修改bug

exam-work-api/src/main/java/cn/com/qmth/examcloud/service/examwork/service/ExamStudentService.java

@@ -314,6 +314,7 @@ public class ExamStudentService {
 	private Specification<ExamStudent> getSpecification(ExamStudentDTO examCriteria) {
 		Specification<ExamStudent> specification = (root, query, cb) -> {
 		    List<Predicate> predicates = new ArrayList<>();
+			predicates.add(cb.equal(root.get("exam").get("enable"),true));
 		    if(!StringUtils.isEmpty(examCriteria.getRootOrgId())){
 		    	predicates.add(cb.equal(root.get("rootOrgId"),examCriteria.getRootOrgId()));
 		    }