添加命令行参数支持和未处理异常提示

src/Config/AppConfig.cs

@@ -69,7 +69,10 @@ namespace iFileProxy.Config
                 }
 
                 var databaseHelper = serviceProvider.GetRequiredService<DatabaseGateService>();
-                databaseHelper.TestDbConfig();
+                if (databaseHelper.TestDbConfig())
+                {
+                    _logger.Information("数据库配置验证成功.");
+                }
             }
             else
             {
@@ -120,40 +123,40 @@ namespace iFileProxy.Config
     public partial class Common
     {
         [JsonPropertyName("Host")]
-        public string Host { get; set; }
+        public string Host { get; set; } = string.Empty;
 
         [JsonPropertyName("Port")]
-        public int Port { get; set; } = 3306;
+        public uint Port { get; set; } = 3306;
 
         [JsonPropertyName("User")]
-        public string User { get; set; }
+        public string User { get; set; } = string.Empty;
 
         [JsonPropertyName("Password")]
-        public string Password { get; set; }
+        public string Password { get; set; } = string.Empty;
     }
     public partial class DB
     {
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("Host")]
-        public string Host { get; set; }
+        public string? Host { get; set; }
 
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("Port")]
-        public long? Port { get; set; } = 3306;
+        public uint? Port { get; set; } = null;
 
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("User")]
-        public string User { get; set; }
+        public string? User { get; set; }
 
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         [JsonPropertyName("Password")]
-        public string Password { get; set; }
+        public string? Password { get; set; }
 
         [JsonPropertyName("DatabaseName")]
-        public string DatabaseName { get; set; }
+        public string? DatabaseName { get; set; }
 
         [JsonPropertyName("Description")]
-        public string Description { get; set; }
+        public string? Description { get; set; }
     }
 
     public class StreamProxyOptions

src/Handlers/CmdArgsHandler.cs

@@ -0,0 +1,37 @@
+using iFileProxy.Config;
+using iFileProxy.Helpers;
+using iFileProxy.Services;
+namespace iFileProxy.Handlers
+{
+    public class CmdArgsHandler
+    {
+        public static void ParseArgs(string[] args)
+        {
+            if (args.Length == 0)
+                return;
+            Dictionary<string, string> helpStrings = [];
+            helpStrings.Add("--init-db", "初始化数据库");
+            helpStrings.Add("--dev-logger", "启用开发者logger");
+            helpStrings.Add("--disable-startup-check", "禁用启动时程序配置自检");
+            helpStrings.Add("--url=<Url>", "设置程序app.run() Url 如: http://0.0.0.0:1145");
+
+            if (args.Contains("-h") || args.Contains("--help"))
+            {
+                Console.WriteLine("命令行参数帮助: ");
+                foreach (var hs in helpStrings)
+                {
+                    Console.WriteLine($"\t{hs.Key}\t{hs.Value}");
+                }
+                Environment.Exit(0);
+            }
+
+            CommandLineArgsHelper cmdlineHelper = new(args);
+
+            if (cmdlineHelper.GetBooleanValue("--init-db"))
+            {
+                DatabaseGateService databaseGateService = new(AppConfig.GetCurrConfig());
+                databaseGateService.TryInitialDB();
+            }
+        }
+    }
+}

src/Helpers/CommandLineArgsHelper.cs

@@ -0,0 +1,51 @@
+using Newtonsoft.Json;
+using Serilog;
+
+namespace iFileProxy.Helpers
+{
+
+    public class CommandLineArgsHelper(string[] args)
+    {
+        private readonly Dictionary<string, string> _parameters = ParseArgs(args);
+        
+        // 解析命令行参数
+        private static Dictionary<string, string> ParseArgs(string[] args)
+        {
+            var parameters = new Dictionary<string, string>();
+
+            for (int i = 0; i < args.Length; i++)
+            {
+                var arg = args[i];
+
+                // 如果参数是键值对形式
+                if (arg.Contains('='))
+                {
+                    var parts = arg.Split(['='], 2);
+                    if (parts.Length == 2)
+                    {
+                        parameters[parts[0].TrimStart('-')] = parts[1];
+                    }
+                }
+                else
+                {
+                    // 如果参数是没有值的标志性参数（比如 --dev-logger）
+                    parameters[arg.TrimStart('-')] = "true";
+                }
+            }
+
+            return parameters;
+        }
+
+        // 获取指定参数的值，若无值则返回null
+        public string? GetStringValue(string key)
+        {
+            return _parameters.ContainsKey(key) ? _parameters[key] : null;
+        }
+
+        // 获取指定参数的布尔值，若参数值是 "true" 则返回true，否则返回false
+        public bool GetBooleanValue(string key)
+        {
+            return _parameters.ContainsKey(key) && _parameters[key].Equals("true", StringComparison.CurrentCultureIgnoreCase);
+        }
+    }
+}

