...

examcloud-core-basic-dao/src/main/java/cn/com/qmth/examcloud/core/basic/dao/entity/SystemPropertyEntity.java

@@ -34,7 +34,7 @@ public class SystemPropertyEntity extends JpaEntity {
 	@Enumerated(EnumType.STRING)
 	private BasicDataType propValueType;
 
-	@Column(nullable = false, length = 1000)
+	@Column(nullable = true, length = 1000)
 	private String propValue;
 
 	public String getPropKey() {