feature: 返回roundDetalV2中设置默认的round为列表中最后一个

server/src/main/java/com/pica/cloud/online/exam/analysis/server/controller/AnalysisController.java

@@ -629,9 +629,11 @@ public class AnalysisController {
                 List<AnalysisRoundDto> roundDtoList = analysisService.getCHCHistoryRound(CHC_ANALYSIS_ID);
 
                 /**
-                 * 获取list中第一个的roundId
+                 * 获取list中最后一个的roundId
                  */
-                roundId = roundDtoList.get(0).getRoundId();
+                if (roundDtoList.size() > 0) {
+                    roundId = roundDtoList.get(roundDtoList.size() - 1).getRoundId();
+                }
 
                 roundExamTitleV2Dto.setRoundList(roundDtoList);
             }