diff --git a/demo/pc/card.html b/demo/pc/card.html
index 6cae640..de71cf3 100644
--- a/demo/pc/card.html
+++ b/demo/pc/card.html
@@ -403,11 +403,10 @@
 <fieldset class="layui-elem-field layui-field-title">
     <legend>文件预览卡片</legend>
     <div class="layui-field-box">
-        <blockquote class="layui-elem-quote">注意：需要引入font awesome 字体文件</blockquote>
+        <blockquote class="layui-elem-quote">注意：需要引入font awesome 字体文件，但也可以使用任何其他的字体文件或图片。只不过使用图片的话，内置的文件类型的图标颜色就不能用了</blockquote>
         <div class="demo-js-src" style="display: block;">
             <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" />
             {volist name='[
-            "file",
             "excel",
             "zip",
             "word",