今天做服务器上的东西需要看数据库时，突然发现有这个报错，然后自己也查了很多资料
我最后找到一个在my,cnf配置文件中mysqld下加入一条
max_allowed_packet = 500M
也就是配置MySQL允许的最大数据包大小，上面的500M你可以根据你的项目修改为你自己的值，只要比要导入的备份文件大就可以了。
就把这一条加上就可以了，我这个也是片面的，可以参照下
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