diff --git a/controllers/UserController.php b/controllers/UserController.php
index 5b5765a..62a143e 100644
--- a/controllers/UserController.php
+++ b/controllers/UserController.php
@@ -346,6 +346,10 @@ class UserController extends Controller
                     if (!is_dir($userFolder)) {
                         mkdir($userFolder);
                     }
+                    $secretFolder = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->id.'.secret';
+                    if (!is_dir($secretFolder)) {
+                        mkdir($secretFolder);
+                    }
                     Yii::$app->session->setFlash('success', 'Registration successful. You can now log in.');
                     return $this->redirect(['login']);
                 } else {
@@ -373,8 +377,8 @@ class UserController extends Controller
     public function actionInfo(string $focus = null): Response|string
     {
         $model = Yii::$app->user->identity;
-        $usedSpace = FileSizeHelper::getDirectorySize(Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id);
-        $vaultUsedSpace = 0;  // 保险箱已用空间，暂时为0
+        $usedSpace = FileSizeHelper::getUserHomeDirSize();
+        $vaultUsedSpace = FileSizeHelper::getUserVaultDirSize();
         $storageLimit = $model->storage_limit;
         $totp_secret = null;
         $totp_url = null;
diff --git a/controllers/VaultController.php b/controllers/VaultController.php
new file mode 100644
index 0000000..c9fd156
--- /dev/null
+++ b/controllers/VaultController.php
@@ -0,0 +1,243 @@
+<?php
+/*
+ * 保险箱设计: 仅文件上传下载及删除，不支持文件夹
+ * 有些文件管理的代码迁移过来没删干净，这个忽略一下
+ */
+
+namespace app\controllers;
+
+use app\models\UploadForm;
+use app\utils\FileSizeHelper;
+use app\utils\FileTypeDetector;
+use Yii;
+use yii\filters\AccessControl;
+use yii\filters\VerbFilter;
+use yii\web\Controller;
+use yii\web\NotFoundHttpException;
+use yii\web\Response;
+use yii\web\UploadedFile;
+
+class VaultController extends Controller
+{
+    protected string $pattern = '/^[^\p{C}:*?"<>|\\\\]+$/u';
+
+    public function behaviors(): array
+    {
+        return array_merge(
+            parent::behaviors(),
+            [
+                'access' => [
+                    'class' => AccessControl::class,
+                    'rules' => [
+                        [
+                            'allow' => true,
+                            'actions' => ['index', 'download', 'delete', 'upload'],
+                            'roles' => ['user'],
+                        ],
+                    ],
+                ],
+                'verbs' => [
+                    'class' => VerbFilter::class,
+                    'actions' => [
+                        'index' => ['GET'],
+                        'download' => ['GET'],
+                        'delete' => ['POST'],
+                        'upload' => ['POST'],
+                    ],
+                ],
+            ]
+        );
+    }
+
+    /**
+     * @param null $directory
+     * @return string|Response
+     * @throws NotFoundHttpException
+     */
+    public function actionIndex($directory = null): Response|string
+    {
+        $model = Yii::$app->user->identity;
+
+        $rootDataDirectory = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret';
+
+        if ($directory === '.' || $directory == null) {
+            $directory = null;
+            $parentDirectory = null;
+        } elseif (str_contains($directory, '..')) {
+            throw new NotFoundHttpException('Invalid directory.');
+        } else {
+            $parentDirectory = dirname($directory);
+        }
+        $directoryContents = $this->getDirectoryContents(join(DIRECTORY_SEPARATOR, [$rootDataDirectory, $directory ?: '.']));
+        foreach ($directoryContents as $key => $item) {
+            $relativePath = $directory ? $directory . '/' . $item : $item;
+            $absolutePath = Yii::getAlias('@app') . '/data/' . Yii::$app->user->id . '.secret/' . $relativePath;
