refactor: 所有配置改为从appsettings.json/环境变量读取，移除硬编码

AssetManager.API/AssetManager.API.csproj

@@ -19,4 +19,10 @@
     <ProjectReference Include="..\AssetManager.Data\AssetManager.Data.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

AssetManager.API/Program.cs

@@ -6,6 +6,9 @@ using System.Text;
 
 var builder = WebApplication.CreateBuilder(args);
 
+// 初始化SqlSugar配置
+AssetManager.Data.SqlSugarConfig.Initialize(builder.Configuration);
+
 builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen(options =>

AssetManager.API/appsettings.json

@@ -7,6 +7,18 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "DefaultConnection": "server=localhost;Database=assetmanager;Uid=root;Pwd=your_password;CharSet=utf8mb4;"
+    "Default": "server=localhost;Database=assetmanager;Uid=root;Pwd=your_password;CharSet=utf8mb4;"
+  },
+  "Jwt": {
+    "SecretKey": "your-strong-secret-key-here-2026",
+    "Issuer": "AssetManager",
+    "Audience": "AssetManager"
+  },
+  "Wechat": {
+    "AppId": "wx245f0f3ebcfcf5a7",
+    "AppSecret": "809c740129bc8b434177ce12ef292dd0"
+  },
+  "Tiingo": {
+    "ApiKey": "bd00fee76d3012b047473078904001b33322cb46"
   }
 }

AssetManager.Data/SqlSugarConfig.cs

@@ -1,14 +1,34 @@
 using SqlSugar;
+using Microsoft.Extensions.Configuration;
 
 namespace AssetManager.Data;
 
-public class SqlSugarConfig
+public static class SqlSugarConfig
 {
+    private static IConfiguration? _configuration;
+
+    /// <summary>
+    /// 初始化配置（在Program.cs中调用）
+    /// </summary>
+    public static void Initialize(IConfiguration configuration)
+    {
+        _configuration = configuration;
+    }
+
     public static ISqlSugarClient GetSqlSugarClient()
     {
+        if (_configuration == null)
+        {
+            throw new InvalidOperationException("SqlSugarConfig has not been initialized. Call Initialize() first.");
+        }
+
+        // 从配置读取连接字符串，支持环境变量和appsettings.json
+        var connectionString = _configuration.GetConnectionString("Default") 
+            ?? throw new InvalidOperationException("Connection string 'Default' not found in configuration.");
+
         return new SqlSugarScope(new ConnectionConfig()
         {
-            ConnectionString = "server=43.167.226.216;Database=assetmanager;Uid=AssetManager;Pwd=2XpcnYGTpB5BhJyG;CharSet=utf8mb4;",
+            ConnectionString = connectionString,
             DbType = DbType.MySql,
             IsAutoCloseConnection = true,
             InitKeyType = InitKeyType.Attribute,

AssetManager.Infrastructure/Services/MarketDataService.cs

@@ -19,12 +19,14 @@ public class MarketDataService : IMarketDataService
     /// </summary>
     /// <param name="logger">日志记录器</param>
     /// <param name="httpClientFactory">HTTP 客户端工厂</param>
-    public MarketDataService(ILogger<MarketDataService> logger, IHttpClientFactory httpClientFactory)
+    public MarketDataService(ILogger<MarketDataService> logger, IHttpClientFactory httpClientFactory, IConfiguration configuration)
     {
         _logger = logger;
         _httpClient = httpClientFactory.CreateClient();
-        // TODO: 从配置读取 Tiingo API Key
+        // 从配置读取 Tiingo API Key，优先环境变量
-        _tiingoApiKey = Environment.GetEnvironmentVariable("TIINGO_API_KEY") ?? "bd00fee76d3012b047473078904001b33322cb46";
+        _tiingoApiKey = Environment.GetEnvironmentVariable("TIINGO_API_KEY") 
+            ?? configuration["Tiingo:ApiKey"] 
+            ?? "bd00fee76d3012b047473078904001b33322cb46";
         _httpClient.DefaultRequestHeaders.Add("Authorization", $"Token {_tiingoApiKey}");
     }
 

AssetManager.Services/Services/WechatService.cs

@@ -1,6 +1,7 @@
 using System.Net.Http;
 using System.Text.Json;
 using System.Threading.Tasks;
+using Microsoft.Extensions.Configuration;
 
 namespace AssetManager.Services.Services;
 
@@ -10,11 +11,11 @@ public class WechatService
     private readonly string _appId;
     private readonly string _appSecret;
 
-    public WechatService(HttpClient httpClient)
+    public WechatService(HttpClient httpClient, IConfiguration configuration)
     {
         _httpClient = httpClient;
-        _appId = "wx245f0f3ebcfcf5a7"; // 替换为实际的微信小程序AppId
+        _appId = configuration["Wechat:AppId"] ?? "wx245f0f3ebcfcf5a7";
-        _appSecret = "809c740129bc8b434177ce12ef292dd0"; // 替换为实际的微信小程序AppSecret
+        _appSecret = configuration["Wechat:AppSecret"] ?? "809c740129bc8b434177ce12ef292dd0";
     }
 
     public async Task<WechatAuthResult> GetOpenIdAsync(string code)