diff --git a/functions.php b/functions.php
index ad497a0..74b2635 100644
--- a/functions.php
+++ b/functions.php
@@ -339,8 +339,8 @@ function themeConfig($form)
         NULL,
         '自定义网站字体（非必填）',
         '介绍：用于修改全站字体，填写则使用引入的字体，不填写使用默认字体 <br>
-         格式：字体URL链接 <br>
-         注意：由于体积文件较大，建议使用cdn链接方式进行引入'
+         格式：字体URL链接（推荐使用woff格式的字体，网页专用字体格式） <br>
+         注意：字体文件一般有几兆，建议使用cdn链接'
     );
     $JCustomFont->setAttribute('class', 'joe_content joe_global');
     $form->addInput($JCustomFont);
diff --git a/public/config.php b/public/config.php
index 8d15a02..dd0c7fd 100644
--- a/public/config.php
+++ b/public/config.php
@@ -29,18 +29,12 @@
     detectIE() && (alert('当前站点不支持IE浏览器或您开启了兼容模式，请使用其他浏览器访问或关闭兼容模式。'), (location.href = 'https://www.baidu.com'))
 </script>
 <?php
-$format = null;
-if (strpos($this->options->JCustomFont, 'woff2') !== false) {
-    $format = 'woff2';
-} elseif (strpos($this->options->JCustomFont, 'woff') !== false) {
-    $format = 'woff';
-} elseif (strpos($this->options->JCustomFont, 'ttf') !== false) {
-    $format = 'truetype';
-} elseif (strpos($this->options->JCustomFont, 'eot') !== false) {
-    $format = 'embedded-opentype';
-} elseif (strpos($this->options->JCustomFont, 'svg') !== false) {
-    $format = 'svg';
-}
+$fontUrl = $this->options->JCustomFont;
+if (strpos($fontUrl, 'woff2') !== false) $fontFormat = 'woff2';
+elseif (strpos($fontUrl, 'woff') !== false) $fontFormat = 'woff';
+elseif (strpos($fontUrl, 'ttf') !== false) $fontFormat = 'truetype';
+elseif (strpos($fontUrl, 'eot') !== false) $fontFormat = 'embedded-opentype';
+elseif (strpos($fontUrl, 'svg') !== false) $fontFormat = 'svg';
 ?>
 <style>
     @font-face {
@@ -48,12 +42,13 @@ if (strpos($this->options->JCustomFont, 'woff2') !== false) {
         font-weight: 400;
         font-style: normal;
         font-display: swap;
-        src: url('<?php $this->options->JCustomFont() ?>');
-        <?php if ($format) echo "src: url('{$this->options->JCustomFont}') fromat('{$format}');" ?>
+        src: url('<?php echo $fontUrl ?>');
+        <?php if ($fontFormat) : ?>src: url('<?php echo $fontUrl ?>') format('<?php echo $fontFormat ?>');
+        <?php endif; ?>
     }
 
     body {
-        <?php if ($this->options->JCustomFont) : ?>font-family: 'Joe Font';
+        <?php if ($fontUrl) : ?>font-family: 'Joe Font';
         <?php else : ?>font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
         <?php endif; ?>
     }