diff --git a/web/include/config.php b/web/include/config.php
new file mode 100644
index 00000000..7dd230a0
--- /dev/null
+++ b/web/include/config.php
@@ -0,0 +1,5 @@
+<?php
+return [
+    'font-size' => '11',
+    'line-height' => '200',
+];
diff --git a/web/include/toolbar.php b/web/include/toolbar.php
new file mode 100644
index 00000000..15de36fa
--- /dev/null
+++ b/web/include/toolbar.php
@@ -0,0 +1,14 @@
+<?php
+$config = include ROOT_PATH . '/include/config.php';
+?>
+
+<p style="height: 36px">
+    风格:
+    <?php include ROOT_PATH . '/include/style.php'; ?>
+    字体:
+    <?php include ROOT_PATH . '/include/font.php'; ?>
+    字体尺寸:
+    <input id="inputFontSize" type="number" step="1" value="<?= $config['font-size'] ?>" style="width: 40px;"/>
+    行高 (%):
+    <input id="lineHeight" type="number" step="10" value="<?= $config['line-height'] ?>" style="width: 50px;"/>
+</p>
diff --git a/web/public/input.php b/web/public/input.php
index 86802ccb..d87ee730 100644
--- a/web/public/input.php
+++ b/web/public/input.php
@@ -33,16 +33,7 @@
 <?php
 define('ROOT_PATH', dirname(__DIR__));
 ?>
-<p style="height: 36px">
-    风格:
-    <?php include ROOT_PATH . '/include/style.php'; ?>
-    字体:
-    <?php include ROOT_PATH . '/include/font.php'; ?>
-    字体尺寸:
-    <input id="inputFontSize" type="number" step="1" value="12" style="width: 40px;"/>
-    行高 (%):
-    <input id="lineHeight" type="number" step="10" value="200" style="width: 50px;"/>
-</p>
+<?php include ROOT_PATH . '/include/toolbar.php'; ?>
 
 <div id="divCodeWrapper">
     <pre><code style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" class="lineNumbers"></code></pre>
diff --git a/web/public/output.php b/web/public/output.php
index 3aca59b0..91b78942 100644
--- a/web/public/output.php
+++ b/web/public/output.php
@@ -33,16 +33,8 @@
 <?php
 define('ROOT_PATH', dirname(__DIR__));
 ?>
-<p style="height: 36px">
-    风格:
-    <?php include ROOT_PATH . '/include/style.php'; ?>
-    字体:
-    <?php include ROOT_PATH . '/include/font.php'; ?>
-    字体尺寸:
-    <input id="inputFontSize" type="number" step="1" value="12" style="width: 40px;"/>
-    行高 (%):
-    <input id="lineHeight" type="number" step="10" value="200" style="width: 50px;"/>
-</p>
+
+<?php include ROOT_PATH . '/include/toolbar.php'; ?>
 
 <div id="divCodeWrapper">
     <pre><code style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" class="lineNumbers"></code></pre>