diff --git a/FGOAssetsModifyTool/CatAndMouseGame.cs b/FGOAssetsModifyTool/CatAndMouseGame.cs
index 6945270..b40a7a3 100644
--- a/FGOAssetsModifyTool/CatAndMouseGame.cs
+++ b/FGOAssetsModifyTool/CatAndMouseGame.cs
@@ -286,14 +286,14 @@ public byte[] MouseGame4(byte[] data, string key)
 
 		public byte[] CatHomeMain(byte[] data, byte[] home, byte[] info, bool isCompress = false)
 		{
-			byte[] result = null;
+			byte[] result = data;
 			try
 			{
 				if (isCompress)
 				{
-					using (MemoryStream inStream = new MemoryStream(data))
+					using (MemoryStream inStream = new(data))
 					{
-						using (MemoryStream outStream = new MemoryStream())
+						using (MemoryStream outStream = new())
 						{
 							if (fileType == FileType.CN)
 							{
@@ -312,9 +312,7 @@ public byte[] CatHomeMain(byte[] data, byte[] home, byte[] info, bool isCompress
 				var keyParam = new KeyParameter(home);
 				var keyParamWithIV = new ParametersWithIV(keyParam, info, 0, 32);
 				cipher.Init(true, keyParamWithIV);
-				var buffer = new byte[cipher.GetOutputSize(result.Length)];
-				var length = cipher.ProcessBytes(result, buffer, 0);
-				cipher.DoFinal(buffer, length);
+				var buffer = cipher.DoFinal(result);
 				result = buffer;
 			}
 			catch (Exception ex)
@@ -335,16 +333,7 @@ public static byte[] MouseHomeMain(byte[] data, byte[] home, byte[] info, bool i
 				var keyParam = new KeyParameter(home);
 				var keyParamWithIV = new ParametersWithIV(keyParam, info, 0, 32);
 				cipher.Init(false, keyParamWithIV);
-				var buffer = new byte[cipher.GetOutputSize(data.Length)];
-				var length = cipher.ProcessBytes(data, buffer, 0);
-				cipher.DoFinal(buffer, length);
-
-				if (buffer.Length != length)
-				{
-					var tmp = new byte[length];
-					Array.Copy(buffer, 0, tmp, 0, length);
-					buffer = tmp;
-				}
+				var buffer = cipher.DoFinal(data);
 
 				if (isCompress)
 				{
diff --git a/FGOAssetsModifyTool/Program.cs b/FGOAssetsModifyTool/Program.cs
index 4201d9e..4918d23 100644
--- a/FGOAssetsModifyTool/Program.cs
+++ b/FGOAssetsModifyTool/Program.cs
@@ -22,9 +22,10 @@ static async void DisplayMenuAsync()
 			try
 			{
 				Console.WriteLine(
-					"初始化顺序：3->7->4->6->0\n" +
-					"之后直接选择：0\n" +
-					"注意：日服的AssetStorage.txt必须选择4下载，从游戏中提取的格式不同\n" +
+					"注意：日服第一次使用之前需要初始化，初始化顺序：3->7->4->6->0\n" +
+					"之后运行直接选择：0\n" +
+					"当然，如果有新的资源，也需要重新初始化一遍。\n" +
+					"日服的AssetStorage.txt必须选择4下载，从游戏中提取的格式不同。\n" +
 					"0: 载入assetbundleinfo\n" +
 					"1: 加密\t" +
 					"2: 解密\n" +
@@ -473,7 +474,7 @@ static async void DisplayMenuAsync()
 
 								if (ScriptReplaceRules.Count != 0)
 								{
-									foreach(var rule in ScriptReplaceRules)
+									foreach (var rule in ScriptReplaceRules)
 									{
 										OutputTxt = OutputTxt.Replace(rule.Key, rule.Value);
 									}