diff --git a/Commons/Controls/MusicOrderViewer.cs b/Commons/Controls/MusicOrderViewer.cs
index f956392..e3dc201 100644
--- a/Commons/Controls/MusicOrderViewer.cs
+++ b/Commons/Controls/MusicOrderViewer.cs
@@ -10,6 +10,7 @@ using System.Drawing;
 using System.Linq;
 using System;
 using TaikoSoundEditor.Collections;
+using System.Text.RegularExpressions;
 
 namespace TaikoSoundEditor.Commons.Controls
 {
@@ -39,7 +40,7 @@ namespace TaikoSoundEditor.Commons.Controls
             else if (Config.MusicOrderSort == Config.MusicOrderSortValueId) 
             {
                 SongCards.Add(songCard);
-                SongCards.Sort((c1, c2) => c1.Id.CompareTo(c2.Id));
+                SongCards.Sort((c1, c2) => c1.MusicOrder.UniqueId.CompareTo(c2.MusicOrder.UniqueId));
             }
             else if (Config.MusicOrderSort == Config.MusicOrderSortValueGenre)
             {                
diff --git a/Commons/Controls/SongCard.cs b/Commons/Controls/SongCard.cs
index 4d8d21d..ed823a1 100644
--- a/Commons/Controls/SongCard.cs
+++ b/Commons/Controls/SongCard.cs
@@ -11,7 +11,7 @@ namespace TaikoSoundEditor.Commons.Controls
         internal WordList WordList { get; }
         public IMusicOrder MusicOrder { get; }
 
-        public string Id => $"{MusicOrder.UniqueId}.{MusicOrder.Id}";
+        public string Id => $"{MusicOrder.UniqueId}. {MusicOrder.Id}";
         public string Title => WordList.GetBySong(MusicOrder.Id).JapaneseText;
         public string Subtitle => WordList.GetBySongSub(MusicOrder.Id).JapaneseText;
         public string Genre => MusicOrder.Genre.ToString();