问无法更改YouTube视频时间格式

EN

var channelName = '2kolf';
var vidWidth = 166;
var vidHeight = 86;
var vidResults = 4;

$ (document).ready(function() {
	$.get(
		"https://www.googleapis.com/youtube/v3/channels",{
			part: 'contentDetails',
			forUsername: channelName,
			key: ''},
		    function(data) {
				$.each(data.items, function(i, item) {
					console.log(item);
					pid = item.contentDetails.relatedPlaylists.uploads;
					getVids(pid);
				})
			}
	);

	function getVids(pid){
		$.get(
		"https://www.googleapis.com/youtube/v3/playlistItems",{
			part: 'snippet',
			maxResults: vidResults,
			playlistId: pid,
			key: ''},
			function(data) {
				var output;
				$.each(data.items, function(i, item) {
					console.log(item);
                    videoTitle = item.snippet.title.replace("Season 8 - ", "");
					videoId = item.snippet.resourceId.videoId;
					videoThumbnails = item.snippet.thumbnails.medium.url;
					videoPublished = item.snippet.publishedAt;//This is to show the date published//
					videoAuthor = item.snippet.channelTitle.replace("2kOLF", "2K Online Franchise");
					videoStats = item.snippet.statistics;
										
output = '<li class="YouTubeVideos"><a class="various fancybox.iframe" title="'+videoTitle+'" href=\"//www.youtube.com/embed/'+videoId+'\?fs=1&autoplay=1"><img height="'+vidHeight+'" width="'+vidWidth+'" src='+videoThumbnails+' ></a><br><p>'+videoTitle+'</p><br><span style="font-weight: normal;">by '+videoAuthor+'<br>'+videoPublished+'</span></li>';
					
					//Append to results listStyleType
					$('#results').append(output);
				})
			}
	);
	}
});