該字體適用于波斯字符，但我希望使用普通字體而不是我設置的字體正常渲染英語和其他字符。代碼：    $pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);    $pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);    $lg = Array();    $lg['a_meta_charset'] = 'UTF-8';    $lg['a_meta_dir'] = 'rtl';    $lg['a_meta_language'] = 'fa';    $lg['w_page'] = 'page';    $pdf->setLanguageArray($lg);    $fontname = TCPDF_FONTS::addTTFfont(storage_path('bnazanin.ttf'), 'TrueTypeUnicode', '', 96);    $pdf->SetFont($fontname);    $pdf->AddPage();    $htmlpersian = '<span color="#660000">Persian example:</span><br />???? ??????? ???? PDF ????? ?? ??? ???? ?? ??. ???? ?? ?????.<br />???? ??? \"?\" ?? ???? ????? ????? ???? ???? ??? ?? ??? ??.<br />????? ???? ??? ? ??? ??? ?? ?? ??? ????? ??.<br />?? ???? ??  "Asuni Nicola" ? ???? ??? ?? ??? ???? ???????? ???? ?????.';    $pdf->WriteHTML($htmlpersian, true, 0, true, 0);    $pdf->setRTL(false);    $pdf->Ln();        $pdf->Output('example.pdf', 'I');