在inc/html_head.inc里有以下 js <script type="text/javascript">
var thumbWidth=<%=config.TitleImgWidth%>;var thumbHeight=0;
var thumbHWidth=thumbWidth;var thumbHHeight=thumbHeight;
</script>
其中thumbWidth,thumbHeight分別為標題圖片寬高，0表示不限制
thumbHWidth，thumbHHeight為頭條圖片的標題圖片寬高