diff --git a/Qwilight/ModeComponent.cs b/Qwilight/ModeComponent.cs
index 17caa04..b36d47b 100644
--- a/Qwilight/ModeComponent.cs
+++ b/Qwilight/ModeComponent.cs
@@ -89,6 +89,7 @@
         FaintNoteMode _faintNoteMode;
         JudgmentMode _judgmentMode = JudgmentMode.Default;
         HitPointsMode _hitPointsMode = HitPointsMode.Highest;
+        HitPointsMode _handlingHitPointsMode = HitPointsMode.Highest;
         NoteMobilityMode _noteMobilityMode;
         LongNoteMode _longNoteMode;
         InputFavorMode _inputFavorMode;
@@ -113,27 +114,27 @@
 
         public ModeComponent()
         {
-            ComponentValue = new Component(BPM);
+            ComponentValue = new(BPM);
         }
 
         public ModeComponent(Computing valueComputing, JSON.TwilightQuitNet.QuitNetItem quitNetItem)
         {
-            ComponentValue = new Component(quitNetItem.bpm);
+            ComponentValue = new(quitNetItem.bpm);
             ComputingValue = valueComputing;
-            AutoModeValue = (AutoMode)quitNetItem.autoMode;
-            NoteSaltModeValue = (NoteSaltMode)quitNetItem.noteSaltMode;
+            AutoModeValue = quitNetItem.autoMode;
+            NoteSaltModeValue = quitNetItem.noteSaltMode;
             AudioMultiplier = quitNetItem.audioMultiplier;
-            FaintNoteModeValue = (FaintNoteMode)quitNetItem.faintNoteMode;
-            JudgmentModeValue = (JudgmentMode)quitNetItem.judgmentMode;
-            HitPointsModeValue = (HitPointsMode)quitNetItem.hitPointsMode;
-            NoteMobilityModeValue = (NoteMobilityMode)quitNetItem.noteMobilityMode;
-            LongNoteModeValue = (LongNoteMode)quitNetItem.longNoteMode;
-            InputFavorModeValue = (InputFavorMode)quitNetItem.inputFavorMode;
-            NoteModifyModeValue = (NoteModifyMode)quitNetItem.noteModifyMode;
-            BPMModeValue = (BPMMode)quitNetItem.bpmMode;
-            WaveModeValue = (WaveMode)quitNetItem.waveMode;
-            SetNoteModeValue = (SetNoteMode)quitNetItem.setNoteMode;
-            LowestJudgmentConditionModeValue = (LowestJudgmentConditionMode)quitNetItem.lowestJudgmentConditionMode;
+            FaintNoteModeValue = quitNetItem.faintNoteMode;
+            JudgmentModeValue = quitNetItem.judgmentMode;
+            HitPointsModeValue = quitNetItem.hitPointsMode;
+            NoteMobilityModeValue = quitNetItem.noteMobilityMode;
+            LongNoteModeValue = quitNetItem.longNoteMode;
+            InputFavorModeValue = quitNetItem.inputFavorMode;
+            NoteModifyModeValue = quitNetItem.noteModifyMode;
+            BPMModeValue = quitNetItem.bpmMode;
+            WaveModeValue = quitNetItem.waveMode;
+            SetNoteModeValue = quitNetItem.setNoteMode;
+            LowestJudgmentConditionModeValue = quitNetItem.lowestJudgmentConditionMode;
             SentMultiplier = quitNetItem.multiplier;
             MultiplierValue = BPM * AudioMultiplier * SentMultiplier;
             HighestJudgment0 = quitNetItem.highestJudgment0;
@@ -390,7 +391,6 @@
                 if (SetProperty(ref _hitPointsMode, value, nameof(HitPointsModeValue)))
                 {
                     OnPropertyChanged(nameof(HitPointsModeContents));
-                    OnPropertyChanged(nameof(CanBeTwilightCommentContents));
                 }
                 HandlingHitPointsModeValue = value;
             }
@@ -399,7 +399,18 @@
         public string HitPointsModeContents => LanguageSystem.Instance.HitPointsModeTexts[(int)HitPointsModeValue];
 
