update

examcloud-core-examwork-dao/src/main/java/cn/com/qmth/examcloud/core/examwork/dao/entity/UserNoticeEntity.java

@@ -60,7 +60,7 @@ public class UserNoticeEntity extends WithIdJpaEntity {
 	/**
 	 * 是否已撤销
 	 */
-	@Column(nullable = false)
+	@Column(nullable = true)
 	private Boolean hasRecalled;
 
 	public Long getRootOrgId() {