diff --git a/FunGame.Server/Controllers/DataRequestController.cs b/FunGame.Server/Controllers/DataRequestController.cs
index 38f53d7..51ef0ee 100644
--- a/FunGame.Server/Controllers/DataRequestController.cs
+++ b/FunGame.Server/Controllers/DataRequestController.cs
@@ -315,7 +315,7 @@ namespace Milimoe.FunGame.Server.Controller
                             if (SQLHelper.Result == SQLResult.Success)
                             {
                                 ServerHelper.WriteLine("[CreateRoom] Master: " + user.Username + " RoomID: " + roomid);
-                                DataRow? dr = SQLHelper.ExecuteDataRow(RoomQuery.Select_IsExistRoom(SQLHelper, roomid));
+                                DataRow? dr = SQLHelper.ExecuteDataRow(RoomQuery.Select_RoomByRoomId(SQLHelper, roomid));
                                 if (dr != null)
                                 {
                                     room = Factory.GetRoom(dr, user);
@@ -355,7 +355,7 @@ namespace Milimoe.FunGame.Server.Controller
                 string roomid = DataRequest.GetDictionaryJsonObject<string>(requestData, "roomid") ?? "-1";
                 bool isMaster = DataRequest.GetDictionaryJsonObject<bool>(requestData, "isMaster");
 
-                if (roomid != "-1" && FunGameSystem.RoomList.IsExist(roomid))
+                if (roomid != "-1" && FunGameSystem.RoomList.Exists(roomid))
                 {
                     Room room = FunGameSystem.RoomList[roomid];
                     RoomEventArgs eventArgs = new(room);
@@ -403,7 +403,7 @@ namespace Milimoe.FunGame.Server.Controller
                     }
                     else if (SQLHelper != null)
                     {
-                        SQLHelper.ExecuteDataSet(RoomQuery.Select_IsExistRoom(SQLHelper, roomid));
+                        SQLHelper.ExecuteDataSet(RoomQuery.Select_RoomByRoomId(SQLHelper, roomid));
                         if (SQLHelper.Success)
                         {
                             FunGameSystem.RoomList.IntoRoom(roomid, Server.User);
@@ -897,7 +897,7 @@ namespace Milimoe.FunGame.Server.Controller
             string newModule = DataRequest.GetDictionaryJsonObject<string>(requestData, "module") ?? "";
             string newMap = DataRequest.GetDictionaryJsonObject<string>(requestData, "map") ?? "";
             User user = Server.User;
-            if (roomid != "-1" && FunGameSystem.RoomList.IsExist(roomid))
+            if (roomid != "-1" && FunGameSystem.RoomList.Exists(roomid))
             {
                 Room room = FunGameSystem.RoomList[roomid];
                 RoomEventArgs eventArgs = new(room);
@@ -973,7 +973,7 @@ namespace Milimoe.FunGame.Server.Controller
                 string roomid = DataRequest.GetDictionaryJsonObject<string>(requestData, "roomid") ?? "-1";
                 User newMaster = DataRequest.GetDictionaryJsonObject<User>(requestData, "newMaster") ?? Factory.GetUser();
 
-                if (roomid != "-1" && FunGameSystem.RoomList.IsExist(roomid) && newMaster.Id != 0)
+                if (roomid != "-1" && FunGameSystem.RoomList.Exists(roomid) && newMaster.Id != 0)
                 {
                     Room room = FunGameSystem.RoomList[roomid];
                     RoomEventArgs eventArgs = new(room);
diff --git a/FunGame.Server/Main.cs b/FunGame.Server/Main.cs
index 3290139..4cdb7cd 100644
--- a/FunGame.Server/Main.cs
+++ b/FunGame.Server/Main.cs
@@ -16,7 +16,7 @@ HTTPListener? WebSocketListener = null;
 ServerHelper.WriteLine("正在读取配置文件并初始化服务 . . .");
 
