diff --git a/BililiveRecorder.Core/Api/BilibiliApiResponse.cs b/BililiveRecorder.Core/Api/BilibiliApiResponse.cs
index 44b282a..0a69929 100644
--- a/BililiveRecorder.Core/Api/BilibiliApiResponse.cs
+++ b/BililiveRecorder.Core/Api/BilibiliApiResponse.cs
@@ -2,7 +2,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Api
 {
-    public class BilibiliApiResponse<T> where T : class
+    internal class BilibiliApiResponse<T> where T : class
     {
         [JsonProperty("code")]
         public int? Code { get; set; }
diff --git a/BililiveRecorder.Core/Api/BilibiliApiResponseCodeNotZeroException.cs b/BililiveRecorder.Core/Api/BilibiliApiResponseCodeNotZeroException.cs
index 991e58b..543057e 100644
--- a/BililiveRecorder.Core/Api/BilibiliApiResponseCodeNotZeroException.cs
+++ b/BililiveRecorder.Core/Api/BilibiliApiResponseCodeNotZeroException.cs
@@ -3,7 +3,7 @@ using System.Runtime.Serialization;
 
 namespace BililiveRecorder.Core.Api
 {
-    public class BilibiliApiResponseCodeNotZeroException : Exception
+    internal class BilibiliApiResponseCodeNotZeroException : Exception
     {
         public BilibiliApiResponseCodeNotZeroException() { }
         public BilibiliApiResponseCodeNotZeroException(string message) : base(message) { }
diff --git a/BililiveRecorder.Core/Api/Danmaku/DanmakuClient.cs b/BililiveRecorder.Core/Api/Danmaku/DanmakuClient.cs
index 0a0c5e1..2b79a92 100644
--- a/BililiveRecorder.Core/Api/Danmaku/DanmakuClient.cs
+++ b/BililiveRecorder.Core/Api/Danmaku/DanmakuClient.cs
@@ -17,7 +17,7 @@ using Timer = System.Timers.Timer;
 
 namespace BililiveRecorder.Core.Api.Danmaku
 {
-    public class DanmakuClient : IDanmakuClient, IDisposable
+    internal class DanmakuClient : IDanmakuClient, IDisposable
     {
         private readonly ILogger logger;
         private readonly IDanmakuServerApiClient apiClient;
diff --git a/BililiveRecorder.Core/Api/Danmaku/DanmakuModel.cs b/BililiveRecorder.Core/Api/Danmaku/DanmakuModel.cs
index 6797a78..58aea37 100644
--- a/BililiveRecorder.Core/Api/Danmaku/DanmakuModel.cs
+++ b/BililiveRecorder.Core/Api/Danmaku/DanmakuModel.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json.Linq;
 #nullable enable
 namespace BililiveRecorder.Core.Api.Danmaku
 {
-    public enum DanmakuMsgType
+    internal enum DanmakuMsgType
     {
         /// <summary>
         /// 彈幕
@@ -39,7 +39,7 @@ namespace BililiveRecorder.Core.Api.Danmaku
         RoomChange
     }
 
-    public class DanmakuModel
+    internal class DanmakuModel
     {
         /// <summary>
         /// 消息類型
diff --git a/BililiveRecorder.Core/Api/Danmaku/DanmakuReceivedEventArgs.cs b/BililiveRecorder.Core/Api/Danmaku/DanmakuReceivedEventArgs.cs
index 7532659..01ed05d 100644
--- a/BililiveRecorder.Core/Api/Danmaku/DanmakuReceivedEventArgs.cs
+++ b/BililiveRecorder.Core/Api/Danmaku/DanmakuReceivedEventArgs.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace BililiveRecorder.Core.Api.Danmaku
 {
-    public class DanmakuReceivedEventArgs : EventArgs
+    internal class DanmakuReceivedEventArgs : EventArgs
     {
         public readonly DanmakuModel Danmaku;
 
diff --git a/BililiveRecorder.Core/Api/Danmaku/StatusChangedEventArgs.cs b/BililiveRecorder.Core/Api/Danmaku/StatusChangedEventArgs.cs
index b8b22c4..4a4db23 100644
--- a/BililiveRecorder.Core/Api/Danmaku/StatusChangedEventArgs.cs
+++ b/BililiveRecorder.Core/Api/Danmaku/StatusChangedEventArgs.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 
 namespace BililiveRecorder.Core.Api.Danmaku
 {
-    public class StatusChangedEventArgs : EventArgs
+    internal class StatusChangedEventArgs : EventArgs
     {
         public static readonly StatusChangedEventArgs True = new StatusChangedEventArgs
         {
diff --git a/BililiveRecorder.Core/Api/Http/HttpApiClient.cs b/BililiveRecorder.Core/Api/Http/HttpApiClient.cs
index 126f6db..201f321 100644
--- a/BililiveRecorder.Core/Api/Http/HttpApiClient.cs
+++ b/BililiveRecorder.Core/Api/Http/HttpApiClient.cs
@@ -11,7 +11,7 @@ using Newtonsoft.Json.Linq;
 
 namespace BililiveRecorder.Core.Api.Http
 {
-    public class HttpApiClient : IApiClient, IDanmakuServerApiClient
+    internal class HttpApiClient : IApiClient, IDanmakuServerApiClient, IHttpClientAccessor
     {
         private const string HttpHeaderAccept = "application/json, text/javascript, */*; q=0.01";
         private const string HttpHeaderOrigin = "https://live.bilibili.com";
diff --git a/BililiveRecorder.Core/Api/Http412Exception.cs b/BililiveRecorder.Core/Api/Http412Exception.cs
index 008dc4d..7ee5257 100644
--- a/BililiveRecorder.Core/Api/Http412Exception.cs
+++ b/BililiveRecorder.Core/Api/Http412Exception.cs
@@ -3,7 +3,7 @@ using System.Runtime.Serialization;
 
 namespace BililiveRecorder.Core.Api
 {
-    public class Http412Exception : Exception
+    internal class Http412Exception : Exception
     {
         public Http412Exception() { }
         public Http412Exception(string message) : base(message) { }
diff --git a/BililiveRecorder.Core/Api/IApiClient.cs b/BililiveRecorder.Core/Api/IApiClient.cs
index 602a994..956e82f 100644
--- a/BililiveRecorder.Core/Api/IApiClient.cs
+++ b/BililiveRecorder.Core/Api/IApiClient.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Api.Model;
 
 namespace BililiveRecorder.Core.Api
 {
-    public interface IApiClient : IDisposable
+    internal interface IApiClient : IDisposable
     {
         Task<BilibiliApiResponse<RoomInfo>> GetRoomInfoAsync(int roomid);
         Task<BilibiliApiResponse<RoomPlayInfo>> GetStreamUrlAsync(int roomid, int qn);
diff --git a/BililiveRecorder.Core/Api/IApiClientExtensions.cs b/BililiveRecorder.Core/Api/IApiClientExtensions.cs
index 453cbce..ed29035 100644
--- a/BililiveRecorder.Core/Api/IApiClientExtensions.cs
+++ b/BililiveRecorder.Core/Api/IApiClientExtensions.cs
@@ -5,7 +5,7 @@ using static BililiveRecorder.Core.Api.Model.RoomPlayInfo;
 
 namespace BililiveRecorder.Core.Api
 {
-    public static class IApiClientExtensions
+    internal static class IApiClientExtensions
     {
         public static async Task<CodecItem?> GetCodecItemInStreamUrlAsync(this IApiClient apiClient, int roomid, int qn)
         {
diff --git a/BililiveRecorder.Core/Api/IDanmakuClient.cs b/BililiveRecorder.Core/Api/IDanmakuClient.cs
index dc0d215..31546f2 100644
--- a/BililiveRecorder.Core/Api/IDanmakuClient.cs
+++ b/BililiveRecorder.Core/Api/IDanmakuClient.cs
@@ -5,7 +5,7 @@ using BililiveRecorder.Core.Api.Danmaku;
 
 namespace BililiveRecorder.Core.Api
 {
-    public interface IDanmakuClient : IDisposable
+    internal interface IDanmakuClient : IDisposable
     {
         bool Connected { get; }
 
diff --git a/BililiveRecorder.Core/Api/IDanmakuServerApiClient.cs b/BililiveRecorder.Core/Api/IDanmakuServerApiClient.cs
index 61b9df5..eddfeb5 100644
--- a/BililiveRecorder.Core/Api/IDanmakuServerApiClient.cs
+++ b/BililiveRecorder.Core/Api/IDanmakuServerApiClient.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Api.Model;
 
 namespace BililiveRecorder.Core.Api
 {
-    public interface IDanmakuServerApiClient : IDisposable
+    internal interface IDanmakuServerApiClient : IDisposable
     {
         Task<BilibiliApiResponse<DanmuInfo>> GetDanmakuServerAsync(int roomid);
     }
diff --git a/BililiveRecorder.Core/Api/IHttpClientAccessor.cs b/BililiveRecorder.Core/Api/IHttpClientAccessor.cs
new file mode 100644
index 0000000..83db85a
--- /dev/null
+++ b/BililiveRecorder.Core/Api/IHttpClientAccessor.cs
@@ -0,0 +1,9 @@
+using System.Net.Http;
+
+namespace BililiveRecorder.Core.Api
+{
+    public interface IHttpClientAccessor
+    {
+        HttpClient MainHttpClient { get; }
+    }
+}
diff --git a/BililiveRecorder.Core/Api/Model/DanmuInfo.cs b/BililiveRecorder.Core/Api/Model/DanmuInfo.cs
index 61e50c2..25b0c79 100644
--- a/BililiveRecorder.Core/Api/Model/DanmuInfo.cs
+++ b/BililiveRecorder.Core/Api/Model/DanmuInfo.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Api.Model
 {
-    public class DanmuInfo
+    internal class DanmuInfo
     {
         [JsonProperty("host_list")]
         public HostListItem[] HostList { get; set; } = Array.Empty<HostListItem>();
diff --git a/BililiveRecorder.Core/Api/Model/RoomInfo.cs b/BililiveRecorder.Core/Api/Model/RoomInfo.cs
index 2362324..af77b01 100644
--- a/BililiveRecorder.Core/Api/Model/RoomInfo.cs
+++ b/BililiveRecorder.Core/Api/Model/RoomInfo.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json.Linq;
 
