采购建议fix

AutoTurnOver.DB/purchase_advise.cs

@@ -638,6 +638,8 @@ and t1.quantity_init_advise>=0 and ( t3.buyer_name in ('张莹霞1') and t1.ware
                 //只计算有监控库容的母sku
                 mother_datas = mother_datas.Where(s=> mother_storage_capacity_configs.Any(v=> s.bailun_sku_warehouse_code==s.bailun_sku_warehouse_code)).ToList();
 
+                if(mother_datas!=null && mother_datas.Count >= 1)
+                {
                     // 查询母sku锁包含的子sku全部清除
                     var maps = _connection.Query<dc_base_mother_sku_map>(" select * from dc_base_mother_sku_map where mother_sku_warehouse_code in @mother_sku_warehouse_codes ", new
                     {
@@ -716,6 +718,8 @@ and t1.quantity_init_advise>=0 and ( t3.buyer_name in ('张莹霞1') and t1.ware
                     }
                 }
                 
+            }
+
             // 再查询需要监控库容的非子母sku
             var dc_base_storage_capacity_configs = _connection.Query<dc_base_storage_capacity_config>(" select * from dc_base_storage_capacity_config where bailun_sku_warehouse_code in @bailun_sku_warehouse_codes ", new
             {