diff --git a/LibBundle/BundleContainer.cs b/LibBundle/BundleContainer.cs
index 75c1e86..535fb60 100644
--- a/LibBundle/BundleContainer.cs
+++ b/LibBundle/BundleContainer.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
@@ -7,10 +6,8 @@
 namespace LibBundle {
     public class BundleContainer {
         [DllImport("oo2core_8_win64.dll")]
-        [SuppressMessage("Interoperability", "CA1401:不應看得見 P/Invoke")]
         public static extern int OodleLZ_Decompress(byte[] buffer, int bufferSize, byte[] result, long outputBufferSize, int a, int b, int c, IntPtr d, long e, IntPtr f, IntPtr g, IntPtr h, long i, int ThreadModule);
         [DllImport("oo2core_8_win64.dll")]
-        [SuppressMessage("Interoperability", "CA1401:不應看得見 P/Invoke")]
         public static extern int OodleLZ_Compress(ENCODE_TYPES format, byte[] buffer, long bufferSize, byte[] outputBuffer, COMPRESSTION_LEVEL level, IntPtr opts, long offs, long unused, IntPtr scratch, long scratch_size);
         public enum ENCODE_TYPES {
             LZH = 0,
@@ -118,7 +115,7 @@ public virtual MemoryStream Read(BinaryReader br) {
                 var b = br.ReadBytes(chunks[i]);
                 var size = (i + 1 == entry_count) ? uncompressed_size - (chunk_size * (entry_count - 1)) : chunk_size; // isLast ?
                 var toSave = new byte[size + 64];
-                OodleLZ_Decompress(b, b.Length, toSave, size, 0, 0, 0, IntPtr.Zero, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0, 3);
+                _ = OodleLZ_Decompress(b, b.Length, toSave, size, 0, 0, 0, IntPtr.Zero, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0, 3);
                 data.Write(toSave, 0, size);
             }
 
diff --git a/LibBundle/IndexContainer.cs b/LibBundle/IndexContainer.cs
index 5f60d87..828d28e 100644
--- a/LibBundle/IndexContainer.cs
+++ b/LibBundle/IndexContainer.cs
@@ -57,7 +57,7 @@ public IndexContainer(BinaryReader br)
             databr.BaseStream.Seek(tmp, SeekOrigin.Begin);
 
             var directoryBundle = new BundleContainer(databr);
-            var br2 = new BinaryReader(directoryBundle.Read(databr));
+            var br2 = new BinaryReader(directoryBundle.Read(databr), Encoding.UTF8);
             // Array.Sort(Directorys, new Comparison<DirectoryRecord>((dr1, dr2) => { return dr1.Offset > dr2.Offset ? 1 : -1; }));
             foreach (var d in Directorys)
             {
@@ -183,15 +183,15 @@ public BundleRecord GetSmallestBundle(IList<BundleRecord> Bundles = null)
         public static ulong FNV1a64Hash(string str)
         {
             if (str.EndsWith('/'))
-                str = str.TrimEnd(new char[] { '/' }) + "++";
+                str = str.TrimEnd('/') + "++";
             else
                 str = str.ToLower() + "++";
 
             var bs = Encoding.UTF8.GetBytes(str);
-            var hash = 0xcbf29ce484222325L;
+            var hash = 0xCBF29CE484222325UL;
             foreach (var by in bs)
-                hash = (hash ^ by) * 0x100000001b3;
-            // Equal to: bs.Aggregate(0xcbf29ce484222325, (current, by) => (current ^ by) * 0x100000001b3);
+                hash = (hash ^ by) * 0x100000001B3UL;
+            // Equal to: bs.Aggregate(0xCBF29CE484222325UL, (current, by) => (current ^ by) * 0x100000001B3);
             return hash;
         }
     }
diff --git a/LibBundle/LibBundle.csproj b/LibBundle/LibBundle.csproj
index 5288c84..b35b042 100644
--- a/LibBundle/LibBundle.csproj
+++ b/LibBundle/LibBundle.csproj
@@ -4,8 +4,9 @@
     <TargetFramework>net5.0</TargetFramework>
     <Authors>aianlinb</Authors>
     <Copyright>Copyright © 2020 aianlinb.</Copyright>
-    <AssemblyVersion>2.4.1.0</AssemblyVersion>
+    <AssemblyVersion>2.4.2.0</AssemblyVersion>
     <Platforms>x64</Platforms>
+    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
diff --git a/LibBundle/Records/BundleRecord.cs b/LibBundle/Records/BundleRecord.cs
index 27f1d1b..9f2278c 100644
--- a/LibBundle/Records/BundleRecord.cs
+++ b/LibBundle/Records/BundleRecord.cs
@@ -56,8 +56,10 @@ public void Read(BinaryReader br = null, long? Offset = null)
         public void Save(string newPath = null, string originalPath = null)
         {
             if (newPath == null && originalPath == null && Bundle.path == null)
-                throw new ArgumentNullException();
-            var data = new MemoryStream();
+#pragma warning disable CA2208 // 正確地將引數例外狀況具現化
+				throw new ArgumentNullException();
+#pragma warning restore CA2208 // 正確地將引數例外狀況具現化
+			var data = new MemoryStream();
             foreach (var d in FileToAdd)
             {
                 d.Key.Offset = (int)data.Position + Bundle.uncompressed_size;