+            $type = FileTypeDetector::detect($absolutePath);
+            $lastModified = filemtime($absolutePath);
+            $size = is_file($absolutePath) ? filesize($absolutePath) : null;
+            $rawType = is_file($absolutePath) ? mime_content_type($absolutePath) : null;
+            $directoryContents[$key] = ['name' => $item, 'type' => $type, 'lastModified' => $lastModified, 'size' => $size, 'rawType' => $rawType];
+        }
+        $usedSpace = FileSizeHelper::getUserHomeDirSize();
+        $vaultUsedSpace = FileSizeHelper::getUserVaultDirSize();  // 保险箱已用空间，暂时为0
+        $storageLimit = $model->storage_limit;
+        return $this->render('index', [
+            'directoryContents' => $directoryContents,
+            'parentDirectory' => $parentDirectory,
+            'directory' => $directory,  // 将$directory传递给视图
+            'usedSpace' => $usedSpace, // B
+            'vaultUsedSpace' => $vaultUsedSpace, // B
+            'storageLimit' => $storageLimit, // MB
+        ]);
+    }
+
+    /**
+     * 获取指定路径下的文件和文件夹内容
+     * @param string $path 路径
+     * @return array 文件和文件夹内容数组
+     * @throws NotFoundHttpException 如果路径不存在
+     */
+    protected function getDirectoryContents(string $path): array
+    {
+        // 确定路径是否存在
+        if (!is_dir($path)) {
+            throw new NotFoundHttpException('Directory not found.');
+        }
+
+        // 获取路径下的所有文件和文件夹
+        $directoryContents = scandir($path);
+
+        // 移除 '.' 和 '..'
+        $directoryContents = array_diff($directoryContents, ['.', '..']);
+
+        // 使用 usort 对目录内容进行排序，使文件夹始终在文件之前
+        usort($directoryContents, function ($a, $b) use ($path) {
+            $aIsDir = is_dir($path . '/' . $a);
+            $bIsDir = is_dir($path . '/' . $b);
+            if ($aIsDir === $bIsDir) {
+                return strnatcasecmp($a, $b); // 如果两者都是文件夹或都是文件，按名称排序
+            }
+            return $aIsDir ? -1 : 1; // 文件夹始终在文件之前
+        });
+
+        return $directoryContents;
+    }
+
+    /**
+     * 下载指定路径下的文件
+     *
+     * @param string $relativePath 文件的相对路径
+     * @throws NotFoundHttpException 如果文件不存在
+     */
+    public function actionDownload(string $relativePath): void
+    {
+        // 对相对路径进行解码
+        $relativePath = rawurldecode($relativePath);
+
+        // 检查相对路径是否只包含允许的字符
+        if (!preg_match($this->pattern, $relativePath) || str_contains($relativePath, '..')) {
+            throw new NotFoundHttpException('Invalid file path.');
+        }
+
+        // 确定文件的绝对路径
+        $absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret/' . $relativePath;
+
+        // 使用realpath函数解析路径，并检查解析后的路径是否在预期的目录中
+        $realPath = realpath($absolutePath);
+        $dataDirectory = str_replace('/', '\\', Yii::getAlias(Yii::$app->params['dataDirectory']));
+        if (!$realPath || !str_starts_with($realPath, $dataDirectory)) {
+            throw new NotFoundHttpException('File not found.');
+        }
+
+        // 检查文件是否存在
+        if (!file_exists($realPath)) {
+            throw new NotFoundHttpException('File not found.');
+        }
+
+        // 将文件发送给用户进行下载
+        Yii::$app->response->sendFile($realPath)->send();
+    }
+
+    /**
+     * 删除文件
+     * @throws NotFoundHttpException 如果文件不存在
+     */
+    public function actionDelete(): Response
+    {
+        $relativePaths = Yii::$app->request->post('relativePath');
+        if (!is_array($relativePaths)) {
+            $relativePaths = [$relativePaths];
+        }
+
+        foreach ($relativePaths as $relativePath) {
+            $relativePath = rawurldecode($relativePath);
+            if (!preg_match($this->pattern, $relativePath) || str_contains($relativePath, '..')) {
+                throw new NotFoundHttpException('Invalid file path.');
+            }
+            $absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret/' . $relativePath;
+            if (!file_exists($absolutePath)) {
+                throw new NotFoundHttpException('File or directory not found.');
