typeof(long),
             typeof(byte),
@@ -33,7 +34,7 @@ public static class MvcUiObjectExtensionPropertyInfoExtensions
             typeof(float?),
             typeof(double?),
             typeof(decimal?)
-        };
+        }.ToFrozenSet();
 
     public static string? GetInputFormatOrNull(this IBasicObjectExtensionPropertyInfo property)
     {
diff --git a/framework/src/Volo.Abp.BackgroundWorkers.TickerQ/Volo/Abp/BackgroundWorkers/TickerQ/AbpBackgroundWorkersTickerQOptions.cs b/framework/src/Volo.Abp.BackgroundWorkers.TickerQ/Volo/Abp/BackgroundWorkers/TickerQ/AbpBackgroundWorkersTickerQOptions.cs
index 6d48a21262..438686d29f 100644
--- a/framework/src/Volo.Abp.BackgroundWorkers.TickerQ/Volo/Abp/BackgroundWorkers/TickerQ/AbpBackgroundWorkersTickerQOptions.cs
+++ b/framework/src/Volo.Abp.BackgroundWorkers.TickerQ/Volo/Abp/BackgroundWorkers/TickerQ/AbpBackgroundWorkersTickerQOptions.cs
@@ -5,11 +5,11 @@ namespace Volo.Abp.BackgroundWorkers.TickerQ;
 
 public class AbpBackgroundWorkersTickerQOptions
 {
-    private readonly Dictionary<Type, AbpBackgroundWorkersCronTickerConfiguration> _onfigurations;
+    private readonly Dictionary<Type, AbpBackgroundWorkersCronTickerConfiguration> _configurations;
 
     public AbpBackgroundWorkersTickerQOptions()
     {
-        _onfigurations = new Dictionary<Type, AbpBackgroundWorkersCronTickerConfiguration>();
+        _configurations = new Dictionary<Type, AbpBackgroundWorkersCronTickerConfiguration>();
     }
 
     public void AddConfiguration<TWorker>(AbpBackgroundWorkersCronTickerConfiguration configuration)
@@ -19,7 +19,7 @@ public class AbpBackgroundWorkersTickerQOptions
 
     public void AddConfiguration(Type workerType, AbpBackgroundWorkersCronTickerConfiguration configuration)
     {
-        _onfigurations[workerType] = configuration;
+        _configurations[workerType] = configuration;
     }
 
     public AbpBackgroundWorkersCronTickerConfiguration? GetConfigurationOrNull<TJob>()
@@ -29,6 +29,6 @@ public class AbpBackgroundWorkersTickerQOptions
 
     public AbpBackgroundWorkersCronTickerConfiguration? GetConfigurationOrNull(Type workerType)
     {
-        return _onfigurations.GetValueOrDefault(workerType);
+        return _configurations.GetValueOrDefault(workerType);
     }
 }
diff --git a/framework/src/Volo.Abp.BlazoriseUI/BlazoriseUiObjectExtensionPropertyInfoExtensions.cs b/framework/src/Volo.Abp.BlazoriseUI/BlazoriseUiObjectExtensionPropertyInfoExtensions.cs
index 3026682f62..d535c87c00 100644
--- a/framework/src/Volo.Abp.BlazoriseUI/BlazoriseUiObjectExtensionPropertyInfoExtensions.cs
+++ b/framework/src/Volo.Abp.BlazoriseUI/BlazoriseUiObjectExtensionPropertyInfoExtensions.cs
@@ -1,5 +1,6 @@
 using Blazorise;
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -11,7 +12,7 @@ namespace Volo.Abp.BlazoriseUI;
 
 public static class BlazoriseUiObjectExtensionPropertyInfoExtensions
 {
-    private static readonly HashSet<Type> NumberTypes = new HashSet<Type> {
+    private static readonly FrozenSet<Type> NumberTypes = new HashSet<Type> {
             typeof(int),
             typeof(long),
             typeof(byte),
@@ -36,13 +37,13 @@ public static class BlazoriseUiObjectExtensionPropertyInfoExtensions
             typeof(float?),
             typeof(double?),
             typeof(decimal?)
-        };
+        }.ToFrozenSet();
 
