linkpi_firmware_history/rootfs/link/webflex/assets/css/language.css

[data-bs-language=cn] cn {
    display: inline;
}
[data-bs-language=cn] en {
    display: none;
}

[data-bs-language=en] cn {
    display: none;
}
[data-bs-language=en] en {
    display: inline;
}