         [JsonIgnore]
-        public HitPointsMode HandlingHitPointsModeValue { get; set; }
+        public HitPointsMode HandlingHitPointsModeValue
+        {
+            get => _handlingHitPointsMode;
+
+            set
+            {
+                if (SetProperty(ref _handlingHitPointsMode, value))
+                {
+                    OnPropertyChanged(nameof(CanBeTwilightCommentContents));
+                }
+            }
+        }
 
         public Color HandlingHitPointsColor => BaseUI.Instance.HitPointsColor[(int)HandlingHitPointsModeValue];
 
diff --git a/Qwilight/Qwilight.csproj b/Qwilight/Qwilight.csproj
index 325eef5..d0ba61f 100644
--- a/Qwilight/Qwilight.csproj
+++ b/Qwilight/Qwilight.csproj
@@ -61,9 +61,7 @@
 		<PackageReference Include="NAudio" Version="2.2.1" />
 		<PackageReference Include="OpusDotNet" Version="1.0.3" />
 		<PackageReference Include="SharpCompress" Version="0.36.0" />
-		<PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
 		<PackageReference Include="System.Data.SQLite" Version="1.0.118" />
-		<PackageReference Include="System.Drawing.Common" Version="8.0.1" />
 		<PackageReference Include="System.Management" Version="8.0.0" />
 		<PackageReference Include="UTF.Unknown" Version="2.5.1" />
 		<PackageReference Include="Vortice.DirectInput" Version="3.3.4" />
diff --git a/Qwilight/System/AudioSystem/AudioSystem.cs b/Qwilight/System/AudioSystem/AudioSystem.cs
index 4fc7ffa..dc87f85 100644
--- a/Qwilight/System/AudioSystem/AudioSystem.cs
+++ b/Qwilight/System/AudioSystem/AudioSystem.cs
@@ -164,7 +164,7 @@
 
         public ConcurrentDictionary<string, AudioItem> DefaultAudioItemMap { get; } = new();
 
-        public string GetDefaultAudioFileName(int randomMillis)
+        public string GetDefaultAudioFileName(long randomMillis)
         {
             var defaultAudioFilePathItems = Configure.Instance.DefaultAudioFilePathItems;
             var defaultAudioFilePathItemsLength = defaultAudioFilePathItems.Length;
diff --git a/Qwilight/System/BaseUI/BaseUI.cs b/Qwilight/System/BaseUI/BaseUI.cs
index 47b9ed6..2824c22 100644
--- a/Qwilight/System/BaseUI/BaseUI.cs
+++ b/Qwilight/System/BaseUI/BaseUI.cs
@@ -69,7 +69,7 @@
         readonly ConcurrentDictionary<string, AudioItem> _defaultAudioItemMap = new();
         readonly ConcurrentDictionary<string, Channel> _audioChannelMap = new();
 
-        public string GetDefaultAudioFileName(int randomMillis)
+        public string GetDefaultAudioFileName(long randomMillis)
         {
             var defaultAudioFileNames = _defaultAudioItemMap.Keys.ToArray();
             var defaultAudioFileNamesLength = defaultAudioFileNames.Length;
diff --git a/Qwilight/ViewModel/MainViewModel.cs b/Qwilight/ViewModel/MainViewModel.cs
index 2ee8833..28191df 100644
--- a/Qwilight/ViewModel/MainViewModel.cs
+++ b/Qwilight/ViewModel/MainViewModel.cs
@@ -76,7 +76,7 @@
         {
             EnableRaisingEvents = true
         };
-        int _randomMillis = Environment.TickCount;
+        long _randomMillis = Environment.TickCount64;
         DispatcherTimer _fadeInHandler;
         bool _isAvailable = true;
         string _twilightCommentText0 = string.Empty;
@@ -90,7 +90,7 @@
         int _entryItemPosition;
         EntryItem _entryItemValue;
         CancellationTokenSource _setCancelDefaultEntryLoading;
-        int? _lastLowerMillis;
+        long? _lastLowerMillis;
         bool _wasLowerMillis = true;
         bool _isUILoading;
         bool _isInputWantPointed;
@@ -568,7 +568,7 @@
                     {
                         ViewModels.Instance.HandleSilentlyClosableViewModels(silentlyClosableViewModel => silentlyClosableViewModel.OpenSilently());
                         NotifySystem.Instance.NotifyPending();
-                        _randomMillis = Environment.TickCount;
+                        _randomMillis = Environment.TickCount64;
                     }
                     else
                     {
@@ -2919,10 +2919,10 @@
                     if (_wasLowerMillis && !IsCommentMode)
                     {
                         _wasLowerMillis = false;
-                        var millis = Environment.TickCount;
+                        var millis = Environment.TickCount64;
                         if (_lastLowerMillis.HasValue)
                         {
-                            if (millis - _lastLowerMillis.Value > 500)
+                            if (millis - _lastLowerMillis.Value > 500L)
                             {
                                 _lastLowerMillis = millis;
                             }