-    private static readonly HashSet<Type> TextEditSupportedAttributeTypes = new HashSet<Type> {
+    private static readonly FrozenSet<Type> TextEditSupportedAttributeTypes = new HashSet<Type> {
             typeof(EmailAddressAttribute),
             typeof(UrlAttribute),
             typeof(PhoneAttribute)
-        };
+        }.ToFrozenSet();
 
     public static string? GetDateEditInputFormatOrNull(this IBasicObjectExtensionPropertyInfo property)
     {
diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
index b8ba1ea113..9f2cb4d221 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/NpmPackagesUpdater.cs
@@ -3,14 +3,12 @@ using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using NuGet.Versioning;
-using Volo.Abp.Cli.Http;
 using Volo.Abp.Cli.LIbs;
 using Volo.Abp.Cli.Utils;
 using Volo.Abp.DependencyInjection;
@@ -28,14 +26,12 @@ public class NpmPackagesUpdater : ITransientDependency
 
     private readonly PackageJsonFileFinder _packageJsonFileFinder;
     private readonly NpmGlobalPackagesChecker _npmGlobalPackagesChecker;
-    private readonly Dictionary<string, string> _fileVersionStorage = new Dictionary<string, string>();
-    private readonly CliHttpClientFactory _cliHttpClientFactory;
+    private readonly Dictionary<string, string> _fileVersionStorage = [];
 
     public NpmPackagesUpdater(
         PackageJsonFileFinder packageJsonFileFinder,
         NpmGlobalPackagesChecker npmGlobalPackagesChecker,
         ICancellationTokenProvider cancellationTokenProvider,
-        CliHttpClientFactory cliHttpClientFactory,
         IInstallLibsService installLibsService,
         ICmdHelper cmdHelper)
     {
@@ -44,7 +40,6 @@ public class NpmPackagesUpdater : ITransientDependency
         CancellationTokenProvider = cancellationTokenProvider;
         InstallLibsService = installLibsService;
         CmdHelper = cmdHelper;
-        _cliHttpClientFactory = cliHttpClientFactory;
         Logger = NullLogger<NpmPackagesUpdater>.Instance;
     }
 
diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/Logging/DefaultInitLoggerFactory.cs b/framework/src/Volo.Abp.Core/Volo/Abp/Logging/DefaultInitLoggerFactory.cs
index 1fa5d45090..638888493d 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/Logging/DefaultInitLoggerFactory.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/Logging/DefaultInitLoggerFactory.cs
@@ -5,10 +5,10 @@ namespace Volo.Abp.Logging;
 
 public class DefaultInitLoggerFactory : IInitLoggerFactory
 {
-    private readonly Dictionary<Type, object> _cache = new Dictionary<Type, object>();
+    private readonly Dictionary<Type, object> _cache = [];
 
     public virtual IInitLogger<T> Create<T>()
     {
-        return (IInitLogger<T>)_cache.GetOrAdd(typeof(T), () => new DefaultInitLogger<T>()); ;
+        return (IInitLogger<T>)_cache.GetOrAdd(typeof(T), () => new DefaultInitLogger<T>());
     }
 }
diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs b/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
index 0118fd9874..87c9419cfa 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/Reflection/TypeHelper.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.ComponentModel;
@@ -13,14 +14,14 @@ namespace Volo.Abp.Reflection;
 
 public static class TypeHelper
 {
-    private static readonly HashSet<Type> FloatingTypes = new HashSet<Type>
+    private static readonly FrozenSet<Type> FloatingTypes = new HashSet<Type>
         {
             typeof(float),
             typeof(double),
             typeof(decimal)
-        };
+        }.ToFrozenSet();
 
-    private static readonly HashSet<Type> NonNullablePrimitiveTypes = new HashSet<Type>
+    private static readonly FrozenSet<Type> NonNullablePrimitiveTypes = new HashSet<Type>
         {
             typeof(byte),
             typeof(short),
@@ -37,7 +38,7 @@ public static class TypeHelper
             typeof(DateTimeOffset),
             typeof(TimeSpan),
             typeof(Guid)
-        };
+        }.ToFrozenSet();
 
     public static bool IsNonNullablePrimitiveType(Type type)
     {
diff --git a/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/PostConfigureAbpRabbitMqEventBusOptions.cs b/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/PostConfigureAbpRabbitMqEventBusOptions.cs
index f4e69c46c6..2c400e01da 100644
--- a/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/PostConfigureAbpRabbitMqEventBusOptions.cs
+++ b/framework/src/Volo.Abp.EventBus.RabbitMQ/Volo/Abp/EventBus/RabbitMq/PostConfigureAbpRabbitMqEventBusOptions.cs
@@ -1,3 +1,4 @@
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using Microsoft.Extensions.Options;
 