 namespace BililiveRecorder.Core.Api.Model
 {
-    public class RoomInfo
+    internal class RoomInfo
     {
         [JsonProperty("room_info")]
         public InnerRoomInfo Room { get; set; } = new InnerRoomInfo();
diff --git a/BililiveRecorder.Core/Api/Model/RoomPlayInfo.cs b/BililiveRecorder.Core/Api/Model/RoomPlayInfo.cs
index 7442fc3..de917b1 100644
--- a/BililiveRecorder.Core/Api/Model/RoomPlayInfo.cs
+++ b/BililiveRecorder.Core/Api/Model/RoomPlayInfo.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Api.Model
 {
-    public class RoomPlayInfo
+    internal class RoomPlayInfo
     {
         [JsonProperty("live_status")]
         public int LiveStatus { get; set; }
diff --git a/BililiveRecorder.Core/Api/Model/UserInfo.cs b/BililiveRecorder.Core/Api/Model/UserInfo.cs
index a1dac23..d25262d 100644
--- a/BililiveRecorder.Core/Api/Model/UserInfo.cs
+++ b/BililiveRecorder.Core/Api/Model/UserInfo.cs
@@ -2,7 +2,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Api.Model
 {
-    public class UserInfo
+    internal class UserInfo
     {
         [JsonProperty("info")]
         public InfoClass? Info { get; set; }
diff --git a/BililiveRecorder.Core/Api/ModelExtensions.cs b/BililiveRecorder.Core/Api/ModelExtensions.cs
index 13b813e..2f6bd4e 100644
--- a/BililiveRecorder.Core/Api/ModelExtensions.cs
+++ b/BililiveRecorder.Core/Api/ModelExtensions.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Api.Model;
 
 namespace BililiveRecorder.Core.Api
 {
-    public static class ModelExtensions
+    internal static class ModelExtensions
     {
         private static readonly Random random = new Random();
 
diff --git a/BililiveRecorder.Core/Api/PolicyWrappedApiClient.cs b/BililiveRecorder.Core/Api/PolicyWrappedApiClient.cs
index 7baed49..7a11f86 100644
--- a/BililiveRecorder.Core/Api/PolicyWrappedApiClient.cs
+++ b/BililiveRecorder.Core/Api/PolicyWrappedApiClient.cs
@@ -6,7 +6,7 @@ using Polly.Registry;
 
 namespace BililiveRecorder.Core.Api
 {
-    public class PolicyWrappedApiClient<T> : IApiClient, IDanmakuServerApiClient, IDisposable where T : class, IApiClient, IDanmakuServerApiClient, IDisposable
+    internal class PolicyWrappedApiClient<T> : IApiClient, IDanmakuServerApiClient, IDisposable where T : class, IApiClient, IDanmakuServerApiClient, IDisposable
     {
         private readonly T client;
         private readonly IReadOnlyPolicyRegistry<string> policies;
diff --git a/BililiveRecorder.Core/Config/V1/ConfigV1.cs b/BililiveRecorder.Core/Config/V1/ConfigV1.cs
index f44c151..162fc81 100644
--- a/BililiveRecorder.Core/Config/V1/ConfigV1.cs
+++ b/BililiveRecorder.Core/Config/V1/ConfigV1.cs
@@ -9,7 +9,7 @@ namespace BililiveRecorder.Core.Config.V1
 {
     [Obsolete]
     [JsonObject(memberSerialization: MemberSerialization.OptIn)]
-    public class ConfigV1 : INotifyPropertyChanged
+    internal class ConfigV1 : INotifyPropertyChanged
     {
         //private static readonly Logger logger = LogManager.GetCurrentClassLogger();
 
diff --git a/BililiveRecorder.Core/Config/V1/RoomV1.cs b/BililiveRecorder.Core/Config/V1/RoomV1.cs
index d322878..c42bf78 100644
--- a/BililiveRecorder.Core/Config/V1/RoomV1.cs
+++ b/BililiveRecorder.Core/Config/V1/RoomV1.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json;
 namespace BililiveRecorder.Core.Config.V1
 {
     [JsonObject(MemberSerialization = MemberSerialization.OptIn)]
-    public class RoomV1
+    internal class RoomV1
     {
         [JsonProperty("id")]
         public int Roomid { get; set; }
diff --git a/BililiveRecorder.Core/Config/V2/Config.gen.cs b/BililiveRecorder.Core/Config/V2/Config.gen.cs
index bbd44bc..d3621ea 100644
--- a/BililiveRecorder.Core/Config/V2/Config.gen.cs
+++ b/BililiveRecorder.Core/Config/V2/Config.gen.cs
@@ -11,7 +11,7 @@ using Newtonsoft.Json;
 namespace BililiveRecorder.Core.Config.V2
 {
     [JsonObject(MemberSerialization.OptIn)]
-    public sealed partial class RoomConfig : HierarchicalObject<GlobalConfig, RoomConfig>
+    internal sealed partial class RoomConfig : HierarchicalObject<GlobalConfig, RoomConfig>
     {
         /// <summary>
         /// 房间号
@@ -169,7 +169,7 @@ namespace BililiveRecorder.Core.Config.V2
     }
 
     [JsonObject(MemberSerialization.OptIn)]
-    public sealed partial class GlobalConfig : HierarchicalObject<DefaultConfig, GlobalConfig>
+    internal sealed partial class GlobalConfig : HierarchicalObject<DefaultConfig, GlobalConfig>
     {
         /// <summary>
         /// 录制模式
@@ -349,7 +349,7 @@ namespace BililiveRecorder.Core.Config.V2
 
     }
 
-    public sealed partial class DefaultConfig
+    internal sealed partial class DefaultConfig
     {
         public static readonly DefaultConfig Instance = new DefaultConfig();
         private DefaultConfig() { }
diff --git a/BililiveRecorder.Core/Config/V2/ConfigV2.cs b/BililiveRecorder.Core/Config/V2/ConfigV2.cs
index da9b1ab..bd7fb99 100644
--- a/BililiveRecorder.Core/Config/V2/ConfigV2.cs
+++ b/BililiveRecorder.Core/Config/V2/ConfigV2.cs
@@ -6,7 +6,7 @@ using Newtonsoft.Json;
 namespace BililiveRecorder.Core.Config.V2
 {
     [Obsolete("Use Config v3")]
-    public class ConfigV2 : ConfigBase
+    internal class ConfigV2 : ConfigBase
     {
         public override int Version => 2;
 
@@ -21,7 +21,7 @@ namespace BililiveRecorder.Core.Config.V2
     }
 
     [Obsolete("Use Config v3")]
-    public partial class RoomConfig
+    internal partial class RoomConfig
     {
         public RoomConfig() : base(x => x.AutoMap(p => new[] { "Has" + p.Name }))
         { }
@@ -32,7 +32,7 @@ namespace BililiveRecorder.Core.Config.V2
     }
 
     [Obsolete("Use Config v3")]
-    public partial class GlobalConfig
+    internal partial class GlobalConfig
     {
         public GlobalConfig() : base(x => x.AutoMap(p => new[] { "Has" + p.Name }))
         {
diff --git a/BililiveRecorder.Core/Config/V3/ConfigV3.cs b/BililiveRecorder.Core/Config/V3/ConfigV3.cs
index 64508f0..d6834cf 100644
--- a/BililiveRecorder.Core/Config/V3/ConfigV3.cs
+++ b/BililiveRecorder.Core/Config/V3/ConfigV3.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 #nullable enable
 namespace BililiveRecorder.Core.Config.V3
 {
-    public class ConfigV3 : ConfigBase
+    public sealed class ConfigV3 : ConfigBase
     {
         public override int Version => 3;
 
diff --git a/BililiveRecorder.Core/Danmaku/BasicDanmakuWriter.cs b/BililiveRecorder.Core/Danmaku/BasicDanmakuWriter.cs
index c3b2415..f689b5a 100644
--- a/BililiveRecorder.Core/Danmaku/BasicDanmakuWriter.cs
+++ b/BililiveRecorder.Core/Danmaku/BasicDanmakuWriter.cs
@@ -12,7 +12,7 @@ using Serilog;
 #nullable enable
 namespace BililiveRecorder.Core.Danmaku
 {
-    public class BasicDanmakuWriter : IBasicDanmakuWriter
+    internal class BasicDanmakuWriter : IBasicDanmakuWriter
     {
         private static readonly XmlWriterSettings xmlWriterSettings = new XmlWriterSettings
         {
diff --git a/BililiveRecorder.Core/Danmaku/IBasicDanmakuWriter.cs b/BililiveRecorder.Core/Danmaku/IBasicDanmakuWriter.cs
index d6ccbc4..d412e33 100644
--- a/BililiveRecorder.Core/Danmaku/IBasicDanmakuWriter.cs
+++ b/BililiveRecorder.Core/Danmaku/IBasicDanmakuWriter.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Api.Danmaku;
 
 namespace BililiveRecorder.Core.Danmaku
 {
-    public interface IBasicDanmakuWriter : IDisposable
+    internal interface IBasicDanmakuWriter : IDisposable
     {
         void Disable();
         void EnableWithPath(string path, IRoom room);
diff --git a/BililiveRecorder.Core/DependencyInjectionExtensions.cs b/BililiveRecorder.Core/DependencyInjectionExtensions.cs
index 32a8a70..4c3c7c8 100644
--- a/BililiveRecorder.Core/DependencyInjectionExtensions.cs
+++ b/BililiveRecorder.Core/DependencyInjectionExtensions.cs
@@ -38,6 +38,7 @@ namespace BililiveRecorder.DependencyInjection
 
