diff --git a/src/Api/TakeoutSaaS.TenantApi/Contracts/Store/StoreDeliveryGeocodeContracts.cs b/src/Api/TakeoutSaaS.TenantApi/Contracts/Store/StoreDeliveryGeocodeContracts.cs
new file mode 100644
index 0000000..446a8e6
--- /dev/null
+++ b/src/Api/TakeoutSaaS.TenantApi/Contracts/Store/StoreDeliveryGeocodeContracts.cs
@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.TenantApi.Contracts.Store;
+
+/// <summary>
+/// 地址地理编码返回结果。
+/// </summary>
+public sealed class StoreDeliveryGeocodeDto
+{
+    /// <summary>
+    /// 输入地址。
+    /// </summary>
+    public string Address { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 纬度。
+    /// </summary>
+    public decimal? Latitude { get; set; }
+
+    /// <summary>
+    /// 经度。
+    /// </summary>
+    public decimal? Longitude { get; set; }
+}
diff --git a/src/Api/TakeoutSaaS.TenantApi/Controllers/StoreDeliveryController.cs b/src/Api/TakeoutSaaS.TenantApi/Controllers/StoreDeliveryController.cs
index 4f0d09f..79ba327 100644
--- a/src/Api/TakeoutSaaS.TenantApi/Controllers/StoreDeliveryController.cs
+++ b/src/Api/TakeoutSaaS.TenantApi/Controllers/StoreDeliveryController.cs
@@ -6,9 +6,12 @@ using TakeoutSaaS.Application.App.Stores.Services;
 using TakeoutSaaS.Domain.Stores.Entities;
 using TakeoutSaaS.Domain.Stores.Enums;
 using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
 using TakeoutSaaS.TenantApi.Contracts.Store;
+using TakeoutSaaS.TenantApi.Services;
 
 namespace TakeoutSaaS.TenantApi.Controllers;
 
@@ -20,7 +23,8 @@ namespace TakeoutSaaS.TenantApi.Controllers;
 [Route("api/tenant/v{version:apiVersion}/store")]
 public sealed class StoreDeliveryController(
     TakeoutAppDbContext dbContext,
-    StoreContextService storeContextService) : BaseApiController
+    StoreContextService storeContextService,
+    TencentMapGeocodingService tencentMapGeocodingService) : BaseApiController
 {
     /// <summary>
     /// 获取门店配送设置。
@@ -48,6 +52,8 @@ public sealed class StoreDeliveryController(
         {
             StoreId = parsedStoreId.ToString(),
             Mode = StoreApiHelpers.ToDeliveryModeText(setting?.Mode ?? StoreDeliveryMode.Radius),
+            RadiusCenterLatitude = setting?.RadiusCenterLatitude,
+            RadiusCenterLongitude = setting?.RadiusCenterLongitude,
             RadiusTiers = radiusTiers,
             PolygonZones = polygonZones.Select(MapPolygonZone).ToList(),
             GeneralSettings = new DeliveryGeneralSettingsDto
@@ -60,6 +66,30 @@ public sealed class StoreDeliveryController(
         });
     }
 
+    /// <summary>
+    /// 地址地理编码（服务端签名）。
+    /// </summary>
+    [HttpGet("delivery/geocode")]
+    [ProducesResponseType(typeof(ApiResponse<StoreDeliveryGeocodeDto>), StatusCodes.Status200OK)]
+    public async Task<ApiResponse<StoreDeliveryGeocodeDto>> Geocode(
+        [FromQuery] string address,
+        CancellationToken cancellationToken)
+    {
+        var normalizedAddress = address?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(normalizedAddress))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "address 不能为空");
+        }
+
+        var result = await tencentMapGeocodingService.GeocodeAsync(normalizedAddress, cancellationToken);
+        return ApiResponse<StoreDeliveryGeocodeDto>.Ok(new StoreDeliveryGeocodeDto
+        {
+            Address = normalizedAddress,
+            Latitude = result?.Latitude,
+            Longitude = result?.Longitude
+        });
+    }
+
     /// <summary>
     /// 保存门店配送设置。
     /// </summary>
@@ -83,10 +113,15 @@ public sealed class StoreDeliveryController(
         }
 
         setting.Mode = StoreApiHelpers.ToDeliveryMode(request.Mode);
+        var (radiusCenterLatitude, radiusCenterLongitude) = NormalizeRadiusCenter(
+            request.RadiusCenterLatitude,
+            request.RadiusCenterLongitude);
         setting.EtaAdjustmentMinutes = Math.Clamp(request.GeneralSettings.EtaAdjustmentMinutes, 0, 240);
         setting.FreeDeliveryThreshold = request.GeneralSettings.FreeDeliveryThreshold;
         setting.HourlyCapacityLimit = Math.Clamp(request.GeneralSettings.HourlyCapacityLimit, 1, 9999);
         setting.MaxDeliveryDistance = Math.Max(0m, request.GeneralSettings.MaxDeliveryDistance);
+        setting.RadiusCenterLatitude = radiusCenterLatitude;
+        setting.RadiusCenterLongitude = radiusCenterLongitude;
         setting.RadiusTiersJson = JsonSerializer.Serialize(NormalizeRadiusTiers(request.RadiusTiers), StoreApiHelpers.JsonOptions);
 
         var existingZones = await dbContext.StoreDeliveryZones
@@ -109,13 +144,13 @@ public sealed class StoreDeliveryController(
             {
                 entity = new StoreDeliveryZone
                 {
-                    StoreId = parsedStoreId,
-                    PolygonGeoJson = "{}"
+                    StoreId = parsedStoreId
                 };
                 await dbContext.StoreDeliveryZones.AddAsync(entity, cancellationToken);
             }
 
             entity.ZoneName = zone.Name?.Trim() ?? string.Empty;
+            entity.PolygonGeoJson = NormalizePolygonGeoJson(zone.PolygonGeoJson);
             entity.Color = string.IsNullOrWhiteSpace(zone.Color) ? "#1677ff" : zone.Color.Trim();
             entity.MinimumOrderAmount = Math.Max(0m, zone.MinOrderAmount);
             entity.DeliveryFee = Math.Max(0m, zone.DeliveryFee);
@@ -190,6 +225,8 @@ public sealed class StoreDeliveryController(
             targetSetting.FreeDeliveryThreshold = sourceSetting?.FreeDeliveryThreshold ?? 30m;
             targetSetting.HourlyCapacityLimit = sourceSetting?.HourlyCapacityLimit ?? 50;
             targetSetting.MaxDeliveryDistance = sourceSetting?.MaxDeliveryDistance ?? 5m;
+            targetSetting.RadiusCenterLatitude = sourceSetting?.RadiusCenterLatitude;
+            targetSetting.RadiusCenterLongitude = sourceSetting?.RadiusCenterLongitude;
             targetSetting.RadiusTiersJson = sourceSetting?.RadiusTiersJson;
         }
 
@@ -310,7 +347,187 @@ public sealed class StoreDeliveryController(
             DeliveryFee = source.DeliveryFee ?? 0m,
             EtaMinutes = source.EstimatedMinutes ?? 20,
             MinOrderAmount = source.MinimumOrderAmount ?? 0m,
-            Priority = source.Priority
+            Priority = source.Priority,
+            PolygonGeoJson = source.PolygonGeoJson
         };
     }
+
+    private static string NormalizePolygonGeoJson(string? polygonGeoJson)
+    {
+        if (string.IsNullOrWhiteSpace(polygonGeoJson))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "请先绘制配送区域");
+        }
+
+        try
+        {
+            using var document = JsonDocument.Parse(polygonGeoJson);
+            var root = document.RootElement;
+
+            if (root.ValueKind != JsonValueKind.Object)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "区域图形格式非法");
+            }
+
+            if (!root.TryGetProperty("type", out var typeElement) ||
+                !string.Equals(typeElement.GetString(), "FeatureCollection", StringComparison.OrdinalIgnoreCase))
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "区域图形必须为 FeatureCollection");
+            }
+
+            if (!root.TryGetProperty("features", out var featuresElement) ||
+                featuresElement.ValueKind != JsonValueKind.Array ||
+                featuresElement.GetArrayLength() == 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "至少绘制一个配送区域");
+            }
+
+            var polygonCount = 0;
+            foreach (var feature in featuresElement.EnumerateArray())
+            {
+                if (feature.ValueKind != JsonValueKind.Object ||
+                    !feature.TryGetProperty("geometry", out var geometryElement) ||
+                    geometryElement.ValueKind != JsonValueKind.Object)
+                {
+                    throw new BusinessException(ErrorCodes.BadRequest, "区域图形格式非法");
+                }
+
+                if (!geometryElement.TryGetProperty("type", out var geometryTypeElement) ||
+                    !string.Equals(geometryTypeElement.GetString(), "Polygon", StringComparison.OrdinalIgnoreCase))
+                {
+                    throw new BusinessException(ErrorCodes.BadRequest, "仅支持 Polygon 多边形区域");
+                }
+
+                if (!geometryElement.TryGetProperty("coordinates", out var coordinatesElement) ||
+                    coordinatesElement.ValueKind != JsonValueKind.Array ||
+                    coordinatesElement.GetArrayLength() == 0)
+                {
+                    throw new BusinessException(ErrorCodes.BadRequest, "多边形坐标不能为空");
+                }
+
+                ValidatePolygonCoordinates(coordinatesElement);
+                polygonCount++;
+            }
+
+            if (polygonCount == 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "至少绘制一个配送区域");
+            }
+
+            return JsonSerializer.Serialize(root, StoreApiHelpers.JsonOptions);
+        }
+        catch (JsonException)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "区域图形格式非法");
+        }
+    }
+
+    private static void ValidatePolygonCoordinates(JsonElement coordinatesElement)
+    {
+        foreach (var ringElement in coordinatesElement.EnumerateArray())
+        {
+            if (ringElement.ValueKind != JsonValueKind.Array)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "多边形坐标格式非法");
+            }
+
+            double? firstLng = null;
+            double? firstLat = null;
+            double? lastLng = null;
+            double? lastLat = null;
+            var pointCount = 0;
+
+            foreach (var pointElement in ringElement.EnumerateArray())
+            {
+                if (!TryReadLngLat(pointElement, out var lng, out var lat))
+                {
+                    throw new BusinessException(ErrorCodes.BadRequest, "多边形坐标格式非法");
+                }
+
+                if (lng is < -180 or > 180 || lat is < -90 or > 90)
+                {
+                    throw new BusinessException(ErrorCodes.BadRequest, "多边形坐标越界");
+                }
+
+                if (pointCount == 0)
+                {
+                    firstLng = lng;
+                    firstLat = lat;
+                }
+
+                lastLng = lng;
+                lastLat = lat;
+                pointCount++;
+            }
+
+            if (pointCount < 4)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "多边形顶点数量不足");
+            }
+
+            if (firstLng is null || firstLat is null || lastLng is null || lastLat is null)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "多边形坐标格式非法");
+            }
+
+            if (Math.Abs(firstLng.Value - lastLng.Value) > 1e-8 || Math.Abs(firstLat.Value - lastLat.Value) > 1e-8)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "多边形首尾坐标必须闭合");
+            }
+        }
+    }
+
+    private static bool TryReadLngLat(JsonElement pointElement, out double lng, out double lat)
+    {
+        lng = 0;
+        lat = 0;
+        if (pointElement.ValueKind != JsonValueKind.Array)
+        {
+            return false;
+        }
+
+        var coordinateEnumerator = pointElement.EnumerateArray();
+        if (!coordinateEnumerator.MoveNext() ||
+            coordinateEnumerator.Current.ValueKind != JsonValueKind.Number ||
+            !coordinateEnumerator.Current.TryGetDouble(out lng))
+        {
+            return false;
+        }
+
+        if (!coordinateEnumerator.MoveNext() ||
+            coordinateEnumerator.Current.ValueKind != JsonValueKind.Number ||
+            !coordinateEnumerator.Current.TryGetDouble(out lat))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    private static (decimal? Latitude, decimal? Longitude) NormalizeRadiusCenter(
+        decimal? latitude,
+        decimal? longitude)
+    {
+        if (latitude is null && longitude is null)
+        {
+            return (null, null);
+        }
+
+        if (latitude is null || longitude is null)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "半径配送中心点经纬度必须同时填写");
+        }
+
+        if (latitude < -90m || latitude > 90m)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "纬度必须在 -90 到 90 之间");
+        }
+
+        if (longitude < -180m || longitude > 180m)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "经度必须在 -180 到 180 之间");
+        }
+
+        return (decimal.Round(latitude.Value, 7), decimal.Round(longitude.Value, 7));
+    }
 }
diff --git a/src/Api/TakeoutSaaS.TenantApi/Options/TencentMapOptions.cs b/src/Api/TakeoutSaaS.TenantApi/Options/TencentMapOptions.cs
new file mode 100644
index 0000000..ec1a488
--- /dev/null
+++ b/src/Api/TakeoutSaaS.TenantApi/Options/TencentMapOptions.cs
@@ -0,0 +1,32 @@
+namespace TakeoutSaaS.TenantApi.Options;
+
+/// <summary>
+/// 腾讯地图 WebService 配置。
+/// </summary>
+public sealed class TencentMapOptions
+{
+    /// <summary>
+    /// 配置节名称。
+    /// </summary>
+    public const string SectionName = "TencentMap";
+
+    /// <summary>
+    /// WebService 基础地址。
+    /// </summary>
+    public string BaseUrl { get; set; } = "https://apis.map.qq.com";
+
+    /// <summary>
+    /// 地理编码路径。
+    /// </summary>
+    public string GeocoderPath { get; set; } = "/ws/geocoder/v1/";
+
+    /// <summary>
+    /// WebService Key。
+    /// </summary>
+    public string WebServiceKey { get; set; } = string.Empty;
+
+    /// <summary>
+    /// WebService SecretKey（SK）。
+    /// </summary>
+    public string WebServiceSecret { get; set; } = string.Empty;
+}
diff --git a/src/Api/TakeoutSaaS.TenantApi/Program.cs b/src/Api/TakeoutSaaS.TenantApi/Program.cs
index e12afc5..a7cc4d7 100644
--- a/src/Api/TakeoutSaaS.TenantApi/Program.cs
+++ b/src/Api/TakeoutSaaS.TenantApi/Program.cs
@@ -22,6 +22,8 @@ using TakeoutSaaS.Shared.Web.Extensions;
 using TakeoutSaaS.Shared.Web.Filters;
 using TakeoutSaaS.Shared.Web.Security;
 using TakeoutSaaS.Shared.Web.Swagger;
+using TakeoutSaaS.TenantApi.Options;
+using TakeoutSaaS.TenantApi.Services;
 
 // 1. 创建构建器与日志模板
 var builder = WebApplication.CreateBuilder(args);
@@ -108,6 +110,14 @@ builder.Services.AddDictionaryInfrastructure(builder.Configuration);
 builder.Services.AddMessagingApplication();
 builder.Services.AddMessagingModule(builder.Configuration);
 
+// 9.1 注册腾讯地图地理编码服务（服务端签名）
+builder.Services.Configure<TencentMapOptions>(builder.Configuration.GetSection(TencentMapOptions.SectionName));
+builder.Services.AddHttpClient(TencentMapGeocodingService.HttpClientName, client =>
+{
+    client.Timeout = TimeSpan.FromSeconds(8);
+});
+builder.Services.AddScoped<TencentMapGeocodingService>();
+
 // 10. 配置 OpenTelemetry 采集
 var otelSection = builder.Configuration.GetSection("Otel");
 var otelEndpoint = otelSection.GetValue<string>("Endpoint");
diff --git a/src/Api/TakeoutSaaS.TenantApi/Services/TencentMapGeocodingService.cs b/src/Api/TakeoutSaaS.TenantApi/Services/TencentMapGeocodingService.cs
new file mode 100644
index 0000000..cfd4a92
--- /dev/null
+++ b/src/Api/TakeoutSaaS.TenantApi/Services/TencentMapGeocodingService.cs
@@ -0,0 +1,283 @@
+using System.Globalization;
+using System.Security.Cryptography;
+using System.Text;
+using System.Text.Json;
+using Microsoft.Extensions.Options;
+using TakeoutSaaS.TenantApi.Options;
+
+namespace TakeoutSaaS.TenantApi.Services;
+
+/// <summary>
+/// 腾讯地图地理编码服务（服务端签名版）。
+/// </summary>
+public sealed class TencentMapGeocodingService(
+    IHttpClientFactory httpClientFactory,
+    IOptionsMonitor<TencentMapOptions> optionsMonitor,
+    ILogger<TencentMapGeocodingService> logger)
+{
+    /// <summary>
+    /// HttpClient 名称。
+    /// </summary>
+    public const string HttpClientName = "TencentMapWebService";
+
+    /// <summary>
+    /// 根据地址解析经纬度。
+    /// </summary>
+    /// <param name="rawAddress">地址文本。</param>
+    /// <param name="cancellationToken">取消令牌。</param>
+    /// <returns>解析结果；失败时返回 <c>null</c>。</returns>
+    public async Task<(decimal Latitude, decimal Longitude)?> GeocodeAsync(
+        string rawAddress,
+        CancellationToken cancellationToken)
+    {
+        // 1. 预处理地址文本，空值直接返回。
+        var address = rawAddress?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(address))
+        {
+            return null;
+        }
+
+        // 2. 读取腾讯地图配置并做兜底校验。
+        var options = optionsMonitor.CurrentValue;
+        var key = options.WebServiceKey?.Trim() ?? string.Empty;
+        var secret = options.WebServiceSecret?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(key) || string.IsNullOrWhiteSpace(secret))
+        {
+            logger.LogWarning("腾讯地图 WebService 未配置 key/sk，已跳过地址解析。");
+            return null;
+        }
+
+        // 3. 同时尝试两种签名方式，兼容不同编码策略。
+        var baseUrl = NormalizeBaseUrl(options.BaseUrl);
+        var geocoderPath = NormalizePath(options.GeocoderPath);
+        foreach (var useEncodedValueInSignature in new[] { false, true })
+        {
+            var query = new SortedDictionary<string, string>(StringComparer.Ordinal)
+            {
+                ["address"] = address,
+                ["key"] = key
+            };
+            query["sig"] = BuildSignature(
+                geocoderPath,
+                query,
+                secret,
+                useEncodedValueInSignature);
+
+            var requestUri = BuildRequestUri(baseUrl, geocoderPath, query);
+            var response = await RequestAsync(requestUri, cancellationToken);
+            if (response is null)
+            {
+                continue;
+            }
+
+            // 4. 成功状态直接返回经纬度。
+            if (response.Status == 0 &&
+                response.Latitude is not null &&
+                response.Longitude is not null)
+            {
+                return (response.Latitude.Value, response.Longitude.Value);
+            }
+
+            // 5. 仅在签名错误时继续下一轮重试，其他状态直接终止。
+            if (response.Status != 111)
+            {
+                break;
+            }
+        }
+
+        return null;
+    }
+
+    private async Task<TencentGeocodeResponse?> RequestAsync(
+        string requestUri,
+        CancellationToken cancellationToken)
+    {
+        // 1. 发起请求并获取响应文本。
+        using var httpClient = httpClientFactory.CreateClient(HttpClientName);
+        using var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
+        using var response = await httpClient.SendAsync(request, cancellationToken).ConfigureAwait(false);
+        var responseBody = await response.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
+
+        // 2. 解析响应，失败时返回 null。
+        if (!TryParseGeocodeResponse(responseBody, out var parsed))
+        {
+            logger.LogWarning("腾讯地图地理编码响应无法解析。");
+            return null;
+        }
+
+        // 3. 非 0 状态记录诊断信息（不包含敏感密钥）。
+        if (parsed.Status != 0)
+        {
+            logger.LogWarning(
+                "腾讯地图地理编码失败，Status={Status}, Message={Message}",
+                parsed.Status,
+                parsed.Message);
+        }
+
+        return parsed;
+    }
+
+    private static string BuildRequestUri(
+        string baseUrl,
+        string geocoderPath,
+        IReadOnlyDictionary<string, string> query)
+    {
+        var canonicalQuery = string.Join(
+            "&",
+            query
+                .OrderBy(x => x.Key, StringComparer.Ordinal)
+                .Select(x => $"{x.Key}={Uri.EscapeDataString(x.Value)}"));
+
+        var requestUri = new Uri(new Uri(baseUrl, UriKind.Absolute), geocoderPath);
+        return $"{requestUri}?{canonicalQuery}";
+    }
+
+    private static string BuildSignature(
+        string geocoderPath,
+        IReadOnlyDictionary<string, string> query,
+        string secret,
+        bool useEncodedValue)
+    {
+        var canonicalQuery = string.Join(
+            "&",
+            query
+                .OrderBy(x => x.Key, StringComparer.Ordinal)
+                .Select(x =>
+                {
+                    var value = useEncodedValue
+                        ? Uri.EscapeDataString(x.Value)
+                        : x.Value;
+                    return $"{x.Key}={value}";
+                }));
+
+        var payload = $"{geocoderPath}?{canonicalQuery}{secret}";
+        var hashBytes = MD5.HashData(Encoding.UTF8.GetBytes(payload));
+        return Convert.ToHexString(hashBytes).ToLowerInvariant();
+    }
+
+    private static bool TryParseGeocodeResponse(
+        string responseBody,
+        out TencentGeocodeResponse response)
+    {
+        response = new TencentGeocodeResponse();
+        try
+        {
+            using var document = JsonDocument.Parse(responseBody);
+            var root = document.RootElement;
+
+            response.Status = ReadStatus(root);
+            response.Message = root.TryGetProperty("message", out var messageElement)
+                ? messageElement.GetString() ?? string.Empty
+                : string.Empty;
+
+            if (!root.TryGetProperty("result", out var resultElement) ||
+                resultElement.ValueKind != JsonValueKind.Object ||
+                !resultElement.TryGetProperty("location", out var locationElement) ||
+                locationElement.ValueKind != JsonValueKind.Object)
+            {
+                return true;
+            }
+
+            if (!TryReadDecimal(locationElement, "lat", out var latitude) ||
+                !TryReadDecimal(locationElement, "lng", out var longitude))
+            {
+                return true;
+            }
+
+            response.Latitude = decimal.Round(latitude, 7);
+            response.Longitude = decimal.Round(longitude, 7);
+            return true;
+        }
+        catch (JsonException)
+        {
+            return false;
+        }
+    }
+
+    private static int ReadStatus(JsonElement root)
+    {
+        if (!root.TryGetProperty("status", out var statusElement))
+        {
+            return -1;
+        }
+
+        return statusElement.ValueKind switch
+        {
+            JsonValueKind.Number when statusElement.TryGetInt32(out var numeric) => numeric,
+            JsonValueKind.String when int.TryParse(
+                statusElement.GetString(),
+                NumberStyles.Integer,
+                CultureInfo.InvariantCulture,
+                out var parsed) => parsed,
+            _ => -1
+        };
+    }
+
+    private static bool TryReadDecimal(
+        JsonElement parent,
+        string propertyName,
+        out decimal value)
+    {
+        value = 0m;
+        if (!parent.TryGetProperty(propertyName, out var element))
+        {
+            return false;
+        }
+
+        return element.ValueKind switch
+        {
+            JsonValueKind.Number when element.TryGetDecimal(out var numericValue)
+                => Assign(out value, numericValue),
+            JsonValueKind.String when decimal.TryParse(
+                element.GetString(),
+                NumberStyles.Float,
+                CultureInfo.InvariantCulture,
+                out var parsedValue) => Assign(out value, parsedValue),
+            _ => false
+        };
+    }
+
+    private static bool Assign(out decimal target, decimal value)
+    {
+        target = value;
+        return true;
+    }
+
+    private static string NormalizeBaseUrl(string? baseUrl)
+    {
+        var normalized = string.IsNullOrWhiteSpace(baseUrl)
+            ? "https://apis.map.qq.com"
+            : baseUrl.Trim();
+        return normalized.EndsWith('/') ? normalized : $"{normalized}/";
+    }
+
+    private static string NormalizePath(string? path)
+    {
+        var normalized = string.IsNullOrWhiteSpace(path)
+            ? "/ws/geocoder/v1/"
+            : path.Trim();
+
+        if (!normalized.StartsWith('/'))
+        {
+            normalized = $"/{normalized}";
+        }
+
+        if (!normalized.EndsWith('/'))
+        {
+            normalized = $"{normalized}/";
+        }
+
+        return normalized;
+    }
+
+    private sealed class TencentGeocodeResponse
+    {
+        public decimal? Latitude { get; set; }
+
+        public decimal? Longitude { get; set; }
+
+        public string Message { get; set; } = string.Empty;
+
+        public int Status { get; set; }
+    }
+}
diff --git a/src/Api/TakeoutSaaS.TenantApi/appsettings.Development.json b/src/Api/TakeoutSaaS.TenantApi/appsettings.Development.json
index 68b96da..9a37cf6 100644
--- a/src/Api/TakeoutSaaS.TenantApi/appsettings.Development.json
+++ b/src/Api/TakeoutSaaS.TenantApi/appsettings.Development.json
@@ -60,6 +60,12 @@
     "CodeTenantMap": {},
     "ThrowIfUnresolved": false
   },
+  "TencentMap": {
+    "BaseUrl": "https://apis.map.qq.com",
+    "GeocoderPath": "/ws/geocoder/v1/",
+    "WebServiceKey": "DGIBZ-YUM64-5ONUT-F4RIA-MPUP2-XFFXZ",
+    "WebServiceSecret": "6ztzMqwtuOyaJLuBs1koRDyqNpnVyda8"
+  },
   "Cors": {
     "Tenant": []
   },
diff --git a/src/Api/TakeoutSaaS.TenantApi/appsettings.Production.json b/src/Api/TakeoutSaaS.TenantApi/appsettings.Production.json
index 1ee4856..e78b196 100644
--- a/src/Api/TakeoutSaaS.TenantApi/appsettings.Production.json
+++ b/src/Api/TakeoutSaaS.TenantApi/appsettings.Production.json
@@ -58,6 +58,12 @@
     ],
     "RootDomain": ""
   },
+  "TencentMap": {
+    "BaseUrl": "https://apis.map.qq.com",
+    "GeocoderPath": "/ws/geocoder/v1/",
+    "WebServiceKey": "DGIBZ-YUM64-5ONUT-F4RIA-MPUP2-XFFXZ",
+    "WebServiceSecret": "6ztzMqwtuOyaJLuBs1koRDyqNpnVyda8"
+  },
   "Cors": {
     "Tenant": []
   },