fix: 更新配置文件和修复下载按钮布局

更新数据库、SMTP和管理员的密码配置
调整版本列表页面下载按钮的布局，将文件大小信息合并到按钮文本中

version_list.php

@@ -124,7 +124,8 @@ while ($row = $result->fetch_assoc()) {
                                 <p class="card-text"><?php echo nl2br(htmlspecialchars($version['changelog'])); ?></p>
                                 <button class="btn btn-outline-secondary mt-2" onclick="toggleFavorite(<?php echo $appId; ?>, '<?php echo addslashes(htmlspecialchars($app['name'])); ?>')">收藏</button>
                             </div>
-                            <div class="card-footer bg-transparent d-flex justify-content-between align-items-center">                                <a href="<?php echo htmlspecialchars($version['file_path']); ?>" class="btn btn-primary" download>下载</a>                                <small class="text-muted">文件大小: <?php echo $fileSize; ?></small>                            </div>
+                            <div class="card-footer bg-transparent d-flex justify-content-between align-items-center">
+                            <a href="<?php echo htmlspecialchars($version['file_path']); ?>" class="btn btn-primary" download>下载（大小：<?php echo $fileSize; ?>)</a>
                         </div>
                     </div>
                 <?php endforeach; ?>