fix

Application/BudgetApplication.cs

@@ -224,7 +224,51 @@ public class BudgetApplication(
             StartDate = startDate,
             NoLimit = result.NoLimit,
             IsMandatoryExpense = result.IsMandatoryExpense,
-            UsagePercentage = result.Limit > 0 ? result.Current / result.Limit * 100 : 0
+            UsagePercentage = result.Limit > 0 ? result.Current / result.Limit * 100 : 0,
+            Details = result.Details != null ? MapToSavingsDetailDto(result.Details) : null
+        };
+    }
+    
+    /// <summary>
+    /// 映射存款明细数据到DTO
+    /// </summary>
+    private static SavingsDetailDto MapToSavingsDetailDto(Service.Budget.SavingsDetail details)
+    {
+        return new SavingsDetailDto
+        {
+            IncomeItems = details.IncomeItems.Select(item => new BudgetDetailItemDto
+            {
+                Id = item.Id,
+                Name = item.Name,
+                Type = item.Type,
+                BudgetLimit = item.BudgetLimit,
+                ActualAmount = item.ActualAmount,
+                EffectiveAmount = item.EffectiveAmount,
+                CalculationNote = item.CalculationNote,
+                IsOverBudget = item.IsOverBudget,
+                IsArchived = item.IsArchived,
+                ArchivedMonths = item.ArchivedMonths
+            }).ToList(),
+            ExpenseItems = details.ExpenseItems.Select(item => new BudgetDetailItemDto
+            {
+                Id = item.Id,
+                Name = item.Name,
+                Type = item.Type,
+                BudgetLimit = item.BudgetLimit,
+                ActualAmount = item.ActualAmount,
+                EffectiveAmount = item.EffectiveAmount,
+                CalculationNote = item.CalculationNote,
+                IsOverBudget = item.IsOverBudget,
+                IsArchived = item.IsArchived,
+                ArchivedMonths = item.ArchivedMonths
+            }).ToList(),
+            Summary = new SavingsCalculationSummaryDto
+            {
+                TotalIncomeBudget = details.Summary.TotalIncomeBudget,
+                TotalExpenseBudget = details.Summary.TotalExpenseBudget,
+                PlannedSavings = details.Summary.PlannedSavings,
+                CalculationFormula = details.Summary.CalculationFormula
+            }
         };
     }
 

Application/Dto/BudgetDto.cs

@@ -16,8 +16,52 @@ public record BudgetResponse
     public bool NoLimit { get; init; }
     public bool IsMandatoryExpense { get; init; }
     public decimal UsagePercentage { get; init; }
+    
+    /// <summary>
+    /// 存款明细数据（仅存款预算返回）
+    /// </summary>
+    public SavingsDetailDto? Details { get; init; }
 }
 
+/// <summary>
+/// 存款明细数据 DTO
+/// </summary>
+public record SavingsDetailDto
+{
+    public List<BudgetDetailItemDto> IncomeItems { get; init; } = new();
+    public List<BudgetDetailItemDto> ExpenseItems { get; init; } = new();
+    public SavingsCalculationSummaryDto Summary { get; init; } = new();
+}
+
+/// <summary>
+/// 预算明细项 DTO
+/// </summary>
+public record BudgetDetailItemDto
+{
+    public long Id { get; init; }
+    public string Name { get; init; } = string.Empty;
+    public BudgetPeriodType Type { get; init; }
+    public decimal BudgetLimit { get; init; }
+    public decimal ActualAmount { get; init; }
+    public decimal EffectiveAmount { get; init; }
+    public string CalculationNote { get; init; } = string.Empty;
+    public bool IsOverBudget { get; init; }
+    public bool IsArchived { get; init; }
+    public int[]? ArchivedMonths { get; init; }
+}
+
+/// <summary>
+/// 存款计算汇总 DTO
+/// </summary>
+public record SavingsCalculationSummaryDto
+{
+    public decimal TotalIncomeBudget { get; init; }
+    public decimal TotalExpenseBudget { get; init; }
+    public decimal PlannedSavings { get; init; }
+    public string CalculationFormula { get; init; } = string.Empty;
+}
+
+
 /// <summary>
 /// 创建预算请求
 /// </summary>