@@ -5,8 +6,8 @@ namespace Volo.Abp.EventBus.RabbitMq;
 
 public class PostConfigureAbpRabbitMqEventBusOptions : IPostConfigureOptions<AbpRabbitMqEventBusOptions>
 {
-    private readonly HashSet<string> _uint64QueueArguments =
-    [
+    private readonly FrozenSet<string> _uint64QueueArguments = new HashSet<string>()
+    {
         "x-delivery-limit",
         "x-expires",
         "x-message-ttl",
@@ -16,12 +17,12 @@ public class PostConfigureAbpRabbitMqEventBusOptions : IPostConfigureOptions<Abp
         "x-quorum-target-group-size",
         "x-stream-filter-size-bytes",
         "x-stream-max-segment-size-bytes",
-    ];
+    }.ToFrozenSet();
 
-    private readonly HashSet<string> _boolQueueArguments =
-    [
+    private readonly FrozenSet<string> _boolQueueArguments = new HashSet<string>()
+    {
         "x-single-active-consumer"
-    ];
+    }.ToFrozenSet();
 
     public virtual void PostConfigure(string? name, AbpRabbitMqEventBusOptions options)
     {
diff --git a/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/ProxyScriptingJsFuncHelper.cs b/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/ProxyScriptingJsFuncHelper.cs
index 33c5b0d05f..21547bd05d 100644
--- a/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/ProxyScriptingJsFuncHelper.cs
+++ b/framework/src/Volo.Abp.Http/Volo/Abp/Http/ProxyScripting/Generators/ProxyScriptingJsFuncHelper.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -10,7 +11,7 @@ internal static class ProxyScriptingJsFuncHelper
 {
     private const string ValidJsVariableNameChars = "abcdefghijklmnopqrstuxwvyzABCDEFGHIJKLMNOPQRSTUXWVYZ0123456789_";
 
-    private static readonly HashSet<string> ReservedWords = new HashSet<string> {
+    private static readonly FrozenSet<string> ReservedWords = new HashSet<string> {
             "abstract",
             "else",
             "instanceof",
@@ -71,7 +72,7 @@ internal static class ProxyScriptingJsFuncHelper
             "in",
             "static",
             "with"
-        };
+        }.ToFrozenSet();
 
     public static string NormalizeJsVariableName(string name, string additionalChars = "")
     {
diff --git a/framework/src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceDictionary.cs b/framework/src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceDictionary.cs
index f6487a85b7..0b8d3d7f63 100644
--- a/framework/src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceDictionary.cs
+++ b/framework/src/Volo.Abp.Localization/Volo/Abp/Localization/LocalizationResourceDictionary.cs
@@ -6,7 +6,7 @@ namespace Volo.Abp.Localization;
 
 public class LocalizationResourceDictionary : Dictionary<string, LocalizationResourceBase>
 {
-    private readonly Dictionary<Type, LocalizationResourceBase> _resourcesByTypes = new();
+    private readonly Dictionary<Type, LocalizationResourceBase> _resourcesByTypes = [];
 
     public LocalizationResource Add<TResouce>(string? defaultCultureName = null)
     {
diff --git a/framework/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDatabaseCollection.cs b/framework/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDatabaseCollection.cs
index 3e08c63417..7f4f9dbcdf 100644
--- a/framework/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDatabaseCollection.cs
+++ b/framework/src/Volo.Abp.MemoryDb/Volo/Abp/Domain/Repositories/MemoryDb/MemoryDatabaseCollection.cs
@@ -8,7 +8,7 @@ namespace Volo.Abp.Domain.Repositories.MemoryDb;
 public class MemoryDatabaseCollection<TEntity> : IMemoryDatabaseCollection<TEntity>
     where TEntity : class, IEntity
 {
-    private readonly Dictionary<string, byte[]> _dictionary = new Dictionary<string, byte[]>();
+    private readonly Dictionary<string, byte[]> _dictionary = [];
 
     private readonly IMemoryDbSerializer _memoryDbSerializer;
 
diff --git a/framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/MongoModelBuilder.cs b/framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/MongoModelBuilder.cs
index d7ad79f7d0..a68f1584f8 100644
--- a/framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/MongoModelBuilder.cs
+++ b/framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/MongoModelBuilder.cs
@@ -17,7 +17,7 @@ public class MongoModelBuilder : IMongoModelBuilder
 {
     private readonly Dictionary<Type, object> _entityModelBuilders;
 
