diff --git a/netcore/src/Modularity/Extend/NCC.Extend/LqDailyReportService.cs b/netcore/src/Modularity/Extend/NCC.Extend/LqDailyReportService.cs
index 34d7786..f0ad62a 100644
--- a/netcore/src/Modularity/Extend/NCC.Extend/LqDailyReportService.cs
+++ b/netcore/src/Modularity/Extend/NCC.Extend/LqDailyReportService.cs
@@ -410,43 +410,48 @@ namespace NCC.Extend
             }
 
             // 第二步：统计各事业部的开单业绩
+            // 重要：门店归属事业部应该从门店目标表（lq_md_target）中获取，不同月份的归属可能不一样
+            // 通过 lq_md_target 表关联门店和事业部，确保使用指定月份的事业部归属关系
             var businessUnitIds = businessUnitDict.Keys.ToList();
             var unitIdsStr = string.Join("','", businessUnitIds);
 
             var billingPerformanceSql = $@"
                 SELECT 
-                    store.syb as BusinessUnitId,
+                    target.F_BusinessUnit as BusinessUnitId,
                     COALESCE(SUM(billing.sfyj), 0) as BillingPerformance
                 FROM lq_kd_kdjlb billing
-                INNER JOIN lq_mdxx store ON billing.djmd = store.F_Id
-                INNER JOIN base_organize o ON store.syb = o.F_Id
+                INNER JOIN lq_md_target target ON billing.djmd = target.F_StoreId AND target.F_Month = '{month}'
+                INNER JOIN base_organize o ON target.F_BusinessUnit = o.F_Id
                 WHERE billing.F_IsEffective = 1
+                    AND target.F_BusinessUnit IS NOT NULL
                     AND o.F_Category = 'department'
                     AND (o.F_DeleteMark IS NULL OR o.F_DeleteMark != 1)
                     AND o.F_FullName IN ('事业一部', '事业二部', '事业三部', '事业四部', '事业五部', '事业六部')
                     AND DATE(billing.kdrq) >= '{startDate:yyyy-MM-dd}'
                     AND DATE(billing.kdrq) <= '{endDate:yyyy-MM-dd}'
-                    AND store.syb IN ('{unitIdsStr}')
-                GROUP BY store.syb";
+                    AND target.F_BusinessUnit IN ('{unitIdsStr}')
+                GROUP BY target.F_BusinessUnit";
 
             var billingPerformanceData = await _db.Ado.SqlQueryAsync<dynamic>(billingPerformanceSql);
 
             // 第三步：统计各事业部的退卡金额（使用实退金额，如果没有则使用退卡总金额）
+            // 重要：门店归属事业部应该从门店目标表（lq_md_target）中获取，不同月份的归属可能不一样
             var refundPerformanceSql = $@"
                 SELECT 
-                    store.syb as BusinessUnitId,
+                    target.F_BusinessUnit as BusinessUnitId,
                     COALESCE(SUM(COALESCE(refund.F_ActualRefundAmount, refund.tkje, 0)), 0) as RefundPerformance
                 FROM lq_hytk_hytk refund
-                INNER JOIN lq_mdxx store ON refund.md = store.F_Id
-                INNER JOIN base_organize o ON store.syb = o.F_Id
+                INNER JOIN lq_md_target target ON refund.md = target.F_StoreId AND target.F_Month = '{month}'
+                INNER JOIN base_organize o ON target.F_BusinessUnit = o.F_Id
                 WHERE refund.F_IsEffective = 1
+                    AND target.F_BusinessUnit IS NOT NULL
                     AND o.F_Category = 'department'
                     AND (o.F_DeleteMark IS NULL OR o.F_DeleteMark != 1)
                     AND o.F_FullName IN ('事业一部', '事业二部', '事业三部', '事业四部', '事业五部', '事业六部')
                     AND DATE(refund.tksj) >= '{startDate:yyyy-MM-dd}'
                     AND DATE(refund.tksj) <= '{endDate:yyyy-MM-dd}'
-                    AND store.syb IN ('{unitIdsStr}')
-                GROUP BY store.syb";
+                    AND target.F_BusinessUnit IN ('{unitIdsStr}')
+                GROUP BY target.F_BusinessUnit";
 
             var refundPerformanceData = await _db.Ado.SqlQueryAsync<dynamic>(refundPerformanceSql);