         public static IServiceCollection AddRecorderApiClients(this IServiceCollection services) => services
             .AddSingleton<HttpApiClient>()
+            .AddSingleton<IHttpClientAccessor>(sp => sp.GetRequiredService<HttpApiClient>())
             .AddSingleton<PolicyWrappedApiClient<HttpApiClient>>()
             .AddSingleton<IApiClient>(sp => sp.GetRequiredService<PolicyWrappedApiClient<HttpApiClient>>())
             .AddSingleton<IDanmakuServerApiClient>(sp => sp.GetRequiredService<PolicyWrappedApiClient<HttpApiClient>>())
diff --git a/BililiveRecorder.Core/Event/AggregatedRoomEventArgs.cs b/BililiveRecorder.Core/Event/AggregatedRoomEventArgs.cs
index 4f69277..dd78f28 100644
--- a/BililiveRecorder.Core/Event/AggregatedRoomEventArgs.cs
+++ b/BililiveRecorder.Core/Event/AggregatedRoomEventArgs.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace BililiveRecorder.Core.Event
 {
-    public class AggregatedRoomEventArgs<T>
+    public sealed class AggregatedRoomEventArgs<T>
     {
         public AggregatedRoomEventArgs(IRoom room, T @event)
         {
diff --git a/BililiveRecorder.Core/Event/IOStatsEventArgs.cs b/BililiveRecorder.Core/Event/IOStatsEventArgs.cs
index 11fa4a2..40b08ef 100644
--- a/BililiveRecorder.Core/Event/IOStatsEventArgs.cs
+++ b/BililiveRecorder.Core/Event/IOStatsEventArgs.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace BililiveRecorder.Core.Event
 {
-    public class IOStatsEventArgs : EventArgs
+    public sealed class IOStatsEventArgs : EventArgs
     {
         /// <summary>
         /// 当前统计区间的开始时间
diff --git a/BililiveRecorder.Core/Event/RecordFileClosedEventArgs.cs b/BililiveRecorder.Core/Event/RecordFileClosedEventArgs.cs
index 550fab2..907f50e 100644
--- a/BililiveRecorder.Core/Event/RecordFileClosedEventArgs.cs
+++ b/BililiveRecorder.Core/Event/RecordFileClosedEventArgs.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Event
 {
-    public class RecordFileClosedEventArgs : RecordEventArgsBase
+    public sealed class RecordFileClosedEventArgs : RecordEventArgsBase
     {
         public RecordFileClosedEventArgs() { }
 
diff --git a/BililiveRecorder.Core/Event/RecordFileOpeningEventArgs.cs b/BililiveRecorder.Core/Event/RecordFileOpeningEventArgs.cs
index 9af9076..bd4b8f7 100644
--- a/BililiveRecorder.Core/Event/RecordFileOpeningEventArgs.cs
+++ b/BililiveRecorder.Core/Event/RecordFileOpeningEventArgs.cs
@@ -3,7 +3,7 @@ using Newtonsoft.Json;
 
 namespace BililiveRecorder.Core.Event
 {
-    public class RecordFileOpeningEventArgs : RecordEventArgsBase
+    public sealed class RecordFileOpeningEventArgs : RecordEventArgsBase
     {
         public RecordFileOpeningEventArgs() { }
 
diff --git a/BililiveRecorder.Core/Event/RecordSessionEndedEventArgs.cs b/BililiveRecorder.Core/Event/RecordSessionEndedEventArgs.cs
index fcc1ade..559ceb4 100644
--- a/BililiveRecorder.Core/Event/RecordSessionEndedEventArgs.cs
+++ b/BililiveRecorder.Core/Event/RecordSessionEndedEventArgs.cs
@@ -1,6 +1,6 @@
 namespace BililiveRecorder.Core.Event
 {
-    public class RecordSessionEndedEventArgs : RecordEventArgsBase
+    public sealed class RecordSessionEndedEventArgs : RecordEventArgsBase
     {
         public RecordSessionEndedEventArgs() { }
 
diff --git a/BililiveRecorder.Core/Event/RecordSessionStartedEventArgs.cs b/BililiveRecorder.Core/Event/RecordSessionStartedEventArgs.cs
index 16cb663..c9c6aef 100644
--- a/BililiveRecorder.Core/Event/RecordSessionStartedEventArgs.cs
+++ b/BililiveRecorder.Core/Event/RecordSessionStartedEventArgs.cs
@@ -1,6 +1,6 @@
 namespace BililiveRecorder.Core.Event
 {
-    public class RecordSessionStartedEventArgs : RecordEventArgsBase
+    public sealed class RecordSessionStartedEventArgs : RecordEventArgsBase
     {
         public RecordSessionStartedEventArgs() { }
 
diff --git a/BililiveRecorder.Core/Event/RecordingStatsEventArgs.cs b/BililiveRecorder.Core/Event/RecordingStatsEventArgs.cs
index 3107b6f..1d071de 100644
--- a/BililiveRecorder.Core/Event/RecordingStatsEventArgs.cs
+++ b/BililiveRecorder.Core/Event/RecordingStatsEventArgs.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace BililiveRecorder.Core.Event
 {
-    public class RecordingStatsEventArgs : EventArgs
+    public sealed class RecordingStatsEventArgs : EventArgs
     {
         /// <summary>
         /// 从录制开始到现在一共经过的时间，毫秒
diff --git a/BililiveRecorder.Core/IRoomFactory.cs b/BililiveRecorder.Core/IRoomFactory.cs
index 717f28e..3595c5e 100644
--- a/BililiveRecorder.Core/IRoomFactory.cs
+++ b/BililiveRecorder.Core/IRoomFactory.cs
@@ -2,7 +2,7 @@ using BililiveRecorder.Core.Config.V3;
 
 namespace BililiveRecorder.Core
 {
-    public interface IRoomFactory
+    internal interface IRoomFactory
     {
         IRoom CreateRoom(RoomConfig roomConfig, int initDelayFactor);
     }
diff --git a/BililiveRecorder.Core/LoggingContext.cs b/BililiveRecorder.Core/LoggingContext.cs
index ae86e8c..18a1a21 100644
--- a/BililiveRecorder.Core/LoggingContext.cs
+++ b/BililiveRecorder.Core/LoggingContext.cs
@@ -1,6 +1,6 @@
 namespace BililiveRecorder.Core
 {
-    public class LoggingContext
+    public static class LoggingContext
     {
         public const string RoomId = nameof(RoomId);
     }
diff --git a/BililiveRecorder.Core/NoMatchingQnValueException.cs b/BililiveRecorder.Core/NoMatchingQnValueException.cs
index 22e8e52..fdefdd6 100644
--- a/BililiveRecorder.Core/NoMatchingQnValueException.cs
+++ b/BililiveRecorder.Core/NoMatchingQnValueException.cs
@@ -3,22 +3,11 @@ using System.Runtime.Serialization;
 
 namespace BililiveRecorder.Core
 {
-    public class NoMatchingQnValueException : Exception
+    internal class NoMatchingQnValueException : Exception
     {
-        public NoMatchingQnValueException()
-        {
-        }
-
-        public NoMatchingQnValueException(string message) : base(message)
-        {
-        }
-
-        public NoMatchingQnValueException(string message, Exception innerException) : base(message, innerException)
-        {
-        }
-
-        protected NoMatchingQnValueException(SerializationInfo info, StreamingContext context) : base(info, context)
-        {
-        }
+        public NoMatchingQnValueException() { }
+        public NoMatchingQnValueException(string message) : base(message) { }
+        public NoMatchingQnValueException(string message, Exception innerException) : base(message, innerException) { }
+        protected NoMatchingQnValueException(SerializationInfo info, StreamingContext context) : base(info, context) { }
     }
 }
diff --git a/BililiveRecorder.Core/PollyPolicy.cs b/BililiveRecorder.Core/PollyPolicy.cs
index 3a71189..932f6e5 100644
--- a/BililiveRecorder.Core/PollyPolicy.cs
+++ b/BililiveRecorder.Core/PollyPolicy.cs
@@ -15,7 +15,7 @@ namespace BililiveRecorder.Core
     {
         private static readonly ILogger logger = Log.ForContext<PollyPolicy>();
 
-        public PollyPolicy()
+        internal PollyPolicy()
         {
             this.IpBlockedHttp412CircuitBreakerPolicy = Policy
                 .Handle<Http412Exception>()
diff --git a/BililiveRecorder.Core/ProcessingRules/SplitRule.cs b/BililiveRecorder.Core/ProcessingRules/SplitRule.cs
index a9319df..69a9646 100644
--- a/BililiveRecorder.Core/ProcessingRules/SplitRule.cs
+++ b/BililiveRecorder.Core/ProcessingRules/SplitRule.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Flv.Pipeline.Actions;
 
 namespace BililiveRecorder.Core.ProcessingRules
 {
-    public class SplitRule : ISimpleProcessingRule
+    internal class SplitRule : ISimpleProcessingRule
     {
         // 0 = none, 1 = after, 2 = before
         private int splitFlag = 0;
diff --git a/BililiveRecorder.Core/ProcessingRules/StatsRule.cs b/BililiveRecorder.Core/ProcessingRules/StatsRule.cs
index 1fbfb72..7f02668 100644
--- a/BililiveRecorder.Core/ProcessingRules/StatsRule.cs
+++ b/BililiveRecorder.Core/ProcessingRules/StatsRule.cs
@@ -9,7 +9,7 @@ using StructLinq;
 
 namespace BililiveRecorder.Core.ProcessingRules
 {
-    public class StatsRule : ISimpleProcessingRule
+    internal class StatsRule : ISimpleProcessingRule
     {
         public const string SkipStatsKey = nameof(SkipStatsKey);
 
diff --git a/BililiveRecorder.Core/Recorder.cs b/BililiveRecorder.Core/Recorder.cs
index 1b280b9..13032c0 100644
--- a/BililiveRecorder.Core/Recorder.cs
+++ b/BililiveRecorder.Core/Recorder.cs
@@ -11,7 +11,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core
 {
-    public class Recorder : IRecorder
+    internal class Recorder : IRecorder
     {
         private readonly object lockObject = new object();
         private readonly ObservableCollection<IRoom> roomCollection;
diff --git a/BililiveRecorder.Core/Recording/FlvProcessingContextWriterWithFileWriterFactory.cs b/BililiveRecorder.Core/Recording/FlvProcessingContextWriterWithFileWriterFactory.cs
index cb26ff4..301747c 100644
--- a/BililiveRecorder.Core/Recording/FlvProcessingContextWriterWithFileWriterFactory.cs
+++ b/BililiveRecorder.Core/Recording/FlvProcessingContextWriterWithFileWriterFactory.cs
@@ -6,7 +6,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class FlvProcessingContextWriterWithFileWriterFactory : IFlvProcessingContextWriterFactory
+    internal class FlvProcessingContextWriterWithFileWriterFactory : IFlvProcessingContextWriterFactory
     {
         private readonly IServiceProvider serviceProvider;
 
