diff --git a/uacheck/index.php b/uacheck/index.php
new file mode 100644
index 0000000..2e3a045
--- /dev/null
+++ b/uacheck/index.php
@@ -0,0 +1,82 @@
+<?php
+$userAgent = $_SERVER['HTTP_USER_AGENT'];
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>User-Agent Display</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 20px;
+            padding: 20px;
+            background-color: #f0f0f0;
+        }
+
+        .user-agent {
+            background-color: #fff;
+            border: 1px solid #ddd;
+            padding: 20px;
+            margin-bottom: 20px;
+            border-radius: 5px;
+            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+        }
+
+        .title {
+            color: #333;
+        }
+
+        @media (min-width: 1200px) {
+            .user-agent {
+                max-width: 800px;
+                margin: 20px auto;
+            }
+
+            .title {
+                font-size: 24px;
+            }
+        }
+    </style>
+</head>
+<body>
+<div class="user-agent" id="php-user-agent">
+    <h2 class="title">服务器端 User-Agent:</h2>
+    <p><?php echo htmlspecialchars($userAgent); ?></p>
+</div>
+<div class="user-agent" id="js-user-agent">
+    <h2 class="title">用户端 User-Agent:</h2>
+    <p></p>
+</div>
+<div class="user-agent" id="ua2f-status">
+    <h2 class="title">UA2F 状态:</h2>
+    <p></p>
+</div>
+<script>
+    document.getElementById('js-user-agent').querySelector('p').textContent = navigator.userAgent;
+
+    // Compare server-side and client-side User-Agents
+    const serverUA = document.getElementById('php-user-agent').querySelector('p').textContent;
+    const clientUA = navigator.userAgent;
+    const ua2fStatusText = serverUA === clientUA ? "未工作" : "正常工作";
+    document.getElementById('ua2f-status').querySelector('p').textContent = ua2fStatusText;
+
+    if (window.location.protocol === 'https:') {
+        document.querySelectorAll('.user-agent').forEach(function(element) {
+            element.style.display = 'none';
+        });
+
+        // 创建并显示消息
+        var messageDiv = document.createElement('div');
+        messageDiv.textContent = '此网页无法在 https 下正常工作';
+        messageDiv.style.padding = '20px';
+        messageDiv.style.marginTop = '20px';
+        messageDiv.style.backgroundColor = '#ffcccc';
+        messageDiv.style.textAlign = 'center';
+        messageDiv.style.border = '1px solid #ffaaaa';
+        document.body.appendChild(messageDiv);
+    }
+</script>
+</body>
+</html>
\ No newline at end of file
