套题bug修改

cqb-paper/src/main/java/com/qmth/cqb/paper/service/ImportPaperService.java

@@ -780,6 +780,7 @@ public class ImportPaperService {
                     throw new PaperException(importPaperCheck.errorInfo);
                 }
                 subQues = new Question();
+                subQues.setId(UUID.randomUUID().toString());
                 subQues.setQuestionType(getQuesStructType(nestedQuesType));
                 if (StringUtils.isNumeric(importPaperCheck.getQuesScore())) {
                     subQues.setScore(Double.parseDouble(importPaperCheck.getQuesScore()));