fix:修复注释错误

src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingStatisticsQueryHandler.cs

@@ -29,7 +29,7 @@ public sealed class GetBillingStatisticsQueryHandler(
         var endDate = request.EndDate ?? DateTime.UtcNow;
         var groupBy = NormalizeGroupBy(request.GroupBy);
 
-        // 2. (空行后) 查询统计数据（总览 + 趋势）
+        // 2. 查询统计数据（总览 + 趋势）
         return await dapperExecutor.QueryAsync(
             DatabaseConstants.AppDataSource,
             DatabaseConnectionRole.Read,
@@ -59,7 +59,7 @@ public sealed class GetBillingStatisticsQueryHandler(
                 var totalAmountUnpaid = summaryReader.IsDBNull(7) ? 0m : summaryReader.GetDecimal(7);
                 var totalOverdueAmount = summaryReader.IsDBNull(8) ? 0m : summaryReader.GetDecimal(8);
 
-                // 2.2 (空行后) 趋势数据
+                // 2.2 趋势数据
                 await using var trendCommand = CreateCommand(
                     connection,
                     BuildTrendSql(groupBy),
@@ -83,7 +83,7 @@ public sealed class GetBillingStatisticsQueryHandler(
                     countTrend[key] = trendReader.IsDBNull(3) ? 0 : trendReader.GetInt32(3);
                 }
 
-                // 2.3 (空行后) 组装 DTO
+                // 2.3 组装 DTO
                 return new BillingStatisticsDto
                 {
                     TenantId = request.TenantId,