古吉拉特语字体显示方形和问号，如何删除这些特殊字符？

When I'm fetching rows from database, it's showing like below image

enter image description here

You are showing raw, set meta UTF-8 in your webpage for showing it

<head> <meta charset="UTF-8"> 

@font-face {
    font-family: gujarati;
    src: url(gujarati_location.woff);
}