src/Middlewares/ErrorHandlerMiddleware.cs

@@ -24,17 +24,13 @@ namespace iFileProxy.Middleware
                 await _next(context);
                 if (context.Response.HasStarted)
                 {
-                    _logger.Debug($"响应已经开始 错误处理中间件无法再修改其响应内容");
+                    _logger.Debug($"响应已经开始,无法再修改其响应内容");
                     return;
                 }
                 if (context.Response.StatusCode == 404)
                 {
-                    context.Response.OnStarting(async () =>
+                    context.Response.ContentType = "application/json";
-                        {
+                    await context.Response.WriteAsync(JsonSerializer.Serialize(new CommonRsp { Retcode = 404, Message = "你正在请求的资源不存在!" }));
-                            context.Response.ContentType = "application/json";
-                            await context.Response.WriteAsync(JsonSerializer.Serialize(new CommonRsp { Retcode = 404, Message = "你正在请求的资源不存在!" }));
-                        }
-                    );
                 }
             }
             catch (Exception ex)
@@ -46,7 +42,7 @@ namespace iFileProxy.Middleware
         private static Task HandleExceptionAsync(HttpContext context, Exception exception)
         {
             var code = HttpStatusCode.InternalServerError; // 500 if unexpected
-            _logger.Fatal("崩溃数据: {exception}\n上下文信息: {context}", exception, JsonSerializer.Serialize(MasterHelper.ExtractDebugInfo(context)));
+            _logger.Error("崩溃数据: {exception}\n上下文信息: {context}", exception, JsonSerializer.Serialize(MasterHelper.ExtractDebugInfo(context)));
             switch (exception)
             {
 

src/Middlewares/JwtMiddleware.cs

@@ -14,9 +14,9 @@ namespace iFileProxy.Middleware
 
         public async Task InvokeAsync(HttpContext context)
         {
-            var token = context.Request.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last();
+            var token = context.Request.Headers.Authorization.FirstOrDefault()?.Split(" ").Last();
             var fingerprint = context.Request.Headers["X-Device-Fingerprint"].FirstOrDefault();
-            var userAgent = context.Request.Headers["User-Agent"].FirstOrDefault();
+            var userAgent = context.Request.Headers.UserAgent.FirstOrDefault();
             var ip = MasterHelper.GetClientIPAddr(context);
 
             if (token != null)

src/Program.cs

@@ -1,12 +1,13 @@
 using iFileProxy.Config;
 using iFileProxy.Middleware;
 using iFileProxy.Helpers;
+using iFileProxy.Handlers;
 using iFileProxy.Services;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using Serilog;
 using System.Text;
-using System.Diagnostics;
+using MySql.Data.MySqlClient;
 
 namespace iFileProxy
 {
@@ -14,11 +15,16 @@ namespace iFileProxy
     {
         public static void Main(string[] args)
         {
-            SerilogConfig.CreateLogger();
+            // 绑定异常捕获事件
-            Serilog.ILogger logger = Log.Logger.ForContext<Program>();
+            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
+            SerilogConfig.CreateLogger(args: args);
+
+            CommandLineArgsHelper argsHelper = new (args);
 
             Console.Write(" "); // 补全日志第一行开头的空白
 
+            CmdArgsHandler.ParseArgs(args);
+
             var builder = WebApplication.CreateBuilder(args);
 
             // CORS配置
@@ -73,6 +79,10 @@ namespace iFileProxy
             // 初始化缓存管理服务
             LocalCacheManager localCacheManager = new(app.Services);
 
