mysql.ini文件配置utf8mb4
default-storage-engine=INNODB
init_connect='SET collation_connection = utf8_unicode_ci'
init_connect='SET NAMES utf8mb4'
character-set-server=utf8mb4
collation-server=utf8mb4_unicode_ci
skip-character-set-client-handshake
重启mysql服务
将数据库字符集改成utf8mb4