组卷bug修改

examcloud-core-questions-service/src/main/java/cn/com/qmth/examcloud/core/questions/service/impl/GenPaperService.java

@@ -337,7 +337,7 @@ public class GenPaperService {
     			}
     			//生成随机抽取的题号
     			List<Integer> questionsIndex = new ArrayList<Integer>();
-    			questionsIndex = CommonUtils.getTandom(questionsIndex, needNumber, questionSum);
+    			questionsIndex = CommonUtils.getTandom(questionsIndex, unitList.size(), unitList.size());
     			//定义随机抽题的数量
     			int lastNumber = 0;
     			List<PaperDetailUnit> newDetailUnits = new ArrayList<PaperDetailUnit>();