+            if (!argsHelper.GetBooleanValue("disable-startup-check"))
+                // 初始化验证配置文件
+                AppConfig.CheckAppConfig(app.Services);
+
             // 1. 错误处理（放在请求管道的最前面）
             app.UseMiddleware<ErrorHandlerMiddleware>();
 
@@ -118,9 +128,45 @@ namespace iFileProxy
 
             // 11. 启动应用
             var dbGateService = app.Services.GetRequiredService<DatabaseGateService>();
-            SerilogConfig.CreateLogger(dbGateService);
+            SerilogConfig.CreateLogger(dbGateService,args);
 
-            app.Run();
+            if (!argsHelper.GetStringValue("url").IsNullOrEmpty())
+                app.Run(argsHelper.GetStringValue("url"));
+            else
+                app.Run();
+        }
+
+
+        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
+        {
+            var logger = Log.ForContext<AppDomain>();
+            Exception exc = (Exception)e.ExceptionObject;
+
+            // 直接记录原始异常信息，不重新抛出
+            if (exc is MySqlException mySqlEx)
+            {
+                if (mySqlEx.Message.Contains("is not allowed to connect to this MySQL server", StringComparison.CurrentCulture))
+                {
+                    logger.Fatal( "远程主机不允许你连接到该数据库, 请检查数据库服务端是否将本机IP加白! ");
+                }
+                else if (mySqlEx.Message.Contains("Unable to connect to any of the specified MySQL hosts"))
+                {
+                    logger.Fatal("无法连接到远程数据库, 因为远程主机不可达, 请检查你的网络或数据库配置!!");
+                }
+            }
+            else if (exc is IOException ioEx)
+            {
+                if (ioEx.Message.Contains("address already in use."))
+                {
+                    logger.Fatal("程序服务端口被占用!!!");
+                }
+            }
+
+            // 记录所有未处理的异常信息
+            logger.Fatal(exc, "未处理的异常: {ExceptionMessage}", exc.Message);
+
+            // 优雅退出应用程序
+            Environment.Exit(1);
         }
     }
 }

src/SerilogConfig.cs

@@ -6,12 +6,13 @@
     using iFileProxy.Sinks;
     using iFileProxy.Services;
     using ZstdSharp.Unsafe;
+    using iFileProxy.Helpers;
 
     public static class SerilogConfig
     {
         private static DatabaseGateService? _dbGateService;
 
-        public static void CreateLogger(DatabaseGateService? dbGateService = null)
+        public static void CreateLogger(DatabaseGateService? dbGateService = null, string[]? args = null)
         {
             _dbGateService = dbGateService;  // 保存实例以供后续使用
             var baseLogPath = Path.Combine(AppContext.BaseDirectory, "logs");
@@ -22,13 +23,17 @@
             {
                 Directory.CreateDirectory(baseLogPath);
             }
+            var loggerConfiguration = new LoggerConfiguration();
 
-            var loggerConfiguration = new LoggerConfiguration()
+
-#if RELEASE
+            if (new CommandLineArgsHelper(args).GetBooleanValue("dev-logger"))
-                .MinimumLevel.Information()
+            {
-#else
+                loggerConfiguration.MinimumLevel.Debug();
-                .MinimumLevel.Debug()
+            }
-#endif
+            else
+                loggerConfiguration.MinimumLevel.Information();
+
+            loggerConfiguration
                 .MinimumLevel.Override("Microsoft", LogEventLevel.Information)
                 .MinimumLevel.Override("Microsoft.AspNetCore", LogEventLevel.Warning)
                 .Enrich.FromLogContext()
@@ -43,7 +48,7 @@
                         outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] [{SourceContext}] {ClientIp} {Message:lj} {contentType} {queryString}{NewLine}{Exception}",
                         rollingInterval: RollingInterval.Day,
                         fileSizeLimitBytes: 1073741824)) // 1GB
-                // 警告日志写入单独的文件
+                                                         // 警告日志写入单独的文件
                 .WriteTo.Logger(lc => lc
                     .Filter.ByIncludingOnly(evt => evt.Level == LogEventLevel.Warning)
                     .WriteTo.File(
@@ -69,6 +74,7 @@
                         fileSizeLimitBytes: 1073741824))
                 .Enrich.WithProperty("node_ip", GetIpAddress());
 
