用户签到日志表
CREATE TABLE `tf_user_signin_log` (`signin_id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '签到ID',`user_id` bigint(20) DEFAULT NULL COMMENT '用户ID',`insert_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '更新时间',PRIMARY KEY (`signin_id`),KEY `FK_Reference_39` (`user_id`),CONSTRAINT `FK_Reference_39` FOREIGN KEY (`user_id`) REFERENCES `tf_user` (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;