+            } else {
+                $realPath = realpath($absolutePath);
+                $expectedPathPrefix = realpath(Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret');
+                if (!str_starts_with($realPath, $expectedPathPrefix)) {
+                    throw new NotFoundHttpException('File or directory not found.');
+                }
+            }
+            if (!unlink($absolutePath)) {
+                Yii::$app->session->setFlash('error', 'Failed to delete file.');
+            } else {
+                Yii::$app->session->setFlash('success', 'File deleted successfully.');
+            }
+        }
+        return $this->redirect(['index', 'directory' => dirname($relativePaths[0])]);
+    }
+
+    /**
+     * 文件上传
+     * 注意,已存在的同名文件会被覆盖
+     *
+     * @return int|Response
+     */
+    public function actionUpload(): Response|int
+    {
+        $model = new UploadForm();
+        $model->targetDir = Yii::$app->request->post('targetDir', '.');
+        $uploadedFiles = UploadedFile::getInstancesByName('files');
+        $successCount = 0;
+        $totalCount = count($uploadedFiles);
+        $sp = Yii::$app->request->post('sp', null);
+
+        foreach ($uploadedFiles as $uploadedFile) {
+            $model->uploadFile = $uploadedFile;
+            if (!preg_match($this->pattern, $model->uploadFile->fullPath) || str_contains($model->uploadFile->fullPath, '..')) {
+                continue;
+            }
+            if (!FileSizeHelper::hasEnoughSpace($model->uploadFile->size)) {
+                continue;
+            }
+            if ($model->upload(1)) {
+                $successCount++;
+            }
+        }
+        if ($sp === 'editSaving') {
+            if ($successCount === $totalCount) {
+                Yii::$app->response->statusCode = 200;
+                return $this->asJson(['status' => 200, 'message' => '文件上传成功']);
+            } else {
+                Yii::$app->response->statusCode = 500;
+                return $this->asJson(['status' => 500, 'message' => '文件上传失败']);
+            }
+        } else {
+            if ($successCount === $totalCount) {
+                Yii::$app->session->setFlash('success', '文件上传成功');
+            } elseif ($successCount > 0) {
+                Yii::$app->session->setFlash('warning', '部分文件上传失败，这可能是用户剩余空间不足导致');
+            } else {
+                Yii::$app->session->setFlash('error', '文件上传失败，这可能是用户剩余空间不足导致');
+            }
+            //返回状态码200
+            return Yii::$app->response->statusCode = 200;
+        }
+    }
+}
\ No newline at end of file
diff --git a/models/UploadForm.php b/models/UploadForm.php
index 02a247e..d15202b 100644
--- a/models/UploadForm.php
+++ b/models/UploadForm.php
@@ -22,7 +22,7 @@ class UploadForm extends Model
         ];
     }
 
-    public function upload(): bool
+    public function upload(int $is_vault_file = 0): bool
     {
         if ($this->validate()) {
             if ($this->targetDir === null) {
@@ -32,6 +32,9 @@ class UploadForm extends Model
                 return false;
             }
             $userHomeDir = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id;
+            if ($is_vault_file == 1) {
+                $userHomeDir .= '.secret';
+            }
             $absolutePath = $userHomeDir . '/' . $this->targetDir;
             if (!is_dir($absolutePath)) {
                 return false;
diff --git a/views/layouts/main.php b/views/layouts/main.php
index 6541128..1b73687 100644
--- a/views/layouts/main.php
+++ b/views/layouts/main.php
@@ -44,10 +44,10 @@ $darkMode = Yii::$app->user->isGuest ? 0 : Yii::$app->user->identity->dark_mode;
         'items' => [
             ['label' => '首页', 'url' => ['/site/index']],
             ['label' => '我的文件', 'url' => ['/home/index']],
+            ['label' => '文件保险箱', 'url' => ['/vault/index']],
             ['label' => '分享管理', 'url' => ['/share/index']],
             ['label' => '文件收集', 'url' => ['/collection/index']],
