Hi gadiyona 

1.  

1)Open file \CuteSoft_Client\CuteChat\Channel.aspx

2)Find section below

<select style="vertical-align:middle;" onchange="SetFontName(this.value)">

<option value="">[[UI_Font]]</option>

<option value="Arial">Arial</option>

<option value="Verdana">Verdana</option>

<option value="Courier">Courier</option>

<option value="Impact">Impact</option>

<option value="Georgia">Georgia</option>

<option value="Comic Sans MS">Comic Sans MS</option>

</select>

3)Add the font name item in the select dropdown list, like

<select style="vertical-align:middle;" onchange="SetFontName(this.value)">

<option value="">[[UI_Font]]</option>

<option value="Arial">Arial</option>

<option value="Verdana">Verdana</option>

<option value="Courier">Courier</option>

<option value="Impact">Impact</option>

<option value="Georgia">Georgia</option>

<option value="Comic Sans MS">Comic Sans MS</option>

<option value="Lucida Console">Lucida Console</option>

</select>

Regards,

Ken