+
             // 只有在提供了 DatabaseGateService 时才添加数据库 Sink
             if (_dbGateService != null)
             {

src/Services/DatabaseGateService.cs

@@ -18,77 +18,13 @@ namespace iFileProxy.Services
 
         Dictionary<string, DB> _dbDictionary = [];
 
-        private const string CREATE_TASKS_TABLE_SQL = """
+        private Dictionary<string, string> createDBSqls = new Dictionary<string, string> {
-            CREATE TABLE IF NOT EXISTS `t_tasks_info` (
+            { "任务信息",@"CREATE TABLE `t_tasks_info` ( `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增键', `tid` varchar(48) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '任务id', `file_name` varchar(1024) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '文件名', `client_ip` varchar(46) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '客户端IP', `add_time` datetime NOT NULL COMMENT '任务在何时被添加', `update_time` datetime NOT NULL COMMENT '任务状态更新时间', `status` int(1) NULL DEFAULT NULL COMMENT '任务状态', `url` varchar(8192) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '文件url', `size` bigint(32) NULL DEFAULT NULL COMMENT '文件大小', `hash` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '文件hash', `tag` varchar(512) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '标记', PRIMARY KEY (`id`) USING BTREE, UNIQUE INDEX `tid`(`tid`) USING BTREE ) ENGINE = InnoDB AUTO_INCREMENT = 139915 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;"},
-                `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增键',
+            { "用户", @"CREATE TABLE `t_users` ( `user_id` varchar(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `nickname` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '昵称', `email` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '电子邮箱', `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '用户名', `password_hash` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '密码哈希值', `mask` int(11) NOT NULL DEFAULT 0 COMMENT '权限掩码', `state` int(11) NOT NULL DEFAULT 0 COMMENT '状态', `create_time` datetime NOT NULL COMMENT '账号创建时间', `last_login_time` datetime NULL DEFAULT NULL COMMENT '上次登录时间', `last_login_ip` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '上次登录IP', PRIMARY KEY (`user_id`) USING BTREE, UNIQUE INDEX `username`(`username`) USING BTREE, UNIQUE INDEX `email`(`email`) USING BTREE ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;"},
-                `tid` varchar(48) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '任务id',
+            { "用户事件", @"CREATE TABLE `t_user_events` ( `event_id` varchar(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `user_id` varchar(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `event_type` int(11) NOT NULL, `event_time` datetime NOT NULL, `event_ip` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL, `event_detail` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL, PRIMARY KEY (`event_id`) USING BTREE, INDEX `user_id`(`user_id`) USING BTREE, CONSTRAINT `t_user_events_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `t_users` (`user_id`) ON DELETE RESTRICT ON UPDATE RESTRICT ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;"},
-                `file_name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL,
+            { "系统日志", @"CREATE TABLE `t_system_logs` ( `log_id` varchar(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `level` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `message` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL, `exception` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL, `properties` json NULL, `timestamp` datetime NOT NULL, PRIMARY KEY (`log_id`) USING BTREE, INDEX `idx_timestamp`(`timestamp`) USING BTREE, INDEX `idx_level`(`level`) USING BTREE ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;" },
-                `client_ip` varchar(15) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '客户端IP',
