diff --git a/src/Core/FileMeta.cs b/src/Core/AudioFileMeta.cs
similarity index 87%
rename from src/Core/FileMeta.cs
rename to src/Core/AudioFileMeta.cs
index 9be6747..83352bb 100644
--- a/src/Core/FileMeta.cs
+++ b/src/Core/AudioFileMeta.cs
@@ -3,49 +3,62 @@
 /// <summary>
 /// 音频文件元数据实体类，对应音频资产管理系统中的文件记录
 /// </summary>
-public class FileMeta
+public class AudioFileMeta
 {
+#region 必备条目
     /// <summary>主键ID，音频文件的唯一数字标识符</summary>
-    public int Id { get; set; }
+    public required int Id { get; set; }
 
     /// <summary>全局唯一标识符，通常为UUID，用于跨系统识别</summary>
-    public string UniqueId { get; set; }
+    public required string UniqueId { get; set; }
     
     /// <summary>文件的MD5值，用于查重</summary>
-    public string Md5 { get; set; }
+    public required string Md5 { get; set; }
+    
+    /// <summary>原始导入路径，音频文件被导入时的完整文件路径</summary>
+    public required string Path { get; set; }
+
+    /// <summary>文件名，包含扩展名的音频文件名称（如 sound.wav）</summary>
+    public required string Filename { get; set; }
+
+    /// <summary>文件夹，文件所在的文件夹名称</summary>
+    public required string Folder { get; set; }
+
+    /// <summary>目录，文件的存储目录路径</summary>
+    public required string Directory { get; set; }
+    
+    /// <summary>时长，音频文件的播放长度（通常以秒为单位）</summary>
+    public required double Duration { get; set; }
+    
+    /// <summary>时长，以采样数记录的时长</summary>
+    public required uint TotalSamples { get; set; }
+
+    /// <summary>位深度，音频采样位深（如 16、24、32 bit）</summary>
+    public required int BitDepth { get; set; }
+
+    /// <summary>声道数，如 1=单声道、2=立体声、6=5.1环绕声</summary>
+    public required int Channels { get; set; }
+
+    /// <summary>采样率，如 44100、48000、96000 Hz</summary>
+    public required int SampleRate { get; set; }
+
+    /// <summary>文件类型，音频格式（WAV、MP3、AIFF、FLAC等）</summary>
+    public required string Type { get; set; }
+    
+    /// <summary>导入日期，音频入库的时间</summary>
+    public required DateTime DateAdded { get; set; }
+
+    /// <summary>修改日期，音频创建或录制的日期</summary>
+    public required DateTime OriginalModificationDate { get; set; }
+    
+    /// <summary>创建时间，音频文件的原始创建时间</summary>
+    public required DateTime OriginationTime { get; set; }
+    
+#endregion
 
     /// <summary>短ID，便于人工识别或显示的简短标识</summary>
     public string? ShortId { get; set; }
 
-    /// <summary>原始导入路径，音频文件被导入时的完整文件路径</summary>
-    public string Path { get; set; }
-
-    /// <summary>文件名，包含扩展名的音频文件名称（如 sound.wav）</summary>
-    public string Filename { get; set; }
-
-    /// <summary>文件夹，文件所在的文件夹名称</summary>
-    public string Folder { get; set; }
-
-    /// <summary>目录，文件的存储目录路径</summary>
-    public string Directory { get; set; }
-
-    /// <summary>时长，音频文件的播放长度（通常以秒为单位）</summary>
-    public double Duration { get; set; }
-    
-    public int TotalSamples { get; set; }
-
-    /// <summary>位深度，音频采样位深（如 16、24、32 bit）</summary>
-    public int BitDepth { get; set; }
-
-    /// <summary>声道数，如 1=单声道、2=立体声、6=5.1环绕声</summary>
-    public int Channels { get; set; }
-
-    /// <summary>采样率，如 44100、48000、96000 Hz</summary>
-    public int SampleRate { get; set; }
-
-    /// <summary>文件类型，音频格式（WAV、MP3、AIFF、FLAC等）</summary>
-    public string Type { get; set; }
-
     /// <summary>节拍速度，每分钟节拍数，用于音乐类音频</summary>
     public double? Bpm { get; set; }
 
@@ -82,7 +95,7 @@ public class FileMeta
     public string? Keywords { get; set; }
 
     /// <summary>评分，音频质量或推荐度评分（如 0-5星）</summary>
-    public decimal? Rating { get; set; }
+    public uint? Rating { get; set; }
 
     /// <summary>艺术家，表演者或演奏者名称</summary>
     public string? Artist { get; set; }
@@ -137,15 +150,6 @@ public class FileMeta
 
     /// <summary>同步点，用于音视频同步的参考点</summary>
     public int? SyncPoint { get; set; }
-
-    /// <summary>导入日期，音频入库的时间</summary>
-    public DateTime DateAdded { get; set; }
-
-    /// <summary>修改日期，音频创建或录制的日期</summary>
-    public DateTime OriginalModificationDate { get; set; }
-    
-    /// <summary>创建时间，音频文件的原始创建时间</summary>
-    public DateTime OriginationTime { get; set; }
     
     public DateTime? ReleaseDate { get; set; }
 
@@ -155,7 +159,7 @@ public class FileMeta
     public bool? IsEdited { get; set; }
 
     /// <summary>是否已分割，布尔值，标记是否从长文件中分割出来</summary>
-    public int? IsSplit { get; set; }
+    public bool? IsSplit { get; set; }
 
     /// <summary>位置，录音地点或存储位置</summary>
     public string? Location { get; set; }
diff --git a/src/Core/Core.csproj b/src/Core/Core.csproj
index 62178bc..fabe4d1 100644
--- a/src/Core/Core.csproj
+++ b/src/Core/Core.csproj
@@ -9,6 +9,7 @@
     <ItemGroup>
       <PackageReference Include="Dapper" Version="2.1.72" />
       <PackageReference Include="System.Data.SQLite" Version="2.0.3" />
+      <PackageReference Include="z440.atl.core" Version="7.12.0" />
     </ItemGroup>
 
 </Project>
diff --git a/src/Core/Database.cs b/src/Core/Database.cs
new file mode 100644
index 0000000..e53d385
--- /dev/null
+++ b/src/Core/Database.cs
@@ -0,0 +1,9 @@
+namespace OCES.Resonance.Core;
+
+public static class Database
+{
+    internal static bool AddEntry()
+    {
+        return false;
+    }
+}