diff --git a/bookings.php b/bookings.php
index d501be7..849a98b 100644
--- a/bookings.php
+++ b/bookings.php
@@ -28,7 +28,7 @@ if (isset($_POST['action']) && isset($_POST['booking_id'])) {
         } elseif ($action == 'update_notes' && isset($_POST['notes_content'])) {
             // 更新客服备注
             $notes_content = $_POST['notes_content'];
-            $stmt = $conn->prepare("UPDATE bookings SET custom_services = ? WHERE id = ?");
+            $stmt = $pdo->prepare("UPDATE bookings SET custom_services = ? WHERE id = ?");
             $stmt->execute([$notes_content, $booking_id]);
             echo 'success';
             exit();
@@ -230,13 +230,13 @@ try {
                             <div class="package-description">
                                 <span class="detail-label">客服备注：</span>
                                 <span><?php echo htmlspecialchars($booking['custom_services']); ?></span>
-                                <button type="button" class="btn btn-sm btn-secondary" onclick="openEditNotesModal(<?php echo $booking['id']; ?>, '<?php echo addslashes(htmlspecialchars($booking['custom_services'])); ?>')" style="margin-left: 10px;">修改</button>
+                                <button type="button" class="btn btn-sm btn-secondary" onclick="openEditNotesModal(<?php echo $booking['id']; ?>, '<?php echo htmlspecialchars($booking['custom_services']); ?>')" style="margin-left: 10px;">修改</button>
                             </div>
                         <?php else: ?>
                             <div class="package-description">
                                 <span class="detail-label">客服备注：</span>
                                 <span style="color: #999;">无</span>
-                                <button type="button" class="btn btn-sm btn-secondary" onclick="openEditNotesModal(<?php echo $booking['id']; ?>, '')" style="margin-left: 10px;">添加</button>
+                                <button type="button" class="btn btn-sm btn-secondary" onclick="openEditNotesModal(<?php echo $booking['id']; ?>, '<?php echo htmlspecialchars($booking['custom_services']); ?>')" style="margin-left: 10px;">添加</button>
                             </div>
                         <?php endif; ?>