+            {"下载历史",@"CREATE TABLE `t_download_history` ( `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增主键', `tid` varchar(48) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '任务UUID', `time` datetime NULL DEFAULT NULL COMMENT '触发时间', `client_ip` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '客户端IP', PRIMARY KEY (`id`) USING BTREE, INDEX `tid`(`tid`) USING BTREE, CONSTRAINT `t_download_history_ibfk_1` FOREIGN KEY (`tid`) REFERENCES `t_tasks_info` (`tid`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE = InnoDB AUTO_INCREMENT = 532 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;" }
-                `add_time` datetime NOT NULL COMMENT '任务在何时被添加',
+        };
-                `update_time` datetime NOT NULL COMMENT '任务状态更新时间',
-                `status` int(11) NULL DEFAULT NULL COMMENT '任务状态',
-                `url` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '文件url',
-                `size` int(11) NULL DEFAULT NULL COMMENT '文件大小',
-                `hash` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '文件hash',
-                PRIMARY KEY (`id`) USING BTREE
-            ) ENGINE = InnoDB AUTO_INCREMENT = 17 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
-        """;
-
-        private const string CREATE_USERS_TABLE_SQL = """
-            CREATE TABLE IF NOT EXISTS `t_users` (
-                `user_id` varchar(36) NOT NULL,
-                `username` varchar(50) NOT NULL,
-                `nickname` varchar(50) NOT NULL,
-                `email` varchar(100) NOT NULL,
-                `password_hash` varchar(255) NOT NULL,
-                `mask` int NOT NULL DEFAULT 0,
-                `state` int NOT NULL DEFAULT 0,
-                `create_time` datetime NOT NULL,
-                `last_login_time` datetime NULL,
-                `last_login_ip` varchar(45) NULL,
-                PRIMARY KEY (`user_id`),
-                UNIQUE KEY `username` (`username`),
-                UNIQUE KEY `email` (`email`)
-            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-        """;
-
-        private const string CREATE_USER_EVENTS_TABLE_SQL = """
-            CREATE TABLE IF NOT EXISTS `t_user_events` (
-                `event_id` varchar(36) NOT NULL,
-                `user_id` varchar(36) NOT NULL,
-                `event_type` int NOT NULL,
-                `event_time` datetime NOT NULL,
-                `event_ip` varchar(45) NULL,
-                `event_detail` text NULL,
-                PRIMARY KEY (`event_id`),
-                KEY `user_id` (`user_id`),
-                CONSTRAINT `fk_user_events_user` FOREIGN KEY (`user_id`) REFERENCES `t_users` (`user_id`)
-            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-        """;
-
-        private const string CREATE_SYSTEM_LOGS_TABLE_SQL = """
-            CREATE TABLE IF NOT EXISTS `t_system_logs` (
-                `log_id` varchar(36) NOT NULL,
-                `level` varchar(20) NOT NULL,
-                `message` text NOT NULL,
-                `exception` text,
-                `properties` json,
-                `timestamp` datetime NOT NULL,
-                PRIMARY KEY (`log_id`),
-                KEY `idx_timestamp` (`timestamp`),
-                KEY `idx_level` (`level`)
-            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-        """;
-
-        private const string CREATE_DOWNLOAD_HISTORY_TABLE_SQL = """
-            CREATE TABLE IF NOT EXISTS `t_download_history` (
-                `tid` varchar(48) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '任务UUID',
-                `time` datetime NULL DEFAULT NULL COMMENT '触发时间',
-                `client_ip` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '客户端IP',
-                PRIMARY KEY (`tid`) USING BTREE,
-                CONSTRAINT `t_download_history_ibfk_1` FOREIGN KEY (`tid`) REFERENCES `t_tasks_info` (`tid`) ON DELETE CASCADE ON UPDATE CASCADE
-            ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
-        """;
 
