diff --git a/Admin/admin_page.php b/Admin/admin_page.php
index a72a169c25770732021eddbf4fd502288d2317b9..8b91d371ea6ca0be7b4b6e0cda51689a4e04f0fe 100644
--- a/Admin/admin_page.php
+++ b/Admin/admin_page.php
@@ -27,6 +27,7 @@ if (!isset($_SESSION['user_type'])) {
             <li><a href="#" data-src="user_manage.php" class="block px-5 py-3 hover:bg-gray-700">Manage user detail</a></li>
             <li><a href="#" data-src="brs_manage.php" class="block px-5 py-3 hover:bg-gray-700">Manage Bristol Map</a></li>
             <li><a href="#" data-src="QA_manage.php" class="block px-5 py-3 hover:bg-gray-700">Question and answer management</a></li>
+            <li><a href="#" data-src="fb_manage.php" class="block px-5 py-3 hover:bg-gray-700">Feeddback management</a></li>
         </ul>
     </div>
     <!-- 主内容区 -->
diff --git a/Admin/fb_manage.php b/Admin/fb_manage.php
new file mode 100644
index 0000000000000000000000000000000000000000..337f4e7ae35c4848c4f2d9ce7725ad23452bf5ac
--- /dev/null
+++ b/Admin/fb_manage.php
@@ -0,0 +1,86 @@
+<?php
+include_once '../Logic/config.php';
+// 准备SQL查询
+$stmt = DB->prepare("SELECT * FROM feedback");
+$stmt->execute();
+$feedbacks = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+function deleteFeedback($id)
+{
+    $sql = "DELETE FROM feedback WHERE id = ?";
+    $stmt = DB->prepare($sql);
+    return $stmt->execute([$id]);
+}
+
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+
+    // 处理表单提交的数据
+    if ($_POST["formType"] == "delFeedbackForm") {
+        $id = $_POST['id'];
+
+        deleteFeedback($id);
+        echo "<script>window.location.href ='../Admin/fb_manage.php';</script>";
+    }
+
+}
+?>
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Uni-building Management</title>
+    <link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
+</head>
+<body class="bg-gray-100">
+<div class="container mx-auto p-4">
+    <table class="min-w-full max-w-4xl mx-auto border-collapse">
+        <thead class="bg-gray-800 text-white">
+        <tr class="border-b">
+            <th class="px-4 py-2 text-left rounded-tl-lg">Student ID</th>
+            <th class="px-4 py-2 text-left">Feedback</th>
+            <th class="px-4 py-2 text-left rounded-tr-lg">Operations</th>
+        </tr>
+        </thead>
+        <tbody>
+        <?php foreach ($feedbacks as $feedback) { ?>
+            <tr class="border-b">
+                <td class="px-4 py-2"><?php echo htmlspecialchars($feedback['id']) ?></td>
+                <td class="px-4 py-2"><?php echo htmlspecialchars($feedback['feedback']) ?></td>
+                <td class="px-4 py-2 text-center">
+                    <!-- 删除按钮 -->
+                    <form action="../Admin/fb_manage.php" method="post">
+                        <input type="hidden" name="id"
+                               value="<?php echo htmlspecialchars($feedback['id']) ?>">
+                        <input type="hidden" name="formType" value="delFeedbackForm">
+                        <button type="submit" class="text-red-500 hover:text-red-700 mx-2">
+                            <i class="fas fa-trash-alt"></i>
+                        </button>
+                    </form>
+                </td>
+            </tr>
+        <?php } ?>
+        </tbody>
+    </table>
+</div>
+
+<!-- 弹出框,初始时隐藏 -->
+<div id="modal"
+     class="hidden fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full flex items-center justify-center">
+    <div class="bg-white p-10 rounded-lg shadow-lg max-w-2xl w-full mx-auto" id="modal-content">
+        <!-- 弹出框内容 -->
+    </div>
+</div>
+
+<div class="fixed bottom-0 right-0 p-4">
+    <button onclick="window.location.reload()"
+            class="px-4 py-2 bg-gray-800 text-white rounded-md shadow-md hover:bg-gray-900 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-opacity-50">
+        <i class="fas fa-sync-alt mr-2"></i>
+    </button>
+</div>
+</body>
+</html>
+
+
diff --git a/Admin/uni_manage.php b/Admin/uni_manage.php
index d9ee7bc425e6096a5174cdbab3ef9cc1201dc801..6f750842d675da5e410ec4ef845957e53e1b1dd3 100644
--- a/Admin/uni_manage.php
+++ b/Admin/uni_manage.php
@@ -48,7 +48,6 @@ function addBuilding($openTime, $latitude, $longtitude, $description, $buildingN
         exit;
     }
 
