insert into `insert_table` (`datetime`, `uid`, `content`, `type`)
values ('0', 'userid_0', 'content_0', 0);
insert into `insert_table` (`datetime`, `uid`, `content`, `type`)
values ('1', 'userid_1', 'content_1', 1);
改成：insert into `insert_table` (`datetime`, `uid`, `content`, `type`)
values ('0', 'userid_0', 'content_0', 0), ('1', 'userid_1', 'content_1', 1);