         public DatabaseGateService(AppConfig appConfig)
         {
@@ -97,13 +33,13 @@ namespace iFileProxy.Services
             _appConfig = appConfig;
             try
             {
+                LoadDbDict();
                 _logger.Information("Done.");
             }
             catch (Exception e)
             {
                 _logger.Fatal($"程序异常: {e.Message}");
             }
-            LoadDbDict();
         }
 
         /// <summary>
@@ -154,7 +90,7 @@ namespace iFileProxy.Services
 
             try
             {
-                 var conn = new MySqlConnection(builder.ConnectionString);
+                var conn = new MySqlConnection(builder.ConnectionString);
                 conn.Open();
                 return conn;
             }
@@ -178,7 +114,7 @@ namespace iFileProxy.Services
                 catch (Exception)
                 {
                     _logger.Fatal($"=========== 数据库: {db.Key} 测试失败! ===========");
-                    return false;
+                    throw;
                 }
             }
             return true;
@@ -206,10 +142,10 @@ namespace iFileProxy.Services
         /// <param name="sql"></param>
         /// <param name="conn"></param>
         /// <returns></returns>
-        public  string QueryTableData(string sql,string dbConfName)
+        public string QueryTableData(string sql, string dbConfName)
         {
             DataTable dataTable = new();
-            using (MySqlDataAdapter adapter = new(new MySqlCommand(sql,GetAndOpenDBConn(dbConfName))))
+            using (MySqlDataAdapter adapter = new(new MySqlCommand(sql, GetAndOpenDBConn(dbConfName))))
                 adapter.Fill(dataTable);
             return JsonConvert.SerializeObject(dataTable);
         }
@@ -222,7 +158,7 @@ namespace iFileProxy.Services
         /// <returns>影响的行数</returns>
         public int Query(string sql, string dbConfName)
         {
-            using MySqlCommand sqlCmd = new (sql, GetAndOpenDBConn(dbConfName));
+            using MySqlCommand sqlCmd = new(sql, GetAndOpenDBConn(dbConfName));
             int n = sqlCmd.ExecuteNonQuery();
             _logger.Debug($"查询完成, 受影响的行数: {n}");
             return n;
@@ -242,7 +178,13 @@ namespace iFileProxy.Services
             return n;
         }
 
-        public List<TaskInfo> CheckCacheDependencies(string taskId,string ipAddr)
+        /// <summary>
+        /// 检查缓存依赖
+        /// </summary>
+        /// <param name="taskId">任务ID</param>
+        /// <param name="ipAddr">排除的IP地址</param>
+        /// <returns>依赖任务信息列表</returns>
+        public List<TaskInfo> CheckCacheDependencies(string taskId, string ipAddr)
         {
             string sql = $"SELECT * FROM t_tasks_info WHERE `status` = @status AND `tag` = @tag AND `client_ip` <> @ip_addr";
             using MySqlConnection conn = GetAndOpenDBConn("iFileProxy_Db");
@@ -253,7 +195,7 @@ namespace iFileProxy.Services
                 sqlCmd.Parameters.AddWithValue("@status", TaskState.Cached);
                 sqlCmd.Parameters.AddWithValue("@ip_addr", ipAddr);
 
-                return JsonConvert.DeserializeObject<List<TaskInfo>>( QueryTableData(sqlCmd));
+                return JsonConvert.DeserializeObject<List<TaskInfo>>(QueryTableData(sqlCmd));
             }
             catch (Exception e)
             {
@@ -271,7 +213,7 @@ namespace iFileProxy.Services
             {
                 using MySqlCommand sqlCmd = new(sql, conn);
                 sqlCmd.Parameters.AddWithValue("@ip_addr", ipAddr);
-                sqlCmd.Parameters.AddWithValue ("@status", status);
+                sqlCmd.Parameters.AddWithValue("@status", status);
                 return QueryTableData(sqlCmd);
             }
             catch (Exception e)
@@ -289,7 +231,7 @@ namespace iFileProxy.Services
             using MySqlConnection conn = GetAndOpenDBConn("iFileProxy_Db");
             try
             {
-                using MySqlCommand sqlCmd = new (sql,conn);
+                using MySqlCommand sqlCmd = new(sql, conn);
                 sqlCmd.Parameters.AddWithValue("@ip_addr", ipAddr);
                 return QueryTableData(sqlCmd);
             }
@@ -322,7 +264,8 @@ namespace iFileProxy.Services
         {
             string sql = $"SELECT * FROM t_tasks_info WHERE url = @url AND size = @size AND `status` = @status AND file_name = @fileName";
             using MySqlConnection conn = GetAndOpenDBConn("iFileProxy_Db");
-            try {
+            try
+            {
                 MySqlCommand sqlCmd = new MySqlCommand(sql, conn);
                 sqlCmd.Parameters.AddWithValue("@url", url);
                 sqlCmd.Parameters.AddWithValue("@size", size);
@@ -337,10 +280,12 @@ namespace iFileProxy.Services
                 else
                     return null;
             }
-            catch (Exception e){
+            catch (Exception e)
+            {
                 return null;
             }
-            finally { 
+            finally
+            {
                 conn.Close();
             }
 
@@ -380,21 +325,21 @@ namespace iFileProxy.Services
             }
             return true;
         }
-        public bool UpdateFieldsData(string fieldsName, string taskUUID,object val)
+        public bool UpdateFieldsData(string fieldsName, string taskUUID, object val)
         {
             string sql = $"UPDATE t_tasks_info set `{fieldsName}` = @Data WHERE `tid` = @tid";
             using MySqlConnection conn = GetAndOpenDBConn("iFileProxy_Db");
             try
             {
                 using MySqlCommand sqlCmd = new(sql, conn);
-                sqlCmd.Parameters.AddWithValue("@Data",val);
+                sqlCmd.Parameters.AddWithValue("@Data", val);
-                sqlCmd.Parameters.AddWithValue("@tid",taskUUID);
+                sqlCmd.Parameters.AddWithValue("@tid", taskUUID);
                 if (sqlCmd.ExecuteNonQuery() == 1)
                 {
                     return true;
                 }
                 else
-                return false;
+                    return false;
             }
             catch (Exception)
             {
@@ -415,7 +360,7 @@ namespace iFileProxy.Services
 
             try
             {
-                using MySqlCommand sqlCmd = new (sql, conn);
+                using MySqlCommand sqlCmd = new(sql, conn);
                 sqlCmd.Parameters.AddWithValue("@status", taskInfo.Status);
                 sqlCmd.Parameters.AddWithValue("@tid", taskInfo.TaskId);
                 if (sqlCmd.ExecuteNonQuery() >= 1)
@@ -434,7 +379,7 @@ namespace iFileProxy.Services
             }
             finally
             {
-                conn.Close ();
+                conn.Close();
             }
         }
 
@@ -453,7 +398,7 @@ namespace iFileProxy.Services
             try
             {
                 string sql = $"DELETE FROM `t_tasks_info` WHERE `client_ip` = '{ipAddr}'";
-                return Query(sql,DbConfigName.iFileProxy);
+                return Query(sql, DbConfigName.iFileProxy);
             }
             catch (Exception)
             {
@@ -466,13 +411,13 @@ namespace iFileProxy.Services
             using var conn = GetAndOpenDBConn("iFileProxy_Db");
             try
             {
-                // 创建表
+                foreach (var sql in createDBSqls)
-                using (var cmd = new MySqlCommand(CREATE_TASKS_TABLE_SQL, conn))
+                {
-                    cmd.ExecuteNonQuery();
+                    _logger.Information($"尝试创建 {sql.Key} 数据表....");
-                using (var cmd = new MySqlCommand(CREATE_USERS_TABLE_SQL, conn))
+                    using MySqlCommand sqlcmd = new (sql.Value,conn);
-                    cmd.ExecuteNonQuery();
+                    sqlcmd.ExecuteNonQuery();
-                using (var cmd = new MySqlCommand(CREATE_USER_EVENTS_TABLE_SQL, conn))
+                    _logger.Information("Done.");
-                    cmd.ExecuteNonQuery();
+                }
 
                 _logger.Information("数据库表结构初始化完成");
             }
@@ -482,6 +427,13 @@ namespace iFileProxy.Services
                 throw;
             }
         }
+        /// <summary>
+        /// 执行查询并获取单个指定类型的对象
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="sql"></param>
+        /// <param name="parameters"></param>
+        /// <returns></returns>
         public T ExecuteScalar<T>(string sql, Dictionary<string, object> parameters)
         {
             using var conn = GetAndOpenDBConn("iFileProxy_Db");
@@ -494,6 +446,13 @@ namespace iFileProxy.Services
             return (T)cmd.ExecuteScalar();
         }
 
+        /// <summary>
+        /// 执行SQL查询
+        /// </summary>
+        /// <typeparam name="T">预期返回的数据类型</typeparam>
+        /// <param name="sql">SQL语句</param>
+        /// <param name="parameters">参数列表</param>
+        /// <returns>所指定类型的数据</returns>
         public List<T> ExecuteQuery<T>(string sql, Dictionary<string, object> parameters)
         {
             using var conn = GetAndOpenDBConn("iFileProxy_Db");
@@ -505,6 +464,12 @@ namespace iFileProxy.Services
             return JsonConvert.DeserializeObject<List<T>>(QueryTableData(cmd));
         }
 
