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我这边是`8.0.22`版本。打了断点看了下，`MySQL`报错`Client does not support authentication protocol requested by server; consider upgrading MySQL client`。 因为`MySQL8.0`之后，`PLUGIN_AUTH`默认是`caching_sha2_password`。 我把`PLUGIN_AUTH`改成`mysql_native_password`就能正常访问了。 ``` sql ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456'; ```