You can use the popover event, and control the width by attribute 'data-width'
$('[data-toggle="popover-huongdan"]').popover({ html: true });_x000D_
$('[data-toggle="popover-huongdan"]').on("shown.bs.popover", function () {_x000D_
var width = $(this).attr("data-width") == undefined ? 276 : parseInt($(this).attr("data-width"));_x000D_
$("div[id^=popover]").css("max-width", width);_x000D_
});
_x000D_
<a class="position-absolute" href="javascript:void(0);" data-toggle="popover-huongdan" data-trigger="hover" data-width="500" title="title-popover" data-content="html-content-code">_x000D_
<i class="far fa-question-circle"></i>_x000D_
</a>
_x000D_