             ['label' => '个人设置', 'url' => ['/user/info']],
-//            ['label' => '系统设置', 'url' => ['/site/contact']],
 //            ['label' => '应用下载', 'url' => ['/site/contact']],
             Yii::$app->user->isGuest
                 ? ['label' => '登录', 'url' => ['/user/login']]
diff --git a/views/vault/index.php b/views/vault/index.php
new file mode 100644
index 0000000..79d1a30
--- /dev/null
+++ b/views/vault/index.php
@@ -0,0 +1,164 @@
+<?php
+// 文件管理精简版是吗？
+
+/* @var $this yii\web\View */
+/* @var $directoryContents array 文件和文件夹内容数组 */
+/* @var $parentDirectory string 父目录 */
+/* @var $usedSpace int */
+/* @var $vaultUsedSpace int */
+/* @var $storageLimit int */
+
+/* @var $directory string 当前路径 */
+
+use app\utils\FileSizeHelper;
+use yii\bootstrap5\Html;
+use app\assets\FontAwesomeAsset;
+use yii\bootstrap5\Modal;
+use yii\bootstrap5\Progress;
+use yii\helpers\Url;
+use yii\web\JqueryAsset;
+use yii\web\View;
+
+$this->title = '文件保险箱';
+$this->params['breadcrumbs'][] = $this->title;
+$totalUsed_F = FileSizeHelper::formatBytes($usedSpace + $vaultUsedSpace); //总已用空间 格式化文本
+$storageLimit_F = FileSizeHelper::formatMegaBytes($storageLimit); //存储限制 格式化文本
+$is_unlimited = ($storageLimit === -1); //检查是否为无限制容量
+$usedPercent = $is_unlimited ? 0 : round($usedSpace / ($storageLimit * 1024 * 1024) * 100); //网盘已用百分比
+$vaultUsedPercent = $is_unlimited ? 0 : round($vaultUsedSpace / ($storageLimit * 1024 * 1024) * 100); //保险箱已用百分比
+$totalUsedPercent = min(($usedPercent + $vaultUsedPercent), 100); //总已用百分比
+$freeSpace = $is_unlimited ? 'unlimited' : ($storageLimit * 1024 * 1024 - $usedSpace - $vaultUsedSpace); //剩余空间
+FontAwesomeAsset::register($this);
+JqueryAsset::register($this);
+$this->registerCssFile('@web/css/home_style.css');
+?>
+<div class="home-directory">
+    <div class="d-flex justify-content-between align-items-center">
+        <h1><?= Html::encode($this->title) ?></h1>
+        <div>
+            <?= Html::button('下载', ['class' => 'btn btn-outline-primary single-download-btn']) ?>
+            <?= Html::button('删除', ['class' => 'btn btn-outline-danger batch-delete-btn']) ?>
+            <?= Html::button('刷新', ['class' => 'btn btn-outline-primary refresh-btn']) ?>
+            <div class="dropdown d-inline-block">
+                <button class="btn btn-primary dropdown-toggle" type="button" id="dropdownMenuButton"
+                        data-bs-toggle="dropdown" aria-expanded="false">
+                    <i class="fa-solid fa-arrow-up-from-bracket"></i> 上传文件
+                </button>
+                <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton" style="z-index: 1080;">
+                    <li hidden>
+                        <input type="file" id="file-input" name="uploadFile" multiple>
+                        <input type="file" id="folder-input" name="uploadFile" multiple webkitdirectory>
+                        <input type="hidden" name="targetDir" value="<?= $directory ?>" id="target-dir">
+                    </li>
+                    <li><?= Html::button('上传文件', ['class' => 'dropdown-item file-upload-btn']) ?></li>
+                    <!--                上传文件功能将会覆盖已存在的同名文件，这点请注意-->
+                </ul>
+            </div>
+            <button type="button" class="btn btn-primary" data-bs-toggle="popover" data-bs-title="容量使用情况"
+                    data-bs-placement="bottom"
+                    data-bs-content="已用:<?= $totalUsed_F ?>/ <?= $storageLimit_F ?><?= $freeSpace == 'unlimited' ? '' : ($freeSpace <= 0 ? ' 容量超限,功能受限' : '') ?>">
+                <i
+                        class="fa-solid fa-info"></i>
+            </button>
+        </div>
+    </div>
+
+    <!--上传进度条-->
+    <?php
+    echo Progress::widget([
+        'percent' => 0,
+        'barOptions' => ['class' => ['bg-success', 'progress-bar-animated', 'progress-bar-striped']],
+        'label' => '123', //NMD 不是说可选吗
+        'options' => ['style' => 'display: none;margin-top: 10px;', 'id' => 'progress-bar']
+    ]);
+    ?>
+
