diff --git a/ncmdumpGUI/NeteaseCopyrightData.cs b/ncmdumpGUI/NeteaseCopyrightData.cs
index 6b58bca..3991cd7 100644
--- a/ncmdumpGUI/NeteaseCopyrightData.cs
+++ b/ncmdumpGUI/NeteaseCopyrightData.cs
@@ -11,7 +11,7 @@ namespace ncmdumpGUI
     class NeteaseCopyrightData
     {
         [DataMember(Name = "musicId")]
-        public int MusicId { get; set; }
+        public Int64 MusicId { get; set; }
 
         [DataMember(Name = "musicName")]
         public string MusicName { get; set; }
@@ -20,7 +20,7 @@ class NeteaseCopyrightData
         public List<List<object>> Artist { get; set; }
 
         [DataMember(Name = "albumId")]
-        public int AlbumId { get; set; }
+        public Int64 AlbumId { get; set; }
 
         [DataMember(Name = "album")]
         public string Album { get; set; }
@@ -40,8 +40,8 @@ class NeteaseCopyrightData
         [DataMember(Name = "duration")]
         public int Duration { get; set; }
 
-        [DataMember(Name = "mvId")]
-        public int MvId { get; set; }
+        [DataMember(Name = "mvId")] 
+        public Object MvId { get; set; }
 
         [DataMember(Name = "alias")]
         public List<string> Alias { get; set; }