fix 预警数量可为0

netflix-dao/src/main/java/com/cyksj/model/entity/GroupsRelationAlert.java

@@ -26,7 +26,7 @@ public class GroupsRelationAlert extends BaseEntity{
 	 * 预警数量
 	 */
 	@NotNull(message = "预警数量不为空")
-	@Min(value = 1, message = "请输入正确的库存预警数量")
+	@Min(value = 0, message = "请输入正确的库存预警数量")
 	private Integer num;
 
 	/**