-    //在数据库中创建新用户
     $sql = "INSERT INTO building(openTime, `data-lat`, `data-lng`, description, name) VALUES (?, ?, ?, ?, ?)";
     $stmt = DB->prepare($sql);
     return $stmt->execute([$openTime, $latitude, $longtitude, $description, $buildingName]);
diff --git a/Presentation/interface.php b/Presentation/interface.php
index 6603b68c6ce92d43ce508d3dbfba871ec82fe2eb..2694d84d5cb0249722d9e99cb3313367ef915136 100644
--- a/Presentation/interface.php
+++ b/Presentation/interface.php
@@ -1,4 +1,21 @@
-<?php require_once '../Logic/session_start.php'; ?>
+<?php
+require_once '../Logic/session_start.php';
+require_once '../Logic/config.php';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    if ($_POST["formType"] == "feedbackForm") {
+        $student_id = $_SESSION['user_id'];
+        $feedback = $_POST['questions'];
+
+        $sql = "INSERT INTO feedback(student_id, feedback) VALUES (?, ?)";
+        $stmt = DB->prepare($sql);
+        $stmt->execute([$student_id, $feedback]);
+
+        echo "<script>alert('Thank you for your feedback!');</script>";
+    }
+
+}
+?>
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -22,6 +39,7 @@
     <div id="sidebar">
         <a href="#" class="sidebar-item" target="contentFrame" data-src="map.php">Around Frenchay Campus</a>
         <a href="#" class="sidebar-item" target="contentFrame" data-src="city.php">Around Bristol</a>
+        <a href="#" class="sidebar-item" target="contentFrame" data-src="chatbotpage.php">Ask Chat bot</a>
         <a href="#" class="sidebar-item" target="contentFrame" data-src="chatPage.php">Campus Voices</a>
         <a href="#" class="sidebar-item" target="contentFrame" data-src="settings.php">User Profile</a>
         <?php
@@ -29,14 +47,35 @@
             echo '<a href="../Admin/admin_page.php" class="sidebar-item" target="contentFrame">Admin Page</a>';
         }
         ?>
+<!--        feedback button-->
+        <button id="emailButton" class="bg-grey-500 p-4 rounded-full text-white">
+            <i class="fas fa-envelope"></i>
+        </button>
     </div>
 
     <div id="chatContainer">
         <iframe id="contentFrame" src="chatbotpage.php" style="width: 100%; height: 100%; border: none;"></iframe>
     </div>
+</div>
 
+<!--模态框-->
+<div id="emailModal" class="fixed inset-0 bg-gray-600 bg-opacity-50 hidden justify-center items-center" style="display: none;">
+    <div class="bg-white p-4 rounded-lg shadow-lg w-1/3">
+        <form id="emailForm" method="post" action="interface.php">
+            <input type="hidden" name="formType" value="feedbackForm">
+            <input type="hidden" name="id" value="<?php echo $_SESSION['user_id'] ?>">
+            <div class="mb-4">
+                <label for="userEmail" class="block text-gray-700 text-sm font-bold mb-2">Your Requirements:</label>
+                <textarea id="questions" name="questions" class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:shadow-outline" required></textarea>
+            </div>
+            <button type="submit" class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded focus:outline-none focus:shadow-outline">
+                Submit
+            </button>
+        </form>
+    </div>
 </div>
 
+
 <script>
     document.querySelectorAll('a').forEach(link => {
         link.addEventListener('click', function(event) {
@@ -46,6 +85,30 @@
             }
         });
     });
+
+    document.getElementById('emailButton').addEventListener('click', function() {
+        document.getElementById('emailModal').style.display = 'flex'; // 显示模态框
+    });
+
+    document.getElementById('emailForm').addEventListener('submit', function(event) {
+        // event.preventDefault();
+        // 这里可以添加发送邮件的JavaScript逻辑
+        document.getElementById('emailModal').style.display = 'none'; // 隐藏模态框
+        // 可选:在这里处理表单数据
+    });
+
+    // 添加点击模态框背景关闭模态框的逻辑
+    document.getElementById('emailModal').addEventListener('click', function(event) {
+        // 检查点击事件是否在模态框背景上发生
+        if (event.target === this) {
+            this.style.display = 'none'; // 隐藏模态框
+        }
+    });
+
+    // 阻止模态框内容区域的点击事件冒泡到背景层
+    document.querySelector('#emailModal > div').addEventListener('click', function(event) {
+        event.stopPropagation();
+    });
 </script>
 </body>
 </html>