diff --git a/AssetManager.API/Controllers/PortfolioController.cs b/AssetManager.API/Controllers/PortfolioController.cs
index c458a20..513e8e9 100755
--- a/AssetManager.API/Controllers/PortfolioController.cs
+++ b/AssetManager.API/Controllers/PortfolioController.cs
@@ -45,7 +45,7 @@ public class PortfolioController : ControllerBase
             var response = await _portfolioFacade.CreatePortfolioWithValidationAsync(request, userId);
             return Ok(new ApiResponse<CreatePortfolioResponse>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = response,
                 message = "创建成功"
             });
@@ -54,7 +54,7 @@ public class PortfolioController : ControllerBase
         {
             return BadRequest(new ApiResponse<CreatePortfolioResponse>
             {
-                code = StatusCodes.BadRequest,
+                code = Models.StatusCodes.BadRequest,
                 data = null,
                 message = ex.Message
             });
@@ -72,7 +72,7 @@ public class PortfolioController : ControllerBase
         
         return Ok(new ApiResponse<List<PortfolioListItem>>
         {
-            code = StatusCodes.Success,
+            code = Models.StatusCodes.Success,
             data = portfolios,
             message = "success"
         });
@@ -91,7 +91,7 @@ public class PortfolioController : ControllerBase
             var portfolio = await _portfolioFacade.GetPortfolioDetailAsync(id, userId);
             return Ok(new ApiResponse<PortfolioDetailResponse>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = portfolio,
                 message = "success"
             });
@@ -100,7 +100,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<PortfolioDetailResponse>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
@@ -120,7 +120,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<object>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
@@ -128,7 +128,7 @@ public class PortfolioController : ControllerBase
         
         return Ok(new ApiResponse<object>
         {
-            code = StatusCodes.Success,
+            code = Models.StatusCodes.Success,
             data = null,
             message = "删除成功"
         });
@@ -148,9 +148,9 @@ public class PortfolioController : ControllerBase
         
         var request = new NavHistoryRequest
         {
-            startDate = startDate,
-            endDate = endDate,
-            interval = interval ?? "daily"
+            StartDate = startDate,
+            EndDate = endDate,
+            Interval = interval ?? "daily"
         };
         
         try
@@ -158,7 +158,7 @@ public class PortfolioController : ControllerBase
             var response = await _portfolioFacade.GetNavHistoryAsync(id, request, userId);
             return Ok(new ApiResponse<NavHistoryResponse>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = response,
                 message = "success"
             });
@@ -167,7 +167,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<NavHistoryResponse>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
@@ -189,7 +189,7 @@ public class PortfolioController : ControllerBase
             var response = await _portfolioFacade.BackfillNavHistoryAsync(id, userId, force);
             return Ok(new ApiResponse<BackfillNavResponse>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = response,
                 message = "success"
             });
@@ -198,7 +198,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<BackfillNavResponse>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
@@ -220,7 +220,7 @@ public class PortfolioController : ControllerBase
             var transaction = await _portfolioFacade.CreateTransactionAsync(id, request, userId);
             return Ok(new ApiResponse<TransactionItem>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = transaction,
                 message = "交易创建成功"
             });
@@ -229,7 +229,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<TransactionItem>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
@@ -249,20 +249,20 @@ public class PortfolioController : ControllerBase
         
         var request = new GetTransactionsRequest
         {
-            portfolioId = id,
-            limit = limit,
-            offset = offset
+            PortfolioId = id,
+            Limit = limit,
+            Offset = offset
         };
         
         var transactions = await _portfolioFacade.GetTransactionsAsync(id, request, userId);
         
         return Ok(new ApiResponse<GetTransactionsResponse>
         {
-            code = StatusCodes.Success,
+            code = Models.StatusCodes.Success,
             data = new GetTransactionsResponse
             {
-                items = transactions,
-                total = transactions.Count
+                Items = transactions,
+                Total = transactions.Count
             },
             message = "success"
         });
@@ -281,7 +281,7 @@ public class PortfolioController : ControllerBase
             var signal = await _portfolioFacade.GetStrategySignalAsync(id, userId);
             return Ok(new ApiResponse<StrategySignalResponse>
             {
-                code = StatusCodes.Success,
+                code = Models.StatusCodes.Success,
                 data = signal,
                 message = "success"
             });
@@ -290,7 +290,7 @@ public class PortfolioController : ControllerBase
         {
             return NotFound(new ApiResponse<StrategySignalResponse>
             {
-                code = StatusCodes.NotFound,
+                code = Models.StatusCodes.NotFound,
                 data = null,
                 message = "组合不存在"
             });
diff --git a/AssetManager.API/Controllers/StrategyController.cs b/AssetManager.API/Controllers/StrategyController.cs
index 403e6d8..4b1f994 100755
--- a/AssetManager.API/Controllers/StrategyController.cs
+++ b/AssetManager.API/Controllers/StrategyController.cs
@@ -28,7 +28,7 @@ public class StrategyController : ControllerBase
         return User.FindFirst(ClaimTypes.NameIdentifier)?.Value ?? throw new Exception("User not authenticated");
     }
 
-    private StrategyListItemDTO MapToStrategyListItemDTO(Strategy strategy)
+    private StrategyListItemDto MapToStrategyListItemDTO(Strategy strategy)
     {
         List<string> tags = new List<string>();
         if (!string.IsNullOrEmpty(strategy.Tags))
@@ -41,18 +41,18 @@ public class StrategyController : ControllerBase
             catch { }
         }
 
-        return new StrategyListItemDTO
+        return new StrategyListItemDto
         {
-            id = strategy.Id,
-            userId = strategy.UserId,
-            name = strategy.Alias,
-            type = strategy.Type,
-            description = strategy.Description,
-            tags = tags,
-            riskLevel = strategy.RiskLevel,
-            config = strategy.Config,
-            createdAt = strategy.CreatedAt,
-            updatedAt = strategy.UpdatedAt
+            Id = strategy.Id,
+            UserId = strategy.UserId,
+            Name = strategy.Alias,
+            Type = strategy.Type,
+            Description = strategy.Description,
+            Tags = tags,
+            RiskLevel = strategy.RiskLevel,
+            Config = strategy.Config,
+            CreatedAt = strategy.CreatedAt,
+            UpdatedAt = strategy.UpdatedAt
         };
     }
 
@@ -64,7 +64,7 @@ public class StrategyController : ControllerBase
     /// 此接口用于获取当前登录用户的所有策略列表。
     /// </remarks>
     [HttpGet("strategies")]
-    public ActionResult<ApiResponse<List<StrategyListItemDTO>>> GetStrategies()
+    public ActionResult<ApiResponse<List<StrategyListItemDto>>> GetStrategies()
     {
         try
         {
@@ -76,7 +76,7 @@ public class StrategyController : ControllerBase
 
             _logger.LogInformation("Strategies retrieved successfully");
             
-            return Ok(new ApiResponse<List<StrategyListItemDTO>>
+            return Ok(new ApiResponse<List<StrategyListItemDto>>
             {
                 code = AssetManager.Models.StatusCodes.Success,
                 data = strategyListItems,
@@ -87,7 +87,7 @@ public class StrategyController : ControllerBase
         {
             _logger.LogError(ex, "Error retrieving strategies");
             
-            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<List<StrategyListItemDTO>>
+            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<List<StrategyListItemDto>>
             {
                 code = AssetManager.Models.StatusCodes.InternalServerError,
                 data = null,
@@ -105,7 +105,7 @@ public class StrategyController : ControllerBase
     /// 此接口用于获取指定策略的详细信息。
     /// </remarks>
     [HttpGet("{id}")]
-    public ActionResult<ApiResponse<StrategyListItemDTO>> GetStrategyById(string id)
+    public ActionResult<ApiResponse<StrategyListItemDto>> GetStrategyById(string id)
     {
         try
         {
@@ -117,7 +117,7 @@ public class StrategyController : ControllerBase
 
             _logger.LogInformation($"Strategy {id} retrieved successfully");
             
-            return Ok(new ApiResponse<StrategyListItemDTO>
+            return Ok(new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.Success,
                 data = strategyItem,
@@ -128,7 +128,7 @@ public class StrategyController : ControllerBase
         {
             _logger.LogError(ex, $"Error retrieving strategy {id}");
             
-            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDTO>
+            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.InternalServerError,
                 data = null,
@@ -146,11 +146,11 @@ public class StrategyController : ControllerBase
     /// 此接口用于创建新的策略。
     /// </remarks>
     [HttpPost]
-    public ActionResult<ApiResponse<StrategyListItemDTO>> CreateStrategy([FromBody] CreateStrategyRequest request)
+    public ActionResult<ApiResponse<StrategyListItemDto>> CreateStrategy([FromBody] CreateStrategyRequest request)
     {
         try
         {
-            _logger.LogInformation($"Request to create strategy: {request.name}");
+            _logger.LogInformation($"Request to create strategy: {request.Name}");
             
             var userId = GetCurrentUserId();
             var strategy = _strategyService.CreateStrategy(request, userId);
@@ -158,7 +158,7 @@ public class StrategyController : ControllerBase
 
             _logger.LogInformation($"Strategy {strategy.Id} created successfully");
             
-            return Ok(new ApiResponse<StrategyListItemDTO>
+            return Ok(new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.Success,
                 data = strategyItem,
@@ -169,7 +169,7 @@ public class StrategyController : ControllerBase
         {
             _logger.LogError(ex, "Error creating strategy");
             
-            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDTO>
+            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.InternalServerError,
                 data = null,
@@ -188,7 +188,7 @@ public class StrategyController : ControllerBase
     /// 此接口用于更新指定策略的信息。
     /// </remarks>
     [HttpPut("{id}")]
-    public ActionResult<ApiResponse<StrategyListItemDTO>> UpdateStrategy(string id, [FromBody] UpdateStrategyRequest request)
+    public ActionResult<ApiResponse<StrategyListItemDto>> UpdateStrategy(string id, [FromBody] UpdateStrategyRequest request)
     {
         try
         {
@@ -200,7 +200,7 @@ public class StrategyController : ControllerBase
 
             _logger.LogInformation($"Strategy {id} updated successfully");
             
-            return Ok(new ApiResponse<StrategyListItemDTO>
+            return Ok(new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.Success,
                 data = strategyItem,
@@ -211,7 +211,7 @@ public class StrategyController : ControllerBase
         {
             _logger.LogError(ex, $"Error updating strategy {id}");
             
-            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDTO>
+            return StatusCode(AssetManager.Models.StatusCodes.InternalServerError, new ApiResponse<StrategyListItemDto>
             {
                 code = AssetManager.Models.StatusCodes.InternalServerError,
                 data = null,
diff --git a/AssetManager.Services/PortfolioService.cs b/AssetManager.Services/PortfolioService.cs
index 74e7488..5073652 100755
--- a/AssetManager.Services/PortfolioService.cs
+++ b/AssetManager.Services/PortfolioService.cs
@@ -54,15 +54,15 @@ public class PortfolioService : IPortfolioService
                 .Where(s => s.Id == request.StrategyId && s.UserId == userId)
                 .First();
             
-            if (strategy != null && !string.IsNullOrEmpty(strategy.Config))
+            if (Strategy != null && !string.IsNullOrEmpty(Strategy.Config))
             {
                 try
                 {
                     // 风险平价策略
-                    if (strategy.Type?.Equals("risk_parity", StringComparison.OrdinalIgnoreCase) == true)
+                    if (Strategy.Type?.Equals("risk_parity", StringComparison.OrdinalIgnoreCase) == true)
                     {
                         // 处理可能的双层转义
-                        string configJson = strategy.Config;
+                        string configJson = Strategy.Config;
                         if (configJson.StartsWith("\"") && configJson.EndsWith("\""))
                         {
                             // 去掉外层的引号和转义
@@ -219,7 +219,7 @@ public class PortfolioService : IPortfolioService
                 .Where(pos => pos.PortfolioId == portfolio.Id)
                 .ToList();
 
-            foreach (var pos in positions)
+            foreach (var pos in Positions)
             {
                 if (pos.StockCode == null || pos.Currency == null)
                 {
@@ -235,7 +235,7 @@ public class PortfolioService : IPortfolioService
                     if (priceResponse.Price > 0)
                     {
                         CurrentPrice = priceResponse.Price;
-                        previousClose = priceResponse.PreviousClose > 0 ? priceResponse.PreviousClose : currentPrice;
+                        previousClose = priceResponse.PreviousClose > 0 ? priceResponse.PreviousClose : CurrentPrice;
                     }
                 }
                 catch (Exception ex)
@@ -243,14 +243,14 @@ public class PortfolioService : IPortfolioService
                     _logger.LogWarning(ex, "获取标的 {StockCode} 实时价格失败，使用成本价作为当前价", pos.StockCode);
                 }
 
-                decimal currentPositionValue = pos.Shares * currentPrice;
+                decimal currentPositionValue = pos.Shares * CurrentPrice;
                 decimal costPositionValue = pos.Shares * pos.AvgPrice;
-                decimal TodayProfit = previousClose > 0 ? pos.Shares * (currentPrice - previousClose) : 0;
+                decimal TodayProfit = previousClose > 0 ? pos.Shares * (CurrentPrice - previousClose) : 0;
 
                 // 换算到目标本位币
                 decimal currentInTarget = await _exchangeRateService.ConvertAmountAsync(currentPositionValue, pos.Currency, targetCurrency);
                 decimal costInTarget = await _exchangeRateService.ConvertAmountAsync(costPositionValue, pos.Currency, targetCurrency);
-                decimal todayProfitInTarget = await _exchangeRateService.ConvertAmountAsync(todayProfit, pos.Currency, targetCurrency);
+                decimal todayProfitInTarget = await _exchangeRateService.ConvertAmountAsync(TodayProfit, pos.Currency, targetCurrency);
                 
                 _logger.LogInformation("标的 {StockCode} 换算: {Amount} {From} → {Converted} {To}，汇率: {Rate}", 
                     pos.StockCode, currentPositionValue, pos.Currency, currentInTarget, targetCurrency, 
@@ -302,7 +302,7 @@ public class PortfolioService : IPortfolioService
         decimal totalTodayProfit = 0;
         var positionItems = new List<PositionItem>();
 
-        foreach (var pos in positions)
+        foreach (var pos in Positions)
         {
             if (pos.StockCode == null || pos.Currency == null)
             {
@@ -318,7 +318,7 @@ public class PortfolioService : IPortfolioService
                 if (priceResponse.Price > 0)
                 {
                     CurrentPrice = priceResponse.Price;
-                    previousClose = priceResponse.PreviousClose > 0 ? priceResponse.PreviousClose : currentPrice;
+                    previousClose = priceResponse.PreviousClose > 0 ? priceResponse.PreviousClose : CurrentPrice;
                 }
             }
             catch (Exception ex)
@@ -326,16 +326,16 @@ public class PortfolioService : IPortfolioService
                 _logger.LogWarning(ex, "获取标的 {StockCode} 实时价格失败，使用成本价作为当前价", pos.StockCode);
             }
 
-            decimal positionValue = pos.Shares * currentPrice;
+            decimal positionValue = pos.Shares * CurrentPrice;
             decimal cost = pos.Shares * pos.AvgPrice;
             decimal Profit = positionValue - cost;
-            double ProfitRate = cost > 0 ? (double)(profit / cost * 100) : 0;
-            decimal TodayProfit = previousClose > 0 ? pos.Shares * (currentPrice - previousClose) : 0;
+            double ProfitRate = cost > 0 ? (double)(Profit / cost * 100) : 0;
+            decimal TodayProfit = previousClose > 0 ? pos.Shares * (CurrentPrice - previousClose) : 0;
 
             // 转换为组合本位币
             decimal positionValueInTarget = await _exchangeRateService.ConvertAmountAsync(positionValue, pos.Currency, targetCurrency);
             decimal costInTarget = await _exchangeRateService.ConvertAmountAsync(cost, pos.Currency, targetCurrency);
-            decimal todayProfitInTarget = await _exchangeRateService.ConvertAmountAsync(todayProfit, pos.Currency, targetCurrency);
+            decimal todayProfitInTarget = await _exchangeRateService.ConvertAmountAsync(TodayProfit, pos.Currency, targetCurrency);
 
             totalPortfolioValue += positionValueInTarget;
             totalCost += costInTarget;
@@ -349,10 +349,10 @@ public class PortfolioService : IPortfolioService
                 Symbol = pos.StockCode,
                 Amount = (int)pos.Shares,
                 AveragePrice = (double)pos.AvgPrice,
-                CurrentPrice = (double)currentPrice,
+                CurrentPrice = (double)TodayProfit,
                 TotalValue = (double)positionValueInTarget,
                 Profit = (double)(positionValueInTarget - costInTarget),
-                ProfitRate = profitRate,
+                ProfitRate = ProfitRate,
                 ChangeAmount = (double)todayProfitInTarget,
                 Ratio = 0, // 后面统一计算比例
                 DeviationRatio = 0, // 后续实现
@@ -367,7 +367,7 @@ public class PortfolioService : IPortfolioService
         }
 
         decimal TotalReturn = totalPortfolioValue - totalCost;
-        double totalReturnRate = totalCost > 0 ? (double)(totalReturn / totalCost * 100) : 0;
+        double totalReturnRate = totalCost > 0 ? (double)(TotalReturn / totalCost * 100) : 0;
 
         return new PortfolioDetailResponse
         {
@@ -382,7 +382,7 @@ public class PortfolioService : IPortfolioService
                 Description = "策略描述"
             },
             PortfolioValue = (double)totalPortfolioValue,
-            TotalReturn = (double)totalReturn,
+            TotalReturn = (double)TotalReturn,
             TodayProfit = (double)totalTodayProfit,
             HistoricalChange = totalReturnRate,
             DailyVolatility = 0, // 后续实现
@@ -390,7 +390,7 @@ public class PortfolioService : IPortfolioService
             LogicModel = "HFEA 风险平价逻辑",
             LogicModelStatus = "监控中",
             LogicModelDescription = "目标权重 季度调仓",
-            TotalItems = positions.Count,
+            TotalItems = Positions.Count,
             TotalRatio = 100.0,
             Positions = positionItems
         };
@@ -576,7 +576,7 @@ public class PortfolioService : IPortfolioService
             .ToList();
 
         decimal totalPortfolioValue = 0;
-        foreach (var pos in positions)
+        foreach (var pos in Positions)
         {
             if (pos.StockCode == null)
             {
@@ -598,7 +598,7 @@ public class PortfolioService : IPortfolioService
                 _logger.LogWarning(ex, "获取标的 {StockCode} 实时价格失败，使用成本价计算组合总价值", pos.StockCode);
             }
 
-            totalPortfolioValue += pos.Shares * currentPrice;
+            totalPortfolioValue += pos.Shares * CurrentPrice;
         }
 
         portfolio.TotalValue = totalPortfolioValue;
@@ -648,7 +648,7 @@ public class PortfolioService : IPortfolioService
 
     public Task<List<TransactionItem>> GetTransactionsAsync(string portfolioId, GetTransactionsRequest request, string userId)
     {
-        var response = GetTransactions(portfolioId, userId, request.limit, request.offset);
+        var response = GetTransactions(portfolioId, userId, request.Limit, request.Offset);
         return Task.FromResult(response.Items ?? new List<TransactionItem>());
     }
 
@@ -659,7 +659,7 @@ public class PortfolioService : IPortfolioService
         
         return new TransactionItem
         {
-            Id = response.id,
+            Id = response.Id,
             PortfolioId = portfolioId,
             Date = DateTime.Now.ToString("yyyy-MM-dd"),
             Time = DateTime.Now.ToString("HH:mm:ss"),
@@ -667,7 +667,7 @@ public class PortfolioService : IPortfolioService
             StockCode = request.StockCode,
             Amount = response.TotalAmount,
             Currency = request.Currency,
-            Status = response.status,
+            Status = response.Status,
             Remark = request.Remark
         };
     }
@@ -687,9 +687,9 @@ public class PortfolioService : IPortfolioService
         var Positions = _db.Queryable<Position>()
             .Where(pos => pos.PortfolioId == portfolioId)
             .ToList();
-        if (positions.Any())
+        if (Positions.Any())
         {
-            _db.Deleteable(positions).ExecuteCommand();
+            _db.Deleteable(Positions).ExecuteCommand();
         }
 
         // 删除相关交易
diff --git a/AssetManager.Tests/Repositories/PortfolioRepositoryTests.cs b/AssetManager.Tests/Repositories/PortfolioRepositoryTests.cs
index 3bfc721..ea5fe6a 100644
--- a/AssetManager.Tests/Repositories/PortfolioRepositoryTests.cs
+++ b/AssetManager.Tests/Repositories/PortfolioRepositoryTests.cs
@@ -1,6 +1,7 @@
 using AssetManager.Data;
 using AssetManager.Data.Repositories;
 using FluentAssertions;
+using Microsoft.Extensions.Logging;
 using Moq;
 using SqlSugar;
 using Xunit;
diff --git a/AssetManager.Tests/Services/PortfolioServiceTests.cs b/AssetManager.Tests/Services/PortfolioServiceTests.cs
index 7adc58b..7e8a612 100644
--- a/AssetManager.Tests/Services/PortfolioServiceTests.cs
+++ b/AssetManager.Tests/Services/PortfolioServiceTests.cs
@@ -3,6 +3,7 @@ using AssetManager.Infrastructure.Services;
 using AssetManager.Models.DTOs;
 using AssetManager.Services;
 using FluentAssertions;
+using Microsoft.Extensions.Logging;
 using Moq;
 using SqlSugar;
 using Xunit;