SQLYog执行SQL脚本提示：错误代码： 1067 - Invalid default value for '数据库表'查询：解决办法

CREATE TABLE `msg` (
  `id` bigint(20) NOT NULL COMMENT ‘主键‘,
  `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT ‘创建时间‘,
  `gmt_modified` datetime DEFAULT CURRENT_TIMESTAMP COMMENT ‘修改时间‘,
  `status_id` tinyint(3) unsigned NOT NULL DEFAULT ‘1‘ COMMENT ‘状态(1有效, 0无效)‘,
  `sort` int(11) NOT NULL DEFAULT ‘1‘ COMMENT ‘排序‘,
  `msg_type` tinyint(3) NOT NULL DEFAULT ‘1‘ COMMENT ‘短信类型(1系统消息,2其他)‘,
  `msg_title` varchar(255) NOT NULL COMMENT ‘短信标题‘,
  `msg_text` text COMMENT ‘短信内容‘,
  `is_time_send` tinyint(3) unsigned NOT NULL DEFAULT ‘0‘ COMMENT ‘是否定时发送（1是，0否）‘,
  `send_time` datetime DEFAULT NULL COMMENT ‘发送时间‘,
  `is_send` tinyint(3) unsigned NOT NULL DEFAULT ‘0‘ COMMENT ‘是否已发送(1是;0否)‘,
  `is_top` tinyint(3) unsigned NOT NULL DEFAULT ‘0‘ COMMENT ‘是否置顶(1是;0否)‘,
  `back_remark` varchar(255) DEFAULT NULL COMMENT ‘后台备注‘,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT=‘站内信息表‘;