 // 检查是否存在配置文件
-if (!INIHelper.ExistINIFile())
+if (!INIHelper.INIFileExists())
 {
     ServerHelper.WriteLine("未检测到配置文件，将自动创建配置文件 . . .");
     INIHelper.Init(Config.FunGameType);
diff --git a/FunGame.Server/Models/ConnectProperties.cs b/FunGame.Server/Models/ConnectProperties.cs
index b4df997..04f14b3 100644
--- a/FunGame.Server/Models/ConnectProperties.cs
+++ b/FunGame.Server/Models/ConnectProperties.cs
@@ -20,7 +20,7 @@ namespace Milimoe.FunGame.Server.Models
         {
             if (Name == "" && DataSource == "" && Port == "" && DataBase == "" && User == "" && Password == "")
             {
-                if (INIHelper.ExistINIFile())
+                if (INIHelper.INIFileExists())
                 {
                     DataSource = INIHelper.ReadINI("MySQL", "DBServer");
                     Port = INIHelper.ReadINI("MySQL", "DBPort");
@@ -41,7 +41,7 @@ namespace Milimoe.FunGame.Server.Models
         {
             if (DataSource == "")
             {
-                if (INIHelper.ExistINIFile())
+                if (INIHelper.INIFileExists())
                 {
                     DataSource = INIHelper.ReadINI("SQLite", "DataSource");
                 }
diff --git a/FunGame.Server/Services/DataRequestService.cs b/FunGame.Server/Services/DataRequestService.cs
index 6e20f8d..6bdf87a 100644
--- a/FunGame.Server/Services/DataRequestService.cs
+++ b/FunGame.Server/Services/DataRequestService.cs
@@ -73,7 +73,7 @@ namespace Milimoe.FunGame.Server.Services
         internal static (string Msg, RegInvokeType Type, bool Success) HandleNoVerifyCode(SQLHelper sqlHelper, MailSender? mailSender, string username, string email, string clientName)
         {
             // 先检查账号是否重复
-            sqlHelper.ExecuteDataSet(UserQuery.Select_IsExistUsername(sqlHelper, username));
+            sqlHelper.ExecuteDataSet(UserQuery.Select_UserByUsername(sqlHelper, username));
             if (sqlHelper.Result == SQLResult.Success)
             {
                 ServerHelper.WriteLine(clientName + " 账号已被注册");
@@ -81,7 +81,7 @@ namespace Milimoe.FunGame.Server.Services
             }
 
             // 检查邮箱是否重复
-            sqlHelper.ExecuteDataSet(UserQuery.Select_IsExistEmail(sqlHelper, email));
+            sqlHelper.ExecuteDataSet(UserQuery.Select_UserByEmail(sqlHelper, email));
             if (sqlHelper.Result == SQLResult.Success)
             {
                 ServerHelper.WriteLine(clientName + " 邮箱已被注册");
diff --git a/FunGame.Server/Services/FunGameSystem.cs b/FunGame.Server/Services/FunGameSystem.cs
index 7bdfe98..9cdf474 100644
--- a/FunGame.Server/Services/FunGameSystem.cs
+++ b/FunGame.Server/Services/FunGameSystem.cs
@@ -85,7 +85,7 @@ namespace Milimoe.FunGame.Server.Services
                     SQLMode.SQLite => new SQLiteHelper(),
                     _ => null,
                 });
-                if (INIHelper.ExistINIFile())
+                if (INIHelper.INIFileExists())
                 {
                     string useMySQL = INIHelper.ReadINI("MySQL", "UseMySQL").Trim();
                     string useSQLite = INIHelper.ReadINI("SQLite", "UseSQLite").Trim();
@@ -238,7 +238,7 @@ namespace Milimoe.FunGame.Server.Services
                 ServerHelper.Error(e);
             }
         }
-        
+
         /// <summary>
         /// Web API 启动完成回调
         /// </summary>
diff --git a/FunGame.Server/Services/General.cs b/FunGame.Server/Services/General.cs
index 1b5eef1..1e913b2 100644
--- a/FunGame.Server/Services/General.cs
+++ b/FunGame.Server/Services/General.cs
@@ -148,7 +148,7 @@ namespace Milimoe.FunGame.Server.Services
         private static Hashtable GetServerSettingHashtable()
         {
             Hashtable settings = [];
-            if (INIHelper.ExistINIFile())
+            if (INIHelper.INIFileExists())
             {
                 settings.Add("LogLevel", INIHelper.ReadINI("Console", "LogLevel"));
                 settings.Add("Name", INIHelper.ReadINI("Server", "Name"));
@@ -260,7 +260,7 @@ namespace Milimoe.FunGame.Server.Services
             {
                 if (SenderMailAddress == "" && SenderName == "" && SenderPassword == "" && SmtpHost == "")
                 {
-                    if (INIHelper.ExistINIFile())
+                    if (INIHelper.INIFileExists())
                     {
                         if (bool.TryParse(INIHelper.ReadINI("Mailer", "UseMailSender").ToLower(), out bool use))
                         {
diff --git a/FunGame.WebAPI/Program.cs b/FunGame.WebAPI/Program.cs
index e3a544f..40c84cd 100644
--- a/FunGame.WebAPI/Program.cs
+++ b/FunGame.WebAPI/Program.cs
@@ -37,7 +37,7 @@ try
     ServerHelper.WriteLine("正在读取配置文件并初始化服务 . . .");
 
     // 检查是否存在配置文件
-    if (!INIHelper.ExistINIFile())
+    if (!INIHelper.INIFileExists())
     {
         ServerHelper.WriteLine("未检测到配置文件，将自动创建配置文件 . . .");
         INIHelper.Init(Config.FunGameType);