+        /// <summary>
+        /// 执行SQL查询
+        /// </summary>
+        /// <param name="sql">SQL语句</param>
+        /// <param name="parameters">参数列表</param>
+        /// <returns>受影响的行数</returns>
         public int ExecuteNonQuery(string sql, Dictionary<string, object> parameters)
         {
             using var conn = GetAndOpenDBConn("iFileProxy_Db");

src/Services/LocalCacheManager.cs

@@ -32,7 +32,8 @@ namespace iFileProxy.Services
             CACHE_LIFETIME = _appConfig.DownloadOptions.CacheLifetime;
             _dbGateService = serviceProvider.GetRequiredService<DatabaseGateService>();
             // 开始定时清理任务
-            _timer = new Timer((obj) => {
+            _timer = new Timer((obj) =>
+            {
                 lock (_lock)
                 {
                     CheckAndCleanCache();
@@ -58,7 +59,7 @@ namespace iFileProxy.Services
                 {
                     using var cmd = new MySqlCommand(sql, conn);
                     using var adapter = new MySqlDataAdapter(cmd);
-                    var dataTable = new DataTable();
+                    using var dataTable = new DataTable();
                     adapter.Fill(dataTable);
                     taskInfos = JsonConvert.DeserializeObject<List<TaskInfo>>(
                         JsonConvert.SerializeObject(dataTable)
@@ -69,6 +70,16 @@ namespace iFileProxy.Services
                 {
                     foreach (TaskInfo taskInfo in taskInfos)
                     {
+                        var dependencies = _dbGateService.CheckCacheDependencies(taskInfo.TaskId, taskInfo.ClientIp);
+                        // 获取依赖和已经过期的任务ID交集
+                        var intersect = dependencies.Select(x => x.TaskId).Intersect(taskInfos.Select(x => x.TaskId)).ToList();
+                        // 若依赖该缓存的任务也处于过期状态 则不进行缓存依赖检查
+                        if (intersect.IndexOf(taskInfo.TaskId) == -1)
+                            if (dependencies != null && dependencies.Count > 0)
+                            {
+                                _logger.Warning($"TaskId: {taskInfo.TaskId} 所产生的缓存文件正被 {string.Join(",", dependencies.Select(x => x.TaskId))} 所依赖, 不会继续执行清理任务");
+                                continue;
+                            }
                         string cacheFileName = Path.Combine(_appConfig.DownloadOptions.SavePath, taskInfo.FileName);
                         if (File.Exists(cacheFileName))
                         {
@@ -85,22 +96,20 @@ namespace iFileProxy.Services
                         }
 
                         // 更新数据库状态
-                        using (var conn = _dbGateService.GetAndOpenDBConn(DbConfigName.iFileProxy))
+                        using var conn = _dbGateService.GetAndOpenDBConn(DbConfigName.iFileProxy);
+                        // 更新标签
+                        using (var cmd = new MySqlCommand(
+                            "UPDATE t_tasks_info SET tag = @tag WHERE tid = @tid",
+                            conn))
                         {
-                            // 更新标签
+                            cmd.Parameters.AddWithValue("@tag", "CLEANED");
-                            using (var cmd = new MySqlCommand(
+                            cmd.Parameters.AddWithValue("@tid", taskInfo.TaskId);
-                                "UPDATE t_tasks_info SET tag = @tag WHERE tid = @tid", 
+                            cmd.ExecuteNonQuery();
-                                conn))
-                            {
-                                cmd.Parameters.AddWithValue("@tag", "CLEANED");
-                                cmd.Parameters.AddWithValue("@tid", taskInfo.TaskId);
-                                cmd.ExecuteNonQuery();
-                            }
-
-                            // 更新状态
-                            taskInfo.Status = TaskState.Cleaned;
-                            _dbGateService.UpdateTaskStatus(taskInfo);
                         }
+
+                        // 更新状态
+                        taskInfo.Status = TaskState.Cleaned;
+                        _dbGateService.UpdateTaskStatus(taskInfo);
                     }
                 }
             }