+    <nav aria-label="breadcrumb">
+        <ol class="breadcrumb">
+            <?= Html::a('<i class="fa-solid fa-house"></i> HOME', ['vault/index'], ['class' => 'breadcrumb-item']) ?>
+            <?php if ($directory !== null): ?>
+                <?php
+                $parts = explode('/', $directory);
+                $path = '';
+                $lastIndex = count($parts) - 1;
+                foreach ($parts as $index => $part):
+                    $path .= $part;
+                    $class = $index === $lastIndex ? 'breadcrumb-item active' : 'breadcrumb-item';
+                    echo Html::a($part, ['vault/index', 'directory' => $path], ['class' => $class]);
+                    $path .= '/';
+                endforeach;
+                ?>
+            <?php endif; ?>
+        </ol>
+    </nav>
+    <div class="dropdown" id="contextMenu" style="display: none;position: absolute">
+        <ul class="dropdown-menu shadow" aria-labelledby="dropdownMenuButton" id="contextMenu-content">
+            <li><a class="dropdown-item" id="option-download" href="#">下载</a></li>
+            <li><a class="dropdown-item" id="option-batch-delete" href="#">删除</a></li>
+            <li><a class="dropdown-item" id="option-refresh" href="#">刷新</a></li>
+        </ul>
+    </div>
+    <table class="table table-hover" id="drop-area">
+        <thead>
+        <tr>
+            <th scope="col" class="selector-col"><label for="select-all" hidden></label><input type="checkbox"
+                                                                                               id="select-all"></th>
+            <th scope="col" class="name-col">名称</th>
+            <th scope="col" class="modified-col">最近修改时间</th>
+            <th scope="col" class="size-col">大小</th>
+            <th scope="col" class="action-col">操作</th>
+        </tr>
+        </thead>
+        <tbody>
+        <?php foreach ($directoryContents as $item): ?>
+            <?php $relativePath = $directory ? $directory . '/' . $item['name'] : $item['name']; ?>
+            <?php $absolutePath = Yii::getAlias('@app') . '/data/' . Yii::$app->user->id . '.secret/' . $relativePath; ?>
+            <tr>
+                <td><label for="selector1" hidden></label><input id="selector1" type="checkbox" class="select-item"
+                                                                 data-relative-path="<?= Html::encode($relativePath) ?>"
+                                                                 data-is-directory="<?= Html::encode(is_dir($absolutePath)) ?>">
+                </td>
+                <td>
+                    <?= Html::tag('i', '', ['class' => $item['type'] . ' file_icon']) ?>
+                    <?= Html::a($item['name'], ['vault/download', 'relativePath' => $relativePath], ['class' => 'file_name']) ?>
+                </td>
+                <td class="file_info">
+                    <?= date('Y-m-d H:i:s', $item['lastModified']) ?>
+                </td>
+                <td class="file_info">
+                    <?= $item['size'] !== null ? Yii::$app->formatter->asShortSize($item['size'], 2) : '' ?>
+                </td>
+                <td>
+                    <?= Html::button(Html::tag('i', '', ['class' => 'fa-regular fa-circle-down']), [
+                        'value' => Url::to(['vault/download', 'relativePath' => $relativePath]),
+                        'class' => 'btn btn-outline-primary download-btn',
+                        'data-bs-toggle' => 'tooltip',
+                        'data-bs-placement' => 'top',
+                        'data-bs-title' => '下载'
+                    ]) ?>
+                    <?= Html::button(Html::tag('i', '', ['class' => 'fa-regular fa-trash-can']), ['value' => $relativePath, 'class' => 'btn btn-outline-danger delete-btn', 'data-bs-toggle' => 'tooltip', 'data-bs-placement' => 'top', 'data-bs-title' => '删除']) ?>
+                </td>
+            </tr>
+        <?php endforeach; ?>
+        </tbody>
+    </table>
+</div>
