diff --git a/app.php b/app.php
index 0be4490..a0d2e3e 100644
--- a/app.php
+++ b/app.php
@@ -180,18 +180,22 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['rating'])) {
                 <h1><?php echo $app['name']; ?></h1>
                 <p class="lead"><?php echo $app['description']; ?></p>
                 <p>年龄分级: <?php echo $app['age_rating']; ?></p>
-    <?php if (!empty($app['age_rating_description'])): ?>
-    <div class="age-rating-description">
-        <h4>年龄分级说明</h4>
-        <p><?php echo nl2br(htmlspecialchars($app['age_rating_description'])); ?></p>
-    </div>
-    <?php endif; ?>
+                <?php if (!empty($app['age_rating_description'])): ?>
+                <div class="age-rating-description">
+                    <h4>年龄分级说明</h4>
+                    <p><?php echo nl2br(htmlspecialchars($app['age_rating_description'])); ?></p>
+                </div>
+                <?php endif; ?>
                 <p>适用平台: <?php
                     $platforms = json_decode($app['platforms'], true) ?? [];
                     $platformIcons = [
                         'windows' => '<i class="fab fa-windows"></i>',
+                        'windows_win7' => '<i class="fab fa-windows"></i>',
+                        'windows_xp' => '<i class="fab fa-windows"></i>',
                         'macos' => '<i class="fab fa-apple"></i>',
                         'linux' => '<i class="fab fa-linux"></i>',
+                        'linux_arch' => '<i class="fab fa-linux"></i>',
+                        'linux_ubuntu' => '<i class="fab fa-linux"></i>',
                         'android' => '<i class="fab fa-android"></i>',
                         'ios' => '<i class="fab fa-app-store-ios"></i>'
                     ];
diff --git a/developer/upload_app.php b/developer/upload_app.php
index eac9273..3048964 100644
--- a/developer/upload_app.php
+++ b/developer/upload_app.php
@@ -215,6 +215,7 @@ if (!($conn instanceof mysqli)) {
                 $mail->addAddress(ADMIN_EMAIL);
                 
                 $mail->isHTML(false);
+                $mail->CharSet = 'utf-8';
                 $mail->Subject = $subject;
                 $mail->Body    = $body;
                 
diff --git a/index.php b/index.php
index d4e4549..51dd733 100644
--- a/index.php
+++ b/index.php
@@ -73,6 +73,9 @@ if (!isset($conn) || !$conn instanceof mysqli) {
                         <a class="nav-link" href="developer/login.php">开发者登录</a>
                     </li>
                     <?php endif; ?>
+                    <li class="nav-item">
+                        <a class="nav-link" href="thanks.php">鸣谢</a>
+                    </li>
                 </ul>
             </div>
         </div>
diff --git a/thanks.php b/thanks.php
new file mode 100644
index 0000000..39bd5bb
--- /dev/null
+++ b/thanks.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * 鸣谢页面
+ */
+require_once 'config.php';
+?>
+<style>
+.navbar.scrolled {
+    background-color: rgba(255, 255, 255, 0.95) !important;
+    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+}
+</style>
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>鸣谢页面</title>
+    <link rel="stylesheet" href="css/all.min.css">
+    <link rel="stylesheet" href="/css/bootstrap.min.css">
+</head>
+<body>
+<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
+    <div class="container">
+        <a class="navbar-brand" href="index.php"><?php echo APP_STORE_NAME; ?></a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarNav">
+            <ul class="navbar-nav">
+                <li class="nav-item">
+                    <a class="nav-link" href="index.php">首页</a>
+                </li>
+            </ul>
+        </div>
+    </div>
+</nav>
+    <h1>鸣谢</h1>
+    <ul>
+        <li><a href="/developer_apps.php?id=2">JGZ_YES</a>：制作LeonAPP客户端应用，帮助转载许多APP。</li>
+    </ul>
+    <script src="/js/bootstrap.bundle.js"></script>
+</body>
+</html>
\ No newline at end of file