-    private static readonly object SyncObj = new object();
+    private static readonly object SyncObj = new();
 
     public MongoModelBuilder()
     {
diff --git a/framework/src/Volo.Abp.Specifications/Volo/Abp/Specifications/ParameterRebinder.cs b/framework/src/Volo.Abp.Specifications/Volo/Abp/Specifications/ParameterRebinder.cs
index d3553369b8..be0d8ab3e9 100644
--- a/framework/src/Volo.Abp.Specifications/Volo/Abp/Specifications/ParameterRebinder.cs
+++ b/framework/src/Volo.Abp.Specifications/Volo/Abp/Specifications/ParameterRebinder.cs
@@ -15,7 +15,7 @@ internal class ParameterRebinder : ExpressionVisitor
 
     internal ParameterRebinder(Dictionary<ParameterExpression, ParameterExpression> map)
     {
-        _map = map ?? new Dictionary<ParameterExpression, ParameterExpression>();
+        _map = map ?? [];
     }
 
     internal static Expression ReplaceParameters(Dictionary<ParameterExpression, ParameterExpression> map,
diff --git a/framework/test/Volo.Abp.MultiLingualObjects.Tests/Volo/Abp/MultiLingualObjects/MultiLingualObjectManager_Tests.cs b/framework/test/Volo.Abp.MultiLingualObjects.Tests/Volo/Abp/MultiLingualObjects/MultiLingualObjectManager_Tests.cs
index e442d80953..6b18822df3 100644
--- a/framework/test/Volo.Abp.MultiLingualObjects.Tests/Volo/Abp/MultiLingualObjects/MultiLingualObjectManager_Tests.cs
+++ b/framework/test/Volo.Abp.MultiLingualObjects.Tests/Volo/Abp/MultiLingualObjects/MultiLingualObjectManager_Tests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -18,12 +19,12 @@ public class MultiLingualObjectManager_Tests : AbpIntegratedTest<AbpMultiLingual
     private readonly MultiLingualBook _book;
     private readonly List<MultiLingualBook> _books;
     private readonly IMapperAccessor _mapperAccessor;
-    private readonly Dictionary<string, string> _testTranslations = new()
+    private readonly FrozenDictionary<string, string> _testTranslations = new Dictionary<string, string>()
     {
         ["ar"] = "C# التعمق في",
         ["zh-Hans"] = "深入理解C#",
         ["en"] = "C# in Depth"
-    };
+    }.ToFrozenDictionary();
 
     public MultiLingualObjectManager_Tests()
     {
diff --git a/modules/docs/app/VoloDocs.Web/Pages/Error.cshtml.cs b/modules/docs/app/VoloDocs.Web/Pages/Error.cshtml.cs
index 5e5c4f639b..88ed671381 100644
--- a/modules/docs/app/VoloDocs.Web/Pages/Error.cshtml.cs
+++ b/modules/docs/app/VoloDocs.Web/Pages/Error.cshtml.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Net;
 using Microsoft.AspNetCore.Diagnostics;
@@ -48,7 +49,7 @@ namespace VoloDocs.Web.Pages
 
         #region Error Messages
         /*For more ASCII arts http://patorjk.com/software/taag/#p=display&h=0&f=Big&t=400*/
-        private readonly Dictionary<int, string> _errorMessages = new Dictionary<int, string>
+        private readonly FrozenDictionary<int, string> _errorMessages = new Dictionary<int, string>
         {
             {
                 400, @"
@@ -131,7 +132,7 @@ Ooops! Our server is experiencing a mild case of the hiccups."
 
 Looks like we're having some server issues."
             }
-        };
+        }.ToFrozenDictionary();
         #endregion
     }
 }
\ No newline at end of file