diff --git a/BililiveRecorder.Core/Recording/FlvTagReaderFactory.cs b/BililiveRecorder.Core/Recording/FlvTagReaderFactory.cs
index 524dde4..4869e7e 100644
--- a/BililiveRecorder.Core/Recording/FlvTagReaderFactory.cs
+++ b/BililiveRecorder.Core/Recording/FlvTagReaderFactory.cs
@@ -7,7 +7,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class FlvTagReaderFactory : IFlvTagReaderFactory
+    internal class FlvTagReaderFactory : IFlvTagReaderFactory
     {
         private readonly IServiceProvider serviceProvider;
 
diff --git a/BililiveRecorder.Core/Recording/IFlvProcessingContextWriterFactory.cs b/BililiveRecorder.Core/Recording/IFlvProcessingContextWriterFactory.cs
index c42deb5..496b47f 100644
--- a/BililiveRecorder.Core/Recording/IFlvProcessingContextWriterFactory.cs
+++ b/BililiveRecorder.Core/Recording/IFlvProcessingContextWriterFactory.cs
@@ -2,7 +2,7 @@ using BililiveRecorder.Flv;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public interface IFlvProcessingContextWriterFactory
+    internal interface IFlvProcessingContextWriterFactory
     {
         IFlvProcessingContextWriter CreateWriter(IFlvWriterTargetProvider targetProvider);
     }
diff --git a/BililiveRecorder.Core/Recording/IFlvTagReaderFactory.cs b/BililiveRecorder.Core/Recording/IFlvTagReaderFactory.cs
index e3e818f..1a84ded 100644
--- a/BililiveRecorder.Core/Recording/IFlvTagReaderFactory.cs
+++ b/BililiveRecorder.Core/Recording/IFlvTagReaderFactory.cs
@@ -3,7 +3,7 @@ using BililiveRecorder.Flv;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public interface IFlvTagReaderFactory
+    internal interface IFlvTagReaderFactory
     {
         IFlvTagReader CreateFlvTagReader(PipeReader pipeReader);
     }
diff --git a/BililiveRecorder.Core/Recording/IRecordTask.cs b/BililiveRecorder.Core/Recording/IRecordTask.cs
index 84577cc..15f50a7 100644
--- a/BililiveRecorder.Core/Recording/IRecordTask.cs
+++ b/BililiveRecorder.Core/Recording/IRecordTask.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Event;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public interface IRecordTask
+    internal interface IRecordTask
     {
         Guid SessionId { get; }
 
diff --git a/BililiveRecorder.Core/Recording/IRecordTaskFactory.cs b/BililiveRecorder.Core/Recording/IRecordTaskFactory.cs
index a2f4d69..ab0388d 100644
--- a/BililiveRecorder.Core/Recording/IRecordTaskFactory.cs
+++ b/BililiveRecorder.Core/Recording/IRecordTaskFactory.cs
@@ -1,6 +1,6 @@
 namespace BililiveRecorder.Core.Recording
 {
-    public interface IRecordTaskFactory
+    internal interface IRecordTaskFactory
     {
         IRecordTask CreateRecordTask(IRoom room);
     }
diff --git a/BililiveRecorder.Core/Recording/ITagGroupReaderFactory.cs b/BililiveRecorder.Core/Recording/ITagGroupReaderFactory.cs
index efddab4..2c9779e 100644
--- a/BililiveRecorder.Core/Recording/ITagGroupReaderFactory.cs
+++ b/BililiveRecorder.Core/Recording/ITagGroupReaderFactory.cs
@@ -2,7 +2,7 @@ using BililiveRecorder.Flv;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public interface ITagGroupReaderFactory
+    internal interface ITagGroupReaderFactory
     {
         ITagGroupReader CreateTagGroupReader(IFlvTagReader flvTagReader);
     }
diff --git a/BililiveRecorder.Core/Recording/RawDataRecordTask.cs b/BililiveRecorder.Core/Recording/RawDataRecordTask.cs
index 971084d..f40e4be 100644
--- a/BililiveRecorder.Core/Recording/RawDataRecordTask.cs
+++ b/BililiveRecorder.Core/Recording/RawDataRecordTask.cs
@@ -10,7 +10,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class RawDataRecordTask : RecordTaskBase
+    internal class RawDataRecordTask : RecordTaskBase
     {
         private RecordFileOpeningEventArgs? fileOpeningEventArgs;
 
diff --git a/BililiveRecorder.Core/Recording/RecordTaskBase.cs b/BililiveRecorder.Core/Recording/RecordTaskBase.cs
index 330fa92..b0a1905 100644
--- a/BililiveRecorder.Core/Recording/RecordTaskBase.cs
+++ b/BililiveRecorder.Core/Recording/RecordTaskBase.cs
@@ -17,7 +17,7 @@ using Timer = System.Timers.Timer;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public abstract class RecordTaskBase : IRecordTask
+    internal abstract class RecordTaskBase : IRecordTask
     {
         private const string HttpHeaderAccept = "*/*";
         private const string HttpHeaderOrigin = "https://live.bilibili.com";
diff --git a/BililiveRecorder.Core/Recording/RecordTaskFactory.cs b/BililiveRecorder.Core/Recording/RecordTaskFactory.cs
index d4925d1..9e2aaf8 100644
--- a/BililiveRecorder.Core/Recording/RecordTaskFactory.cs
+++ b/BililiveRecorder.Core/Recording/RecordTaskFactory.cs
@@ -5,7 +5,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class RecordTaskFactory : IRecordTaskFactory
+    internal class RecordTaskFactory : IRecordTaskFactory
     {
         private readonly ILogger logger;
         private readonly IServiceProvider serviceProvider;
diff --git a/BililiveRecorder.Core/Recording/StandardRecordTask.cs b/BililiveRecorder.Core/Recording/StandardRecordTask.cs
index 5f37ffe..7a1a823 100644
--- a/BililiveRecorder.Core/Recording/StandardRecordTask.cs
+++ b/BililiveRecorder.Core/Recording/StandardRecordTask.cs
@@ -19,7 +19,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class StandardRecordTask : RecordTaskBase
+    internal class StandardRecordTask : RecordTaskBase
     {
         private readonly IFlvTagReaderFactory flvTagReaderFactory;
         private readonly ITagGroupReaderFactory tagGroupReaderFactory;
diff --git a/BililiveRecorder.Core/Recording/TagGroupReaderFactory.cs b/BililiveRecorder.Core/Recording/TagGroupReaderFactory.cs
index 081c21e..860ea79 100644
--- a/BililiveRecorder.Core/Recording/TagGroupReaderFactory.cs
+++ b/BililiveRecorder.Core/Recording/TagGroupReaderFactory.cs
@@ -3,7 +3,7 @@ using BililiveRecorder.Flv.Grouping;
 
 namespace BililiveRecorder.Core.Recording
 {
-    public class TagGroupReaderFactory : ITagGroupReaderFactory
+    internal class TagGroupReaderFactory : ITagGroupReaderFactory
     {
         public ITagGroupReader CreateTagGroupReader(IFlvTagReader flvTagReader) =>
             new TagGroupReader(flvTagReader);
diff --git a/BililiveRecorder.Core/RestartRecordingReason.cs b/BililiveRecorder.Core/RestartRecordingReason.cs
index ab4b70a..9a976dd 100644
--- a/BililiveRecorder.Core/RestartRecordingReason.cs
+++ b/BililiveRecorder.Core/RestartRecordingReason.cs
@@ -1,6 +1,6 @@
 namespace BililiveRecorder.Core
 {
-    public enum RestartRecordingReason
+    internal enum RestartRecordingReason
     {
         /// <summary>
         /// 普通重试
diff --git a/BililiveRecorder.Core/Room.cs b/BililiveRecorder.Core/Room.cs
index 5c191ba..7754b75 100644
--- a/BililiveRecorder.Core/Room.cs
+++ b/BililiveRecorder.Core/Room.cs
@@ -19,7 +19,7 @@ using Timer = System.Timers.Timer;
 
 namespace BililiveRecorder.Core
 {
-    public class Room : IRoom
+    internal class Room : IRoom
     {
         private readonly object recordStartLock = new object();
         private readonly SemaphoreSlim recordRetryDelaySemaphoreSlim = new SemaphoreSlim(1, 1);
@@ -51,7 +51,7 @@ namespace BililiveRecorder.Core
         private DateTimeOffset danmakuClientConnectTime;
         private static readonly TimeSpan danmakuClientReconnectNoDelay = TimeSpan.FromMinutes(1);
 
-        public Room(IServiceScope scope, RoomConfig roomConfig, int initDelayFactor, ILogger logger, IDanmakuClient danmakuClient, IApiClient apiClient, IBasicDanmakuWriter basicDanmakuWriter, IRecordTaskFactory recordTaskFactory)
+        internal Room(IServiceScope scope, RoomConfig roomConfig, int initDelayFactor, ILogger logger, IDanmakuClient danmakuClient, IApiClient apiClient, IBasicDanmakuWriter basicDanmakuWriter, IRecordTaskFactory recordTaskFactory)
         {
             this.scope = scope ?? throw new ArgumentNullException(nameof(scope));
             this.RoomConfig = roomConfig ?? throw new ArgumentNullException(nameof(roomConfig));
diff --git a/BililiveRecorder.Core/RoomFactory.cs b/BililiveRecorder.Core/RoomFactory.cs
index 5bad53a..30d8a16 100644
--- a/BililiveRecorder.Core/RoomFactory.cs
+++ b/BililiveRecorder.Core/RoomFactory.cs
@@ -4,7 +4,7 @@ using Microsoft.Extensions.DependencyInjection;
 
 namespace BililiveRecorder.Core
 {
-    public class RoomFactory : IRoomFactory
+    internal class RoomFactory : IRoomFactory
     {
         private readonly IServiceProvider serviceProvider;
 
diff --git a/BililiveRecorder.Core/Scripting/Runtime/JintConsole.cs b/BililiveRecorder.Core/Scripting/Runtime/JintConsole.cs
index a61c208..521ce19 100644
--- a/BililiveRecorder.Core/Scripting/Runtime/JintConsole.cs
+++ b/BililiveRecorder.Core/Scripting/Runtime/JintConsole.cs
@@ -15,7 +15,7 @@ using Serilog.Events;
 
