mariadb The maximum column size is 767 bytes.

vim /etc/my.cnf

innodb_large_prefix=on
innodb_file_format=BARRACUDA

数据库脚本加入ROW_FORMAT=DYNAMIC

CREATE TABLE `tablename` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci ROW_FORMAT=DYNAMIC;