方法

1.进入数据库，点击左边博客的数据库.
2.点击SQL
3.复制，粘贴下面代码

alter table typecho_comments convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_contents convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_fields convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_metas convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_options convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_relationships convert to character set utf8mb4 collate utf8mb4_general_ci;
alter table typecho_users convert to character set utf8mb4 collate utf8mb4_general_ci;

4.执行
5.检查数据库的配置文件
网站根目录数据库配置文件config.inc.php，大约在60行
/* 定义数据库参数 / $db = new Typecho_Db('Pdo_Mysql', 'typecho_'); $db->addServer(array ( ... 'charset' => 'utf8mb4', // 将原来的utf8修改为 utf8mb4 ... ), Typecho_Db::READ | Typecho_Db::WRITE); Typecho_Db::set($db);