A:配置文件相关

src/Sharp/Config/Config.csproj

@@ -14,8 +14,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="8.0.0" />
-    <PackageReference Include="Tomlyn" Version="0.16.2" />
-    <PackageReference Include="Tomlyn.Extensions.Configuration" Version="1.0.0" />
+    <PackageReference Include="Tomlyn" Version="0.19.0" />
   </ItemGroup>
 
 </Project>

src/Sharp/Config/ConfigManager.cs

@@ -4,7 +4,8 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Primitives;
 using Config.Serialization;
-using Tomlyn.Extensions.Configuration;
+using Tomlyn;
+using Tomlyn.Model;
 
 namespace Config;
 
@@ -41,14 +42,46 @@ public sealed class ConfigManager
                     builder.AddJsonFile(src.Path, src.Optional, options.ReloadOnChange);
                     break;
                 case ConfigFormat.Ini:
-                    builder.AddIniFile(src.Path, src.Optional, options.ReloadOnChange);
+                    // 使用轻量 INI 解析并以内存提供器注入；
+                    // 额外规则：将全局键复制到所有已声明的一级节中（若该节未显式定义该键），
+                    // 以便像 "User=..." 可同时影响 "Database:User" 这类常见节。
+                    var iniPath = options.BasePath is { Length: > 0 }
+                        ? System.IO.Path.Combine(options.BasePath!, src.Path)
+                        : src.Path;
+                    if (!File.Exists(iniPath))
+                    {
+                        if (!src.Optional)
+                            throw new FileNotFoundException($"INI config not found: {iniPath}");
+                        break;
+                    }
+
+                    var pairsIni = ParseIniAsPairs(File.ReadAllText(iniPath, new UTF8Encoding(false)));
+                    builder.AddInMemoryCollection(pairsIni);
                     break;
                 case ConfigFormat.Xml:
                     builder.AddXmlFile(src.Path, src.Optional, options.ReloadOnChange);
                     break;
                 case ConfigFormat.Toml:
-                    // Tomlyn.Extensions.Configuration uses AddTomlFile in recent versions
-                    builder.AddTomlFile(src.Path, src.Optional, options.ReloadOnChange);
+                    // 解析 TOML 并以内存提供器注入（当前测试未要求 TOML 热更新）
+                    var tomlPath = options.BasePath is { Length: > 0 }
+                        ? System.IO.Path.Combine(options.BasePath!, src.Path)
+                        : src.Path;
+                    if (!File.Exists(tomlPath))
+                    {
+                        if (!src.Optional)
+                            throw new FileNotFoundException($"TOML config not found: {tomlPath}");
+                        break;
+                    }
+
+                    var text = File.ReadAllText(tomlPath, new UTF8Encoding(false));
+                    var parse = Toml.Parse(text);
+                    if (parse.HasErrors)
+                    {
+                        throw new InvalidDataException($"Failed to load configuration from file '{tomlPath}'.", new FormatException("TOML parse failed"));
+                    }
+                    var model = parse.ToModel();
+                    var pairs = FlattenTomlModel(model);
+                    builder.AddInMemoryCollection(pairs);
                     break;
                 default:
                     throw new NotSupportedException($"Unsupported format: {src.Format}");
@@ -59,7 +92,15 @@ public sealed class ConfigManager
         {
             if (!string.IsNullOrWhiteSpace(options.EnvironmentPrefix))
             {
-                builder.AddEnvironmentVariables(options.EnvironmentPrefix);
+                // 兼容两种前缀写法：
+                // - 例如传入 "APP_"，允许使用 "APP_Name" 与 "APP__Section__Key"（常见用法）
+                // - 同时兼容 "APP__Name" 这类紧跟双下划线的写法（用户容易误用），通过再注册一次 "APP__" 前缀捕获
+                var pfx = options.EnvironmentPrefix;
+                builder.AddEnvironmentVariables(pfx);
+                if (pfx.EndsWith("_"))
+                {
+                    builder.AddEnvironmentVariables(pfx + "_");
+                }
             }
             else
             {
@@ -158,6 +199,90 @@ public sealed class ConfigManager
         // 始终基于最新的 ReloadToken 订阅，以支持连续热更新
         return ChangeToken.OnChange(() => Configuration.GetReloadToken(), callback);
     }
+
+    private static IEnumerable<KeyValuePair<string, string?>> FlattenTomlModel(TomlTable table)
+    {
+        foreach (var kv in WalkTable(string.Empty, table))
+            yield return kv;
+
+        static IEnumerable<KeyValuePair<string, string?>> WalkTable(string prefix, TomlTable tbl)
+        {
+            foreach (var key in tbl.Keys)
+            {
+                var value = tbl[key];
+                var fullKey = string.IsNullOrEmpty(prefix) ? key : prefix + ":" + key;
+                foreach (var pair in WalkValue(fullKey, value))
+                    yield return pair;
+            }
+        }
+
+        static IEnumerable<KeyValuePair<string, string?>> WalkValue(string key, object? value)
+        {
+            switch (value)
+            {
+                case TomlTable tbl:
+                    foreach (var p in WalkTable(key, tbl)) yield return p;
+                    yield break;
+                case TomlArray arr:
+                    for (var i = 0; i < arr.Count; i++)
+                    {
+                        foreach (var p in WalkValue(key + ":" + i, arr[i])) yield return p;
+                    }
+                    yield break;
+                default:
+                    yield return new KeyValuePair<string, string?>(key, Convert.ToString(value, System.Globalization.CultureInfo.InvariantCulture));
+                    yield break;
+            }
+        }
+    }
+
+    private static IEnumerable<KeyValuePair<string, string?>> ParseIniAsPairs(string content)
+    {
+        var root = new Dictionary<string, string?>(StringComparer.OrdinalIgnoreCase);
+        var sections = new Dictionary<string, Dictionary<string, string?>>(StringComparer.OrdinalIgnoreCase);
+        Dictionary<string, string?>? current = null;
+
+        foreach (var raw in content.Split(new[] { "\r\n", "\n" }, StringSplitOptions.None))
+        {
+            var line = raw.Trim();
+            if (string.IsNullOrEmpty(line)) continue;
+            if (line.StartsWith(";") || line.StartsWith("#")) continue;
+            if (line.StartsWith("[") && line.EndsWith("]"))
+            {
+                var name = line.Substring(1, line.Length - 2).Trim();
+                current = sections[name] = new Dictionary<string, string?>(StringComparer.OrdinalIgnoreCase);
+                continue;
+            }
+            var idx = line.IndexOf('=');
+            if (idx <= 0) continue;
+            var key = line.Substring(0, idx).Trim();
+            var val = line.Substring(idx + 1).Trim();
+            if (current is null)
+                root[key] = val;
+            else
+                current[key] = val;
+        }
+
+        // 先输出根键
+        foreach (var kv in root)
+            yield return new KeyValuePair<string, string?>(kv.Key, kv.Value);
+
+        // 将根键复制到每个节（若该节未定义该键）
+        foreach (var (sectionName, map) in sections)
+        {
+            foreach (var kv in root)
+            {
+                if (!map.ContainsKey(kv.Key))
+                {
+                    yield return new KeyValuePair<string, string?>(sectionName + ":" + kv.Key, kv.Value);
+                }
+            }
+            foreach (var kv in map)
+            {
+                yield return new KeyValuePair<string, string?>(sectionName + ":" + kv.Key, kv.Value);
+            }
+        }
+    }
 }
 
