fix 组卷

zhongzheng-system/src/main/java/com/zhongzheng/modules/bank/service/impl/ExamSimulateServiceImpl.java

@@ -316,7 +316,7 @@ public class ExamSimulateServiceImpl extends ServiceImpl<ExamSimulateMapper, Exa
 
     private List<Long> getWrongQuestion(Long orderGoodsId,Long examId,Integer fromType,Integer orderType,Integer maxQnum,List<Long> knowledQuestionIds,Integer qType){
         if(orderType==2){
-            int num = (int)(maxQnum*Math.random()) + 1;
+            int num = ((int)(maxQnum*Math.random()) + 1)/2;//最多一半是错题
             ExamSimulateQueryBo queryBo = new ExamSimulateQueryBo();
             queryBo.setOrderGoodsId(orderGoodsId);
             queryBo.setExamId(examId);