+
+<?php
+Modal::begin([
+    'title' => '<h4>确认删除</h4>',
+    'id' => 'deleteModal',
+    'size' => 'modal-sm',
+]);
+
+echo Html::tag('div', '你确定要删除这个文件吗？', ['class' => 'modal-body']);
+
+echo Html::beginForm(['vault/delete'], 'post', ['id' => 'delete-form']);
+echo Html::hiddenInput('relativePath', '', ['id' => 'deleteRelativePath']);
+echo Html::submitButton('确认', ['class' => 'btn btn-danger']);
+echo Html::endForm();
+
+Modal::end();
+$this->registerJsFile('@web/js/vault_script.js', ['depends' => [JqueryAsset::class], 'position' => View::POS_END]);
+?>
+
diff --git a/web/js/vault_script.js b/web/js/vault_script.js
new file mode 100644
index 0000000..a40b4d0
--- /dev/null
+++ b/web/js/vault_script.js
@@ -0,0 +1,201 @@
+var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
+var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
+    return new bootstrap.Tooltip(tooltipTriggerEl)
+});
+$(document).on('click', '.download-btn', function () {
+    window.location.href = $(this).attr('value');
+});
+$(document).on('click', '.delete-btn', function () {
+    var relativePath = $(this).attr('value');
+    $('#deleteRelativePath').val(relativePath);
+    $('#deleteModal').modal('show');
+});
+$(document).on('click', '.file-upload-btn', function () {
+    $('#file-input').click();
+});
+$('#file-input').on('change', function () {
+    uploadFiles(this.files);
+});
+$('#folder-input').on('change', function () {
+    uploadFiles(this.files);
+});
+$(document).on('click', '.refresh-btn', function () {
+    window.location.reload();
+});
+$(document).on('click', '.single-download-btn', function () {
+    var relativePath = $('.select-item:checked').first().data('relativePath');
+    window.location.href = 'index.php?r=vault%2Fdownload&relativePath=' + encodeURIComponent(relativePath);
+});
+
+function uploadFiles(files) {
+    $('#progress-bar').show();
+    var formData = new FormData();
+    for (var i = 0; i < files.length; i++) {
+        formData.append('files[]', files[i]);
+    }
+    formData.append('targetDir', $('#target-dir').val());
+    formData.append('_csrf', $('meta[name="csrf-token"]').attr('content'));
+
+    var xhr = new XMLHttpRequest();
+    xhr.upload.onprogress = function (event) {
+        if (event.lengthComputable) {
+            var percentComplete = event.loaded / event.total * 100;
+            $('#progress-bar .progress-bar').css('width', percentComplete + '%').text(Math.round(percentComplete) + '%');
+        }
+    };
+    xhr.onload = function () {
+        if (xhr.status !== 200) {
+            alert('An error occurred during the upload.');
+        }
+        window.location.reload();
+    };
+    xhr.open('POST', 'index.php?r=vault%2Fupload');
+    xhr.send(formData);
+}
+
+var dropArea = document.getElementById('drop-area');
+dropArea.addEventListener('dragover', function (event) {
+    event.preventDefault();
+});
+dropArea.addEventListener('drop', function (event) {
+    event.preventDefault();
+
+    var items = event.dataTransfer.items;
+    var files = [];
+    for (var i = 0; i < items.length; i++) {
+        var item = items[i];
+        files.push(item.getAsFile());
+    }
+    uploadFiles(files);
+    dropArea.classList.remove('dragging');
+});
+dropArea.addEventListener('dragenter', function (event) {
+    event.preventDefault();
+    dropArea.classList.add('dragging');
+});
+
+dropArea.addEventListener('dragleave', function (event) {
+    event.preventDefault();
+    if (!dropArea.contains(event.relatedTarget)) {
+        dropArea.classList.remove('dragging');
+    }
+});
+document.getElementById('select-all').addEventListener('change', function () {
+    var checkboxes = document.querySelectorAll('.select-item');
+    for (var i = 0; i < checkboxes.length; i++) {
+        checkboxes[i].checked = this.checked;
+        checkboxes[i].closest('tr').classList.toggle('selected', this.checked);
+    }
+});
+var itemCheckboxes = document.querySelectorAll('.select-item');
+for (var i = