fix

Service/Budget/BudgetSavingsService.cs

@@ -426,6 +426,7 @@ public class BudgetSavingsService(
         // 归档的预算收入支出明细
         var archiveIncomeItems = new List<(long id, string name, int[] months, decimal limit, decimal current)>();
         var archiveExpenseItems = new List<(long id, string name, int[] months, decimal limit, decimal current)>();
+        var archiveSavingsItems = new List<(long id, string name, int[] months, decimal limit, decimal current)>();
         // 获取归档数据
         var archives = await budgetArchiveRepository.GetArchivesByYearAsync(year);
         var archiveBudgetGroups = archives
@@ -440,6 +441,7 @@ public class BudgetSavingsService(
             {
                 BudgetCategory.Income => archiveIncomeItems,
                 BudgetCategory.Expense => archiveExpenseItems,
+                BudgetCategory.Savings => archiveSavingsItems,
                 _ => throw new NotSupportedException($"Category {archive.Category} is not supported.")
             };
 
@@ -663,7 +665,62 @@ public class BudgetSavingsService(
         """);
         }
         #endregion
+        #region 构建归档存款明细表格
+        var archiveSavingsDiff = 0m;
+        if (archiveSavingsItems.Any())
+        {
+            description.AppendLine("<h3>已归档存款明细</h3>");
+            description.AppendLine("""
+        <table>
+            <thead>
+                <tr>
+                    <th>名称</th>
+                    <th>预算</th>
+                    <th>月</th>
+                    <th>合计</th>
+                    <th>实际</th>
+                </tr>
+            </thead>
+            <tbody>
+        """);
 
+            // 已归档的存款
+            foreach (var (_, name, months, limit, current) in archiveSavingsItems)
+            {
+                description.AppendLine($"""
+                <tr>
+                    <td>{name}</td>
+                    <td>{(limit == 0 ? "不限额" : limit.ToString("N0"))}</td>
+                    <td>{FormatMonths(months)}</td>
+                    <td>{limit * months.Length:N0}</td>
+                    <td><span class='income-value'>{current:N0}</span></td>
+                </tr>
+                """);
+            }
+            description.AppendLine("</tbody></table>");
+
+            archiveSavingsDiff = archiveSavingsItems.Sum(i => i.current) - archiveSavingsItems.Sum(i => i.limit * i.months.Length);
+            description.AppendLine($"""
+        <p>
+            <span class="highlight">已归档存款总结: </span>
+            {(archiveSavingsDiff > 0 ? "超额存款" : "未达预期")}:
+            <span class='{(archiveSavingsDiff > 0 ? "income-value" : "expense-value")}'>
+                <strong>{archiveSavingsDiff:N0}</strong>
+            </span>
+            = 
+            实际存款合计:
+            <span class='income-value'>
+                <strong>{archiveSavingsItems.Sum(i => i.current):N0}</strong>
+            </span>
+            - 
+            预算存款合计:
+            <span class='income-value'>
+                <strong>{archiveSavingsItems.Sum(i => i.limit * i.months.Length):N0}</strong>
+            </span>
+        </p>
+        """);
+        }
+        #endregion
         #region 构建当前年度预算支出明细表格
         description.AppendLine("<h3>预算支出明细</h3>");
         description.AppendLine("""
@@ -723,7 +780,10 @@ public class BudgetSavingsService(
         #region 总结
         var archiveIncomeBudget = archiveIncomeItems.Sum(i => i.limit * i.months.Length);
         var archiveExpenseBudget = archiveExpenseItems.Sum(i => i.limit * i.months.Length);
-        var archiveSavings = archiveIncomeBudget - archiveExpenseBudget + archiveIncomeDiff + archiveExpenseDiff;
+        // 如果有归档存款数据，直接使用；否则用收入-支出计算
+        var archiveSavings = archiveSavingsItems.Any() 
+            ? archiveSavingsItems.Sum(i => i.current)
+            : archiveIncomeBudget - archiveExpenseBudget + archiveIncomeDiff + archiveExpenseDiff;
 
         var expectedIncome = currentMonthlyIncomeItems.Sum(i => i.limit == 0 ? i.current : i.limit * i.factor) + currentYearlyIncomeItems.Sum(i => i.isMandatory || i.limit == 0 ? i.current : i.limit);
         var expectedExpense = currentMonthlyExpenseItems.Sum(i => i.limit == 0 ? i.current : i.limit * i.factor) + currentYearlyExpenseItems.Sum(i => i.isMandatory || i.limit == 0 ? i.current : i.limit);