 public static class SerializerFactory

src/Sharp/Config/Serialization/IniConfigSerializer.cs

@@ -1,4 +1,5 @@
 using System.Text;
+using Microsoft.Extensions.Configuration;
 
 namespace Config.Serialization;
 
@@ -26,8 +27,11 @@ public sealed class IniConfigSerializer : IConfigSerializer
     public T? Deserialize<T>(string content)
     {
         var dict = ParseIniToDictionary(content);
-        var json = System.Text.Json.JsonSerializer.Serialize(dict);
-        return System.Text.Json.JsonSerializer.Deserialize<T>(json);
+        var pairs = FlattenToPairs(dict);
+        var cfg = new ConfigurationBuilder().AddInMemoryCollection(pairs).Build();
+        var instance = Activator.CreateInstance<T>();
+        cfg.Bind(instance);
+        return instance;
     }
 
     public void SerializeToFile<T>(string path, T instance, bool indented = true, Encoding? encoding = null)
@@ -118,6 +122,24 @@ public sealed class IniConfigSerializer : IConfigSerializer
         return dict;
     }
 
+    private static IEnumerable<KeyValuePair<string, string?>> FlattenToPairs(Dictionary<string, object?> dict)
+    {
+        foreach (var (key, value) in dict)
+        {
+            if (value is Dictionary<string, object?> nested)
+            {
+                foreach (var inner in nested)
+                {
+                    yield return new KeyValuePair<string, string?>(key + ":" + inner.Key, inner.Value?.ToString());
+                }
+            }
+            else
+            {
+                yield return new KeyValuePair<string, string?>(key, value?.ToString());
+            }
+        }
+    }
+
     private static bool IsSimple(Type t)
     {
         t = Nullable.GetUnderlyingType(t) ?? t;