diff --git a/Modules/ExtendedPlayerControl.cs b/Modules/ExtendedPlayerControl.cs
index 486abb2b7..f791d8655 100644
--- a/Modules/ExtendedPlayerControl.cs
+++ b/Modules/ExtendedPlayerControl.cs
@@ -417,7 +417,7 @@ static class ExtendedPlayerControl
         _ = new LateTask(() =>
         {
             pc.RpcDesyncRepairSystem(systemtypes, 16);
-            if (Main.NormalOptions.MapId == 4) //Airship用
+            if (Main.NormalOptions.MapId == 4) // Airship only
                 pc.RpcDesyncRepairSystem(systemtypes, 17);
         }, 0.4f + delay, "Fix Desync Reactor");
     }
diff --git a/Modules/HashAuth.cs b/Modules/HashAuth.cs
index a2bbf0e4a..e19c38041 100644
--- a/Modules/HashAuth.cs
+++ b/Modules/HashAuth.cs
@@ -8,7 +8,7 @@ public class HashAuth
     public readonly string HashValue;
 
     private readonly string salt;
-    private HashAlgorithm algorithm;
+    private readonly HashAlgorithm algorithm;
     public HashAuth(string hashValue, string salt = null, HashAlgorithm algorithm = null)
     {
         HashValue = hashValue;
diff --git a/Modules/LocateArrow.cs b/Modules/LocateArrow.cs
index 1126474cb..33ff2092a 100644
--- a/Modules/LocateArrow.cs
+++ b/Modules/LocateArrow.cs
@@ -25,7 +25,7 @@ static class LocateArrow
         }
     }
 
-    static Dictionary<ArrowInfo, string> LocateArrows = new();
+    static readonly Dictionary<ArrowInfo, string> LocateArrows = new();
     static readonly string[] Arrows = {
         "↑",
         "↗",
diff --git a/Modules/ModUpdater.cs b/Modules/ModUpdater.cs
index f482e8e84..af70f92b2 100644
--- a/Modules/ModUpdater.cs
+++ b/Modules/ModUpdater.cs
@@ -306,7 +306,7 @@ public class ModUpdater
                     byte[] buffer = new byte[1024];
                     long readLength = 0;
                     int length;
-                    while ((length = await stream.ReadAsync(buffer, 0, buffer.Length)) != 0)
+                    while ((length = await stream.ReadAsync(buffer)) != 0)
                     {
                         // 写入到文件
                         fileStream.Write(buffer, 0, length);
diff --git a/Modules/TargetArrow.cs b/Modules/TargetArrow.cs
index 92ed27929..327be1ecd 100644
--- a/Modules/TargetArrow.cs
+++ b/Modules/TargetArrow.cs
@@ -26,7 +26,7 @@ static class TargetArrow
         }
     }
 
-    static Dictionary<ArrowInfo, string> TargetArrows = new();
+    static readonly Dictionary<ArrowInfo, string> TargetArrows = new();
     static readonly string[] Arrows = {
         "↑",
         "↗",
diff --git a/Modules/TemplateManager.cs b/Modules/TemplateManager.cs
index 0dc5bb004..6e90e4fe7 100644
--- a/Modules/TemplateManager.cs
+++ b/Modules/TemplateManager.cs
@@ -15,7 +15,7 @@ namespace TOHE;
 public static class TemplateManager
 {
     private static readonly string TEMPLATE_FILE_PATH = "./TOHE_DATA/template.txt";
-    private static Dictionary<string, Func<string>> _replaceDictionary = new()
+    private static readonly Dictionary<string, Func<string>> _replaceDictionary = new()
     {
         ["RoomCode"] = () => InnerNet.GameCode.IntToGameName(AmongUsClient.Instance.GameId),
         ["PlayerName"] = () => DataManager.Player.Customization.Name,
diff --git a/Patches/GameOptionsMenuPatch.cs b/Patches/GameOptionsMenuPatch.cs
index f4f492265..89bf17246 100644
--- a/Patches/GameOptionsMenuPatch.cs
+++ b/Patches/GameOptionsMenuPatch.cs
@@ -160,8 +160,7 @@ public class GameOptionsMenuUpdatePatch
         for (int i = 0; i < list.Count; i++)
         {
             object tab = list[i];
-            string tabcolor = string.Empty;
-            tabcolor = tab switch
+            string tabcolor = tab switch
             {
                 TabGroup.SystemSettings => Main.ModColor,
                 TabGroup.GameSettings => "#59ef83",
diff --git a/Patches/onGameStartedPatch.cs b/Patches/onGameStartedPatch.cs
index 698006939..b34ced7f8 100644
--- a/Patches/onGameStartedPatch.cs
+++ b/Patches/onGameStartedPatch.cs
@@ -1000,7 +1000,7 @@ internal class SelectRolesPatch
                 GameOptionsSender.AllSenders.Add(new PlayerGameOptionsSender(pc));
             }
 
-            // ResetCamが必要なプレイヤーのリストにクラス化が済んでいない役職のプレイヤーを追加
+            // Added players with unclassified roles to the list of players who require ResetCam.
             Main.ResetCamPlayerList.AddRange(Main.AllPlayerControls.Where(p => p.GetCustomRole() is CustomRoles.Arsonist or CustomRoles.Revolutionist or CustomRoles.Sidekick or CustomRoles.KB_Normal).Select(p => p.PlayerId));
             Utils.CountAlivePlayers(true);
             Utils.SyncAllSettings();