diff --git a/anrui-reportcenter/anrui-reportcenter-biz/src/main/java/com/yxt/anrui/reportcenter/biz/dailyreport/DailyReportService.java b/anrui-reportcenter/anrui-reportcenter-biz/src/main/java/com/yxt/anrui/reportcenter/biz/dailyreport/DailyReportService.java
index b91bea6424..a3b58d131d 100644
--- a/anrui-reportcenter/anrui-reportcenter-biz/src/main/java/com/yxt/anrui/reportcenter/biz/dailyreport/DailyReportService.java
+++ b/anrui-reportcenter/anrui-reportcenter-biz/src/main/java/com/yxt/anrui/reportcenter/biz/dailyreport/DailyReportService.java
@@ -746,7 +746,7 @@ public class DailyReportService extends MybatisBaseService<DailyReportMapper, Da
         List<String> row3 = dailyReportVoList.stream().map(v -> v.getEmissionStandardValue()).collect(Collectors.toList());
         dailyReportAppVo.setRow3(row3);
 
-        //按品牌sid分组
+        //按品牌sid分组，为保证dailyReportVoList分组的顺序，使用LinkedHashMap
         Map<String, List<DailyReportVo>> groupedByBrandSid = dailyReportVoList.stream()
                 .collect(Collectors.groupingBy(DailyReportVo::getBrandSid, LinkedHashMap::new, Collectors.toList()));
         //遍历分组并组装每组的数据