统一 Dump、Logging、Database 等功能的配置文件加载和定义类，优化ConfigLoader，职责分散各个模块。

XP.Common/Logging/Configs/ConfigLoader.cs

@@ -0,0 +1,50 @@
+using System.Configuration;
+
+namespace XP.Common.Logging.Configs
+{
+    /// <summary>
+    /// Serilog 配置加载器，从 App.config 读取日志相关配置项 | Serilog configuration loader, reads logging-related configuration from App.config
+    /// </summary>
+    public static class ConfigLoader
+    {
+        /// <summary>
+        /// 配置键前缀 | Configuration key prefix
+        /// </summary>
+        private const string KeyPrefix = "Serilog:";
+
+        /// <summary>
+        /// 从 App.config 加载 Serilog 配置 | Load Serilog configuration from App.config
+        /// </summary>
+        /// <returns>Serilog 配置实体，缺失或无效配置项使用默认值 | Serilog configuration entity, uses default values for missing or invalid items</returns>
+        public static SerilogConfig LoadSerilogConfig()
+        {
+            var config = new SerilogConfig();
+
+            // 加载日志路径 | Load log path
+            var logPath = ConfigurationManager.AppSettings[KeyPrefix + "LogPath"];
+            if (!string.IsNullOrEmpty(logPath)) config.LogPath = logPath;
+
+            // 加载最低日志级别 | Load minimum level
+            var minLevel = ConfigurationManager.AppSettings[KeyPrefix + "MinimumLevel"];
+            if (!string.IsNullOrEmpty(minLevel)) config.MinimumLevel = minLevel;
+
+            // 加载是否输出到控制台 | Load enable console
+            var enableConsole = ConfigurationManager.AppSettings[KeyPrefix + "EnableConsole"];
+            if (bool.TryParse(enableConsole, out var console)) config.EnableConsole = console;
+
+            // 加载日志文件分割规则 | Load rolling interval
+            var rollingInterval = ConfigurationManager.AppSettings[KeyPrefix + "RollingInterval"];
+            if (!string.IsNullOrEmpty(rollingInterval)) config.RollingInterval = rollingInterval;
+
+            // 加载单个日志文件最大大小 | Load file size limit
+            var fileSize = ConfigurationManager.AppSettings[KeyPrefix + "FileSizeLimitMB"];
+            if (long.TryParse(fileSize, out var size) && size > 0) config.FileSizeLimitMB = size;
+
+            // 加载保留日志文件数量 | Load retained file count limit
+            var retainCount = ConfigurationManager.AppSettings[KeyPrefix + "RetainedFileCountLimit"];
+            if (int.TryParse(retainCount, out var count) && count > 0) config.RetainedFileCountLimit = count;
+
+            return config;
+        }
+    }
+}

XP.Common/Logging/Configs/SerilogConfig.cs

@@ -0,0 +1,43 @@
+using System;
+using System.IO;
+
+namespace XP.Common.Logging.Configs
+{
+    /// <summary>
+    /// Serilog 日志配置实体（从 App.config 读取）| Serilog logging configuration entity (loaded from App.config)
+    /// </summary>
+    public class SerilogConfig
+    {
+        /// <summary>
+        /// 日志输出根路径（默认：AppData/Files/Logs）| Log output root path (default: AppData/Files/Logs)
+        /// </summary>
+        public string LogPath { get; set; } = Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            "Files", "Logs");
+
+        /// <summary>
+        /// 最低日志级别（Debug/Info/Warn/Error/Fatal）| Minimum log level
+        /// </summary>
+        public string MinimumLevel { get; set; } = "Info";
+
+        /// <summary>
+        /// 是否输出到控制台（调试环境=true，生产环境=false）| Whether to output to console
+        /// </summary>
+        public bool EnableConsole { get; set; } = true;
+
+        /// <summary>
+        /// 日志文件分割规则（Day/Month/Hour/Size）| Log file rolling interval
+        /// </summary>
+        public string RollingInterval { get; set; } = "Day";
+
+        /// <summary>
+        /// 单个日志文件最大大小（MB，仅 Size 分割时生效）| Single log file max size (MB)
+        /// </summary>
+        public long FileSizeLimitMB { get; set; } = 100;
+
+        /// <summary>
+        /// 保留日志文件数量（默认30天）| Retained file count limit (default 30)
+        /// </summary>
+        public int RetainedFileCountLimit { get; set; } = 30;
+    }
+}

XP.Common/Logging/SerilogInitializer.cs

@@ -1,7 +1,7 @@
 using System;
 using Serilog;
 using Serilog.Events;
-using XP.Common.Configs;
+using XP.Common.Logging.Configs;
 using XP.Common.Logging.ViewModels;
 
 namespace XP.Common.Logging