 namespace BililiveRecorder.Core.Scripting.Runtime
 {
-    public class JintConsole : ObjectInstance
+    internal class JintConsole : ObjectInstance
     {
         private readonly ILogger logger;
 
diff --git a/BililiveRecorder.Core/Scripting/Runtime/JintDns.cs b/BililiveRecorder.Core/Scripting/Runtime/JintDns.cs
index cb70249..406c2af 100644
--- a/BililiveRecorder.Core/Scripting/Runtime/JintDns.cs
+++ b/BililiveRecorder.Core/Scripting/Runtime/JintDns.cs
@@ -10,7 +10,7 @@ using Jint.Runtime.Interop;
 
 namespace BililiveRecorder.Core.Scripting.Runtime
 {
-    public class JintDns : ObjectInstance
+    internal class JintDns : ObjectInstance
     {
         public JintDns(Engine engine) : base(engine)
         {
diff --git a/BililiveRecorder.Core/Scripting/Runtime/JintDotnet.cs b/BililiveRecorder.Core/Scripting/Runtime/JintDotnet.cs
index a296704..530e466 100644
--- a/BililiveRecorder.Core/Scripting/Runtime/JintDotnet.cs
+++ b/BililiveRecorder.Core/Scripting/Runtime/JintDotnet.cs
@@ -9,7 +9,7 @@ using Jint.Runtime.Interop;
 
 namespace BililiveRecorder.Core.Scripting.Runtime
 {
-    public class JintDotnet : ObjectInstance
+    internal class JintDotnet : ObjectInstance
     {
         public JintDotnet(Engine engine) : base(engine)
         {
diff --git a/BililiveRecorder.Core/Scripting/Runtime/JintFetchSync.cs b/BililiveRecorder.Core/Scripting/Runtime/JintFetchSync.cs
index f8f102f..518678a 100644
--- a/BililiveRecorder.Core/Scripting/Runtime/JintFetchSync.cs
+++ b/BililiveRecorder.Core/Scripting/Runtime/JintFetchSync.cs
@@ -9,7 +9,7 @@ using Jint.Runtime;
 
 namespace BililiveRecorder.Core.Scripting.Runtime
 {
-    public class JintFetchSync : FunctionInstance
+    internal class JintFetchSync : FunctionInstance
     {
         private static readonly JsString functionName = new JsString("fetchSync");
 
diff --git a/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV1.cs b/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV1.cs
index 76f5a19..229a00b 100644
--- a/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV1.cs
+++ b/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV1.cs
@@ -9,7 +9,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.SimpleWebhook
 {
-    public class BasicWebhookV1
+    internal class BasicWebhookV1
     {
         private static readonly ILogger logger = Log.ForContext<BasicWebhookV1>();
 
diff --git a/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV2.cs b/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV2.cs
index b1eeddf..c61b6bf 100644
--- a/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV2.cs
+++ b/BililiveRecorder.Core/SimpleWebhook/BasicWebhookV2.cs
@@ -10,7 +10,7 @@ using Serilog;
 
 namespace BililiveRecorder.Core.SimpleWebhook
 {
-    public class BasicWebhookV2
+    internal class BasicWebhookV2
     {
         private static readonly ILogger logger = Log.ForContext<BasicWebhookV2>();
 
diff --git a/BililiveRecorder.Core/SimpleWebhook/EventType.cs b/BililiveRecorder.Core/SimpleWebhook/EventType.cs
index f6c1efa..58e6c4d 100644
--- a/BililiveRecorder.Core/SimpleWebhook/EventType.cs
+++ b/BililiveRecorder.Core/SimpleWebhook/EventType.cs
@@ -4,12 +4,32 @@ using Newtonsoft.Json.Converters;
 namespace BililiveRecorder.Core.SimpleWebhook
 {
     [JsonConverter(typeof(StringEnumConverter))]
-    public enum EventType
+    internal enum EventType
     {
         Unknown,
+        /// <summary>
+        /// 录制开始
+        /// </summary>
         SessionStarted,
+        /// <summary>
+        /// 录制结束
+        /// </summary>
         SessionEnded,
+        /// <summary>
+        /// 新建了文件
+        /// </summary>
         FileOpening,
+        /// <summary>
+        /// 文件写入结束
+        /// </summary>
         FileClosed,
+        /// <summary>
+        /// 直播开始
+        /// </summary>
+        StreamStarted,
+        /// <summary>
+        /// 直播结束
+        /// </summary>
+        StreamEnded,
     }
 }
diff --git a/BililiveRecorder.Core/SimpleWebhook/EventWrapper.cs b/BililiveRecorder.Core/SimpleWebhook/EventWrapper.cs
index 68d2c96..ecc0ad2 100644
--- a/BililiveRecorder.Core/SimpleWebhook/EventWrapper.cs
+++ b/BililiveRecorder.Core/SimpleWebhook/EventWrapper.cs
@@ -2,7 +2,7 @@ using System;
 
 namespace BililiveRecorder.Core.SimpleWebhook
 {
-    public class EventWrapper<T> where T : class
+    internal class EventWrapper<T> where T : class
     {
         public EventWrapper()
         {
diff --git a/BililiveRecorder.Core/SimpleWebhook/RecordEndData.cs b/BililiveRecorder.Core/SimpleWebhook/RecordEndData.cs
index 85398cc..9ff751a 100644
--- a/BililiveRecorder.Core/SimpleWebhook/RecordEndData.cs
+++ b/BililiveRecorder.Core/SimpleWebhook/RecordEndData.cs
@@ -4,7 +4,7 @@ using BililiveRecorder.Core.Event;
 #nullable enable
 namespace BililiveRecorder.Core.SimpleWebhook
 {
-    public class RecordEndData
+    internal class RecordEndData
     {
         public RecordEndData(RecordFileClosedEventArgs args)
         {
diff --git a/BililiveRecorder.Core/Templating/StreamQualityNumber.cs b/BililiveRecorder.Core/Templating/StreamQualityNumber.cs
index 86e5b64..b969d87 100644
--- a/BililiveRecorder.Core/Templating/StreamQualityNumber.cs
+++ b/BililiveRecorder.Core/Templating/StreamQualityNumber.cs
@@ -5,7 +5,7 @@ using Fluid.Values;
 
 namespace BililiveRecorder.Core.Templating
 {
-    public static class StreamQualityNumber
+    internal static class StreamQualityNumber
     {
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static string MapToString(int qn) => qn switch
@@ -22,7 +22,6 @@ namespace BililiveRecorder.Core.Templating
             _ => $"未知({qn})"
         };
 
-
         public static ValueTask<FluidValue> MapToStringFilterDelegateAsync(FluidValue input, FilterArguments arguments, TemplateContext context)
             => new StringValue(MapToString((int)input.ToNumberValue()));
     }
diff --git a/BililiveRecorder.WPF/App.xaml b/BililiveRecorder.WPF/App.xaml
index c1dc34d..aa595f9 100644
--- a/BililiveRecorder.WPF/App.xaml
+++ b/BililiveRecorder.WPF/App.xaml
@@ -28,7 +28,7 @@
             </ContextMenu>
             <DataTemplate x:Key="RoomCardStatsPopup" 
                           xmlns:core="clr-namespace:BililiveRecorder.Core;assembly=BililiveRecorder.Core"
-                          DataType="{x:Type core:Room}">
+                          DataType="{x:Type core:IRoom}">
                 <Grid l:ResxLocalizationProvider.DefaultDictionary="Strings">
                     <TextBlock Visibility="{Binding Stats.DurationRatio,Converter={StaticResource IsNaNToVisibilityCollapsedConverter}}" 
                                TextAlignment="Center" Text="{l:Loc RoomCard_Status_SpeedIndicator_NoData}"/>
diff --git a/BililiveRecorder.WPF/Controls/TaskbarIconControl.xaml b/BililiveRecorder.WPF/Controls/TaskbarIconControl.xaml
index 08de9fd..95b7fab 100644
--- a/BililiveRecorder.WPF/Controls/TaskbarIconControl.xaml
+++ b/BililiveRecorder.WPF/Controls/TaskbarIconControl.xaml
@@ -45,7 +45,7 @@
                     <Separator Grid.Row="1" Grid.ColumnSpan="2" />
                     <ItemsControl Grid.Row="2" Grid.ColumnSpan="2" Margin="10,0,10,10" ItemsSource="{Binding Recorder.Rooms, Mode=OneWay}">
                         <ItemsControl.ItemTemplate>
-                            <DataTemplate DataType="{x:Type core:Room}">
+                            <DataTemplate DataType="{x:Type core:IRoom}">
                                 <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0,5,0,0">
                                     <ui:PathIcon Width="15" Style="{StaticResource PathIconDataAccessPoint}"
                                                  Foreground="{Binding Streaming,Converter={StaticResource BooleanToLiveStatusColorBrushConverter}}"/>
diff --git a/BililiveRecorder.WPF/Models/PollyPolicyModel.cs b/BililiveRecorder.WPF/Models/PollyPolicyModel.cs
index 561c205..bcfd7c0 100644
--- a/BililiveRecorder.WPF/Models/PollyPolicyModel.cs
+++ b/BililiveRecorder.WPF/Models/PollyPolicyModel.cs
@@ -24,10 +24,11 @@ namespace BililiveRecorder.WPF.Models
             {
                 ExecuteDelegate = _ =>
                 {
-                    if (this.policy != null)
+                    if (this.policy is { } p)
                     {
-                        this.policy.IpBlockedHttp412CircuitBreakerPolicy.Reset();
-                        this.policy.RequestFailedCircuitBreakerPolicy.Reset();
+                        p.IpBlockedHttp412CircuitBreakerPolicy.Reset();
+                        p.RequestFailedCircuitBreakerPolicy.Reset();
+                        p.memoryCache.Compact(1);
                     }
                 }
             };
diff --git a/BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml.cs b/BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml.cs
index 9958682..5f47cee 100644
--- a/BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml.cs
+++ b/BililiveRecorder.WPF/Pages/AdvancedSettingsPage.xaml.cs
@@ -2,7 +2,7 @@ using System;
 using System.Runtime.Serialization;
 using System.Threading.Tasks;
 using System.Windows;
-using BililiveRecorder.Core.Api.Http;
+using BililiveRecorder.Core.Api;
 using BililiveRecorder.Core.Scripting;
 using Newtonsoft.Json.Linq;
 using Serilog;
@@ -16,10 +16,10 @@ namespace BililiveRecorder.WPF.Pages
     public partial class AdvancedSettingsPage
     {
         private static readonly ILogger logger = Log.ForContext<AdvancedSettingsPage>();
-        private readonly HttpApiClient? httpApiClient;
+        private readonly IHttpClientAccessor? httpApiClient;
         private readonly UserScriptRunner? userScriptRunner;
 
-        public AdvancedSettingsPage(HttpApiClient? httpApiClient, UserScriptRunner? userScriptRunner)
+        public AdvancedSettingsPage(IHttpClientAccessor? httpApiClient, UserScriptRunner? userScriptRunner)
         {
             this.InitializeComponent();
             this.httpApiClient = httpApiClient;
@@ -28,7 +28,7 @@ namespace BililiveRecorder.WPF.Pages
 
         public AdvancedSettingsPage()
             : this(
-                  (HttpApiClient?)(RootPage.ServiceProvider?.GetService(typeof(HttpApiClient))),
+                  (IHttpClientAccessor?)(RootPage.ServiceProvider?.GetService(typeof(IHttpClientAccessor))),
                   (UserScriptRunner?)(RootPage.ServiceProvider?.GetService(typeof(UserScriptRunner)))
                   )
         { }
diff --git a/BililiveRecorder.WPF/Program.cs b/BililiveRecorder.WPF/Program.cs
index 4ce4028..22e2597 100644
--- a/BililiveRecorder.WPF/Program.cs
+++ b/BililiveRecorder.WPF/Program.cs
@@ -280,7 +280,7 @@ namespace BililiveRecorder.WPF
 
         private class SentryEventProcessor : ISentryEventProcessor
         {
-            private static readonly string JintConsole = typeof(Core.Scripting.Runtime.JintConsole).FullName;
+            private const string JintConsole = "Core.Scripting.Runtime.JintConsole";
             private static readonly string UserScriptRunner = typeof(Core.Scripting.UserScriptRunner).FullName;
             public SentryEvent? Process(SentryEvent e) => (e?.Logger == JintConsole || e?.Logger == UserScriptRunner) ? null : e;
         }
diff --git a/test/BililiveRecorder.Core.UnitTests/BililiveRecorder.Core.UnitTests.csproj b/test/BililiveRecorder.Core.UnitTests/BililiveRecorder.Core.UnitTests.csproj
index f067eae..a4ecf33 100644
--- a/test/BililiveRecorder.Core.UnitTests/BililiveRecorder.Core.UnitTests.csproj
+++ b/test/BililiveRecorder.Core.UnitTests/BililiveRecorder.Core.UnitTests.csproj
@@ -9,6 +9,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+    <PackageReference Include="PublicApiGenerator" Version="10.3.0" />
+    <PackageReference Include="Spectre.Verify.Extensions" Version="0.5.0" />
+    <PackageReference Include="Verify.Xunit" Version="13.3.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/test/BililiveRecorder.Core.UnitTests/Expectations/PublicApi.HasNoChangesAsync.verified.txt b/test/BililiveRecorder.Core.UnitTests/Expectations/PublicApi.HasNoChangesAsync.verified.txt
new file mode 100644
index 0000000..0df5231
--- /dev/null
+++ b/test/BililiveRecorder.Core.UnitTests/Expectations/PublicApi.HasNoChangesAsync.verified.txt
@@ -0,0 +1,491 @@
+[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("BililiveRecorder.Core.UnitTests")]
+[assembly: System.Runtime.Versioning.TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName="")]
+namespace BililiveRecorder.Core.Api
+{
+    public interface IHttpClientAccessor
+    {
+        System.Net.Http.HttpClient MainHttpClient { get; }
+    }
+}
+namespace BililiveRecorder.Core.Config
+{
+    public enum AllowedAddressFamily
+    {
+        System = -1,
+        Any = 0,
+        Ipv4 = 1,
+        Ipv6 = 2,
+    }
+    [Newtonsoft.Json.JsonConverter(typeof(JsonSubTypes.JsonSubtypes?), new object?[]?[] {
+            "Version"})]
+    public abstract class ConfigBase
+    {
+        protected ConfigBase() { }
+        [Newtonsoft.Json.JsonProperty("$schema", Order=-2)]
+        public string? DollarSignSchema { get; set; }
+        [Newtonsoft.Json.JsonProperty("version")]
+        public virtual int Version { get; set; }
+    }
+    public class ConfigParser
+    {
+        public const string CONFIG_FILE_NAME = "config.json";
+        public ConfigParser() { }
+        public static BililiveRecorder.Core.Config.V3.ConfigV3? LoadFrom(string directory) { }
+        public static BililiveRecorder.Core.Config.V3.ConfigV3? LoadJson(string json) { }
+        public static string? SaveJson(BililiveRecorder.Core.Config.V3.ConfigV3 config) { }
+        public static bool SaveTo(string directory, BililiveRecorder.Core.Config.V3.ConfigV3 config) { }
+        public static void WriteAllTextWithBackup(string path, string contents) { }
+    }
+    public enum CuttingMode
+    {
+        Disabled = 0,
+        ByTime = 1,
+        BySize = 2,
+    }
+    public enum RecordMode
+    {
+        Standard = 0,
+        RawData = 1,
+    }
+}
+namespace BililiveRecorder.Core.Config.V3
+{
+    public sealed class ConfigV3 : BililiveRecorder.Core.Config.ConfigBase
+    {
+        public ConfigV3() { }
+        [Newtonsoft.Json.JsonIgnore]
+        public bool DisableConfigSave { get; set; }
+        [Newtonsoft.Json.JsonProperty("global")]
+        public BililiveRecorder.Core.Config.V3.GlobalConfig Global { get; set; }
+        [Newtonsoft.Json.JsonProperty("rooms")]
+        public System.Collections.Generic.List<BililiveRecorder.Core.Config.V3.RoomConfig> Rooms { get; set; }
+        public override int Version { get; }
+    }
+    public sealed class DefaultConfig
+    {
+        public static readonly BililiveRecorder.Core.Config.V3.DefaultConfig Instance;
+        public string Cookie { get; }
+        public BililiveRecorder.Core.Config.CuttingMode CuttingMode { get; }
+        public uint CuttingNumber { get; }
+        public string FileNameRecordTemplate { get; }
+        public string LiveApiHost { get; }
+        public BililiveRecorder.Core.Config.AllowedAddressFamily NetworkTransportAllowedAddressFamily { get; }
+        public bool NetworkTransportUseSystemProxy { get; }
+        public bool RecordDanmaku { get; }
+        public uint RecordDanmakuFlushInterval { get; }
+        public bool RecordDanmakuGift { get; }
+        public bool RecordDanmakuGuard { get; }
+        public bool RecordDanmakuRaw { get; }
+        public bool RecordDanmakuSuperChat { get; }
+        public BililiveRecorder.Core.Config.RecordMode RecordMode { get; }
+        public string RecordingQuality { get; }
+        public uint TimingCheckInterval { get; }
+        public uint TimingDanmakuRetry { get; }
+        public uint TimingStreamConnect { get; }
+        public uint TimingStreamRetry { get; }
+        public uint TimingStreamRetryNoQn { get; }
+        public uint TimingWatchdogTimeout { get; }
+        public string UserScript { get; }
+        public string WebHookUrls { get; }
+        public string WebHookUrlsV2 { get; }
+        public bool WpfShowTitleAndArea { get; }
+    }
+    [Newtonsoft.Json.JsonObject(Newtonsoft.Json.MemberSerialization.OptIn)]
+    public sealed class GlobalConfig : HierarchicalPropertyDefault.HierarchicalObject<BililiveRecorder.Core.Config.V3.DefaultConfig, BililiveRecorder.Core.Config.V3.GlobalConfig>
+    {
+        public GlobalConfig() { }
+        public string? Cookie { get; set; }
+        public BililiveRecorder.Core.Config.CuttingMode CuttingMode { get; set; }
+        public uint CuttingNumber { get; set; }
+        public string? FileNameRecordTemplate { get; set; }
+        public bool HasCookie { get; set; }
+        public bool HasCuttingMode { get; set; }
+        public bool HasCuttingNumber { get; set; }
+        public bool HasFileNameRecordTemplate { get; set; }
+        public bool HasLiveApiHost { get; set; }
+        public bool HasNetworkTransportAllowedAddressFamily { get; set; }
+        public bool HasNetworkTransportUseSystemProxy { get; set; }
+        public bool HasRecordDanmaku { get; set; }
+        public bool HasRecordDanmakuFlushInterval { get; set; }
+        public bool HasRecordDanmakuGift { get; set; }
+        public bool HasRecordDanmakuGuard { get; set; }
+        public bool HasRecordDanmakuRaw { get; set; }
+        public bool HasRecordDanmakuSuperChat { get; set; }
+        public bool HasRecordMode { get; set; }
+        public bool HasRecordingQuality { get; set; }
+        public bool HasTimingCheckInterval { get; set; }
+        public bool HasTimingDanmakuRetry { get; set; }
+        public bool HasTimingStreamConnect { get; set; }
+        public bool HasTimingStreamRetry { get; set; }
+        public bool HasTimingStreamRetryNoQn { get; set; }
+        public bool HasTimingWatchdogTimeout { get; set; }
+        public bool HasUserScript { get; set; }
+        public bool HasWebHookUrls { get; set; }
+        public bool HasWebHookUrlsV2 { get; set; }
+        public bool HasWpfShowTitleAndArea { get; set; }
+        public string? LiveApiHost { get; set; }
+        public BililiveRecorder.Core.Config.AllowedAddressFamily NetworkTransportAllowedAddressFamily { get; set; }
+        public bool NetworkTransportUseSystemProxy { get; set; }
+        [Newtonsoft.Json.JsonProperty("Cookie")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalCookie { get; set; }
+        [Newtonsoft.Json.JsonProperty("CuttingMode")]
+        public HierarchicalPropertyDefault.Optional<BililiveRecorder.Core.Config.CuttingMode> OptionalCuttingMode { get; set; }
+        [Newtonsoft.Json.JsonProperty("CuttingNumber")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalCuttingNumber { get; set; }
+        [Newtonsoft.Json.JsonProperty("FileNameRecordTemplate")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalFileNameRecordTemplate { get; set; }
+        [Newtonsoft.Json.JsonProperty("LiveApiHost")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalLiveApiHost { get; set; }
+        [Newtonsoft.Json.JsonProperty("NetworkTransportAllowedAddressFamily")]
+        public HierarchicalPropertyDefault.Optional<BililiveRecorder.Core.Config.AllowedAddressFamily> OptionalNetworkTransportAllowedAddressFamily { get; set; }
+        [Newtonsoft.Json.JsonProperty("NetworkTransportUseSystemProxy")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalNetworkTransportUseSystemProxy { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmaku")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmaku { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuFlushInterval")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalRecordDanmakuFlushInterval { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuGift")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuGift { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuGuard")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuGuard { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuRaw")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuRaw { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuSuperChat")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuSuperChat { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordMode")]
+        public HierarchicalPropertyDefault.Optional<BililiveRecorder.Core.Config.RecordMode> OptionalRecordMode { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordingQuality")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalRecordingQuality { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingCheckInterval")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingCheckInterval { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingDanmakuRetry")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingDanmakuRetry { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingStreamConnect")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingStreamConnect { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingStreamRetry")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingStreamRetry { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingStreamRetryNoQn")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingStreamRetryNoQn { get; set; }
+        [Newtonsoft.Json.JsonProperty("TimingWatchdogTimeout")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalTimingWatchdogTimeout { get; set; }
+        [Newtonsoft.Json.JsonProperty("UserScript")]
+        public HierarchicalPropertyDefault.Optional<string> OptionalUserScript { get; set; }
+        [Newtonsoft.Json.JsonProperty("WebHookUrls")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalWebHookUrls { get; set; }
+        [Newtonsoft.Json.JsonProperty("WebHookUrlsV2")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalWebHookUrlsV2 { get; set; }
+        [Newtonsoft.Json.JsonProperty("WpfShowTitleAndArea")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalWpfShowTitleAndArea { get; set; }
+        public bool RecordDanmaku { get; set; }
+        public uint RecordDanmakuFlushInterval { get; set; }
+        public bool RecordDanmakuGift { get; set; }
+        public bool RecordDanmakuGuard { get; set; }
+        public bool RecordDanmakuRaw { get; set; }
+        public bool RecordDanmakuSuperChat { get; set; }
+        public BililiveRecorder.Core.Config.RecordMode RecordMode { get; set; }
+        public string? RecordingQuality { get; set; }
+        public uint TimingCheckInterval { get; set; }
+        public uint TimingDanmakuRetry { get; set; }
+        public uint TimingStreamConnect { get; set; }
+        public uint TimingStreamRetry { get; set; }
+        public uint TimingStreamRetryNoQn { get; set; }
+        public uint TimingWatchdogTimeout { get; set; }
+        public string UserScript { get; set; }
+        public string? WebHookUrls { get; set; }
+        public string? WebHookUrlsV2 { get; set; }
+        public string? WorkDirectory { get; set; }
+        public bool WpfShowTitleAndArea { get; set; }
+    }
+    [Newtonsoft.Json.JsonObject(Newtonsoft.Json.MemberSerialization.OptIn)]
+    public sealed class RoomConfig : HierarchicalPropertyDefault.HierarchicalObject<BililiveRecorder.Core.Config.V3.GlobalConfig, BililiveRecorder.Core.Config.V3.RoomConfig>
+    {
+        public RoomConfig() { }
+        public bool AutoRecord { get; set; }
+        public string? Cookie { get; }
+        public BililiveRecorder.Core.Config.CuttingMode CuttingMode { get; set; }
+        public uint CuttingNumber { get; set; }
+        public string? FileNameRecordTemplate { get; }
+        public bool HasAutoRecord { get; set; }
+        public bool HasCuttingMode { get; set; }
+        public bool HasCuttingNumber { get; set; }
+        public bool HasRecordDanmaku { get; set; }
+        public bool HasRecordDanmakuGift { get; set; }
+        public bool HasRecordDanmakuGuard { get; set; }
+        public bool HasRecordDanmakuRaw { get; set; }
+        public bool HasRecordDanmakuSuperChat { get; set; }
+        public bool HasRecordMode { get; set; }
+        public bool HasRecordingQuality { get; set; }
+        public bool HasRoomId { get; set; }
+        public string? LiveApiHost { get; }
+        public BililiveRecorder.Core.Config.AllowedAddressFamily NetworkTransportAllowedAddressFamily { get; }
+        public bool NetworkTransportUseSystemProxy { get; }
+        [Newtonsoft.Json.JsonProperty("AutoRecord")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalAutoRecord { get; set; }
+        [Newtonsoft.Json.JsonProperty("CuttingMode")]
+        public HierarchicalPropertyDefault.Optional<BililiveRecorder.Core.Config.CuttingMode> OptionalCuttingMode { get; set; }
+        [Newtonsoft.Json.JsonProperty("CuttingNumber")]
+        public HierarchicalPropertyDefault.Optional<uint> OptionalCuttingNumber { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmaku")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmaku { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuGift")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuGift { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuGuard")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuGuard { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuRaw")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuRaw { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordDanmakuSuperChat")]
+        public HierarchicalPropertyDefault.Optional<bool> OptionalRecordDanmakuSuperChat { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordMode")]
+        public HierarchicalPropertyDefault.Optional<BililiveRecorder.Core.Config.RecordMode> OptionalRecordMode { get; set; }
+        [Newtonsoft.Json.JsonProperty("RecordingQuality")]
+        public HierarchicalPropertyDefault.Optional<string?> OptionalRecordingQuality { get; set; }
+        [Newtonsoft.Json.JsonProperty("RoomId")]
+        public HierarchicalPropertyDefault.Optional<int> OptionalRoomId { get; set; }
+        public bool RecordDanmaku { get; set; }
+        public uint RecordDanmakuFlushInterval { get; }
+        public bool RecordDanmakuGift { get; set; }
+        public bool RecordDanmakuGuard { get; set; }
+        public bool RecordDanmakuRaw { get; set; }
+        public bool RecordDanmakuSuperChat { get; set; }
+        public BililiveRecorder.Core.Config.RecordMode RecordMode { get; set; }
+        public string? RecordingQuality { get; set; }
+        public int RoomId { get; set; }
+        public uint TimingCheckInterval { get; }
+        public uint TimingDanmakuRetry { get; }
+        public uint TimingStreamConnect { get; }
+        public uint TimingStreamRetry { get; }
+        public uint TimingStreamRetryNoQn { get; }
+        public uint TimingWatchdogTimeout { get; }
+        public string UserScript { get; }
+        public string? WebHookUrls { get; }
+        public string? WebHookUrlsV2 { get; }
+        public string? WorkDirectory { get; }
+        public bool WpfShowTitleAndArea { get; }
+    }
+}
+namespace BililiveRecorder.Core.Event
+{
+    public sealed class AggregatedRoomEventArgs<T>
+    {
+        public AggregatedRoomEventArgs(BililiveRecorder.Core.IRoom room, T @event) { }
+        public T Event { get; }
+        public BililiveRecorder.Core.IRoom Room { get; }
+    }
+    public sealed class IOStatsEventArgs : System.EventArgs
+    {
+        public IOStatsEventArgs() { }
+        public int DiskBytesWritten { get; set; }
+        public double DiskMBps { get; set; }
+        public System.TimeSpan DiskWriteDuration { get; set; }
+        public System.TimeSpan Duration { get; set; }
+        public System.DateTimeOffset EndTime { get; set; }
+        public int NetworkBytesDownloaded { get; set; }
+        public double NetworkMbps { get; set; }
+        public System.DateTimeOffset StartTime { get; set; }
+    }
+    public abstract class RecordEventArgsBase : System.EventArgs
+    {
+        public RecordEventArgsBase() { }
+        public RecordEventArgsBase(BililiveRecorder.Core.IRoom room) { }
+        public string AreaNameChild { get; set; }
+        public string AreaNameParent { get; set; }
+        public string Name { get; set; }
+        public int RoomId { get; set; }
+        public System.Guid SessionId { get; set; }
+        public int ShortId { get; set; }
+        public string Title { get; set; }
+    }
+    public sealed class RecordFileClosedEventArgs : BililiveRecorder.Core.Event.RecordEventArgsBase
+    {
+        public RecordFileClosedEventArgs() { }
+        public RecordFileClosedEventArgs(BililiveRecorder.Core.IRoom room) { }
+        public double Duration { get; set; }
+        public System.DateTimeOffset FileCloseTime { get; set; }
+        public System.DateTimeOffset FileOpenTime { get; set; }
+        public long FileSize { get; set; }
+        [Newtonsoft.Json.JsonIgnore]
+        public string FullPath { get; set; }
+        public string RelativePath { get; set; }
+    }
+    public sealed class RecordFileOpeningEventArgs : BililiveRecorder.Core.Event.RecordEventArgsBase
+    {
+        public RecordFileOpeningEventArgs() { }
+        public RecordFileOpeningEventArgs(BililiveRecorder.Core.IRoom room) { }
+        public System.DateTimeOffset FileOpenTime { get; set; }
+        [Newtonsoft.Json.JsonIgnore]
+        public string FullPath { get; set; }
+        public string RelativePath { get; set; }
+    }
+    public sealed class RecordSessionEndedEventArgs : BililiveRecorder.Core.Event.RecordEventArgsBase
+    {
+        public RecordSessionEndedEventArgs() { }
+        public RecordSessionEndedEventArgs(BililiveRecorder.Core.IRoom room) { }
+    }
+    public sealed class RecordSessionStartedEventArgs : BililiveRecorder.Core.Event.RecordEventArgsBase
+    {
+        public RecordSessionStartedEventArgs() { }
+        public RecordSessionStartedEventArgs(BililiveRecorder.Core.IRoom room) { }
+    }
+    public sealed class RecordingStatsEventArgs : System.EventArgs
+    {
+        public RecordingStatsEventArgs() { }
+        public double AddedDuration { get; set; }
+        public long CurrentFileSize { get; set; }
+        public double DurationRatio { get; set; }
+        public int FileMaxTimestamp { get; set; }
+        public long InputAudioBytes { get; set; }
+        public long InputVideoBytes { get; set; }
+        public long OutputAudioBytes { get; set; }
+        public int OutputAudioFrames { get; set; }
+        public long OutputVideoBytes { get; set; }
+        public int OutputVideoFrames { get; set; }
+        public double PassedTime { get; set; }
+        public double SessionDuration { get; set; }
+        public int SessionMaxTimestamp { get; set; }
+        public long TotalInputAudioBytes { get; set; }
+        public long TotalInputBytes { get; set; }
+        public long TotalInputVideoBytes { get; set; }
+        public long TotalOutputAudioBytes { get; set; }
+        public int TotalOutputAudioFrames { get; set; }
+        public long TotalOutputBytes { get; set; }
+        public long TotalOutputVideoBytes { get; set; }
+        public int TotalOutputVideoFrames { get; set; }
+    }
+}
+namespace BililiveRecorder.Core
+{
+    public interface IRecorder : System.ComponentModel.INotifyPropertyChanged, System.IDisposable
+    {
+        BililiveRecorder.Core.Config.V3.ConfigV3 Config { get; }
+        System.Collections.ObjectModel.ReadOnlyObservableCollection<BililiveRecorder.Core.IRoom> Rooms { get; }
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.IOStatsEventArgs>>? IOStats;
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.RecordFileClosedEventArgs>>? RecordFileClosed;
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.RecordFileOpeningEventArgs>>? RecordFileOpening;
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.RecordSessionEndedEventArgs>>? RecordSessionEnded;
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.RecordSessionStartedEventArgs>>? RecordSessionStarted;
+        event System.EventHandler<BililiveRecorder.Core.Event.AggregatedRoomEventArgs<BililiveRecorder.Core.Event.RecordingStatsEventArgs>>? RecordingStats;
+        BililiveRecorder.Core.IRoom AddRoom(int roomid);
+        BililiveRecorder.Core.IRoom AddRoom(int roomid, bool enabled);
+        void RemoveRoom(BililiveRecorder.Core.IRoom room);
+        void SaveConfig();
+    }
+    public interface IRoom : System.ComponentModel.INotifyPropertyChanged, System.IDisposable
+    {
+        string AreaNameChild { get; }
+        string AreaNameParent { get; }
+        bool AutoRecordForThisSession { get; }
+        bool DanmakuConnected { get; }
+        string Name { get; }
+        System.Guid ObjectId { get; }
+        Newtonsoft.Json.Linq.JObject? RawBilibiliApiJsonData { get; }
+        bool Recording { get; }
+        BililiveRecorder.Core.Config.V3.RoomConfig RoomConfig { get; }
+        int ShortId { get; }
+        BililiveRecorder.Core.RoomStats Stats { get; }
+        bool Streaming { get; }
+        string Title { get; }
+        event System.EventHandler<BililiveRecorder.Core.Event.IOStatsEventArgs>? IOStats;
+        event System.EventHandler<BililiveRecorder.Core.Event.RecordFileClosedEventArgs>? RecordFileClosed;
+        event System.EventHandler<BililiveRecorder.Core.Event.RecordFileOpeningEventArgs>? RecordFileOpening;
+        event System.EventHandler<BililiveRecorder.Core.Event.RecordSessionEndedEventArgs>? RecordSessionEnded;
+        event System.EventHandler<BililiveRecorder.Core.Event.RecordSessionStartedEventArgs>? RecordSessionStarted;
+        event System.EventHandler<BililiveRecorder.Core.Event.RecordingStatsEventArgs>? RecordingStats;
+        System.Threading.Tasks.Task RefreshRoomInfoAsync();
+        void SplitOutput();
+        void StartRecord();
+        void StopRecord();
+    }
+    public static class LoggingContext
+    {
+        public const string RoomId = "RoomId";
+    }
+    public class PollyPolicy : Polly.Registry.PolicyRegistry
+    {
+        public readonly Polly.CircuitBreaker.AsyncCircuitBreakerPolicy IpBlockedHttp412CircuitBreakerPolicy;
+        public readonly Polly.CircuitBreaker.AsyncCircuitBreakerPolicy RequestFailedCircuitBreakerPolicy;
+        public readonly Microsoft.Extensions.Caching.Memory.MemoryCache memoryCache;
+    }
+    public class RoomStats : System.ComponentModel.INotifyPropertyChanged
+    {
+        public RoomStats() { }
+        public double AddedDuration { get; set; }
+        public long CurrentFileSize { get; set; }
+        public int DiskBytesWritten { get; set; }
+        public double DiskMBps { get; set; }
+        public System.TimeSpan DiskWriteDuration { get; set; }
+        public System.TimeSpan Duration { get; set; }
+        public double DurationRatio { get; set; }
+        public System.DateTimeOffset EndTime { get; set; }
+        public System.TimeSpan FileMaxTimestamp { get; set; }
+        public long InputAudioBytes { get; set; }
+        public long InputVideoBytes { get; set; }
+        public int NetworkBytesDownloaded { get; set; }
+        public double NetworkMbps { get; set; }
+        public long OutputAudioBytes { get; set; }
+        public int OutputAudioFrames { get; set; }
+        public long OutputVideoBytes { get; set; }
+        public int OutputVideoFrames { get; set; }
+        public double PassedTime { get; set; }
+        public System.TimeSpan SessionDuration { get; set; }
+        public System.TimeSpan SessionMaxTimestamp { get; set; }
+        public System.DateTimeOffset StartTime { get; set; }
+        public long TotalInputAudioBytes { get; set; }
+        public long TotalInputBytes { get; set; }
+        public long TotalInputVideoBytes { get; set; }
+        public long TotalOutputAudioBytes { get; set; }
+        public int TotalOutputAudioFrames { get; set; }
+        public long TotalOutputBytes { get; set; }
+        public long TotalOutputVideoBytes { get; set; }
+        public int TotalOutputVideoFrames { get; set; }
+        public event System.ComponentModel.PropertyChangedEventHandler? PropertyChanged;
+        protected virtual void OnPropertyChanged(string propertyName) { }
+        public void Reset() { }
+        protected bool SetField<T>(ref T location, T value, [System.Runtime.CompilerServices.CallerMemberName] string propertyName = "") { }
+    }
+}
+namespace BililiveRecorder.Core.Scripting
+{
+    public class UserScriptRunner
+    {
+        public UserScriptRunner(BililiveRecorder.Core.Config.V3.GlobalConfig config) { }
+        public string? CallOnFetchStreamUrl(Serilog.ILogger logger, int roomid, int[] qnSetting) { }
+        public void CallOnTest(Serilog.ILogger logger, System.Action<string>? alert) { }
+        [return: System.Runtime.CompilerServices.TupleElementNames(new string[] {
+                "url",
+                "ip"})]
+        public System.ValueTuple<string, string?>? CallOnTransformStreamUrl(Serilog.ILogger logger, string originalUrl) { }
+    }
+}
+namespace BililiveRecorder.Core.Templating
+{
+    public class FileNameGenerator
+    {
+        public FileNameGenerator(BililiveRecorder.Core.Config.V3.GlobalConfig config) { }
+        [return: System.Runtime.CompilerServices.TupleElementNames(new string[] {
+                "fullPath",
+                "relativePath"})]
+        public System.ValueTuple<string, string> CreateFilePath(BililiveRecorder.Core.Templating.FileNameGenerator.FileNameContextData data) { }
+        public class FileNameContextData
+        {
+            public FileNameContextData() { }
+            public string AreaChild { get; set; }
+            public string AreaParent { get; set; }
+            public Newtonsoft.Json.Linq.JObject? Json { get; set; }
+            public string Name { get; set; }
+            public int Qn { get; set; }
+            public int RoomId { get; set; }
+            public int ShortId { get; set; }
+            public string Title { get; set; }
+        }
+    }
+}
+namespace BililiveRecorder.DependencyInjection
+{
+    public static class DependencyInjectionExtensions
+    {
+        public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddRecorder(this Microsoft.Extensions.DependencyInjection.IServiceCollection services) { }
+        public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddRecorderApiClients(this Microsoft.Extensions.DependencyInjection.IServiceCollection services) { }
+        public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddRecorderConfig(this Microsoft.Extensions.DependencyInjection.IServiceCollection services, BililiveRecorder.Core.Config.V3.ConfigV3 config) { }
+        public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddRecorderRecording(this Microsoft.Extensions.DependencyInjection.IServiceCollection services) { }
+    }
+}
\ No newline at end of file
diff --git a/test/BililiveRecorder.Core.UnitTests/PublicApi.cs b/test/BililiveRecorder.Core.UnitTests/PublicApi.cs
new file mode 100644
index 0000000..d937521
--- /dev/null
+++ b/test/BililiveRecorder.Core.UnitTests/PublicApi.cs
@@ -0,0 +1,18 @@
+using System.Threading.Tasks;
+using PublicApiGenerator;
+using VerifyXunit;
+using Xunit;
+
+namespace BililiveRecorder.Core.UnitTests
+{
+    [UsesVerify]
+    public class PublicApi
+    {
+        [Fact]
+        public Task HasNoChangesAsync()
+        {
+            var publicApi = typeof(Recorder).Assembly.GeneratePublicApi();
+            return Verifier.Verify(publicApi);
+        }
+    }
+}
diff --git a/test/BililiveRecorder.Core.UnitTests/VerifyConfig.cs b/test/BililiveRecorder.Core.UnitTests/VerifyConfig.cs
new file mode 100644
index 0000000..84471ba
--- /dev/null
+++ b/test/BililiveRecorder.Core.UnitTests/VerifyConfig.cs
@@ -0,0 +1,18 @@
+using System.IO;
+using System.Runtime.CompilerServices;
+using DiffEngine;
+using VerifyTests;
+
+namespace BililiveRecorder.Core.UnitTests
+{
+    public static class VerifyConfig
+    {
+        [ModuleInitializer]
+        public static void Init()
+        {
+            VerifierSettings.DerivePathInfo(Expectations.Initialize);
+            VerifierSettings.ModifySerialization(_ => _.IgnoreMembersWithType<Stream>());
+            DiffRunner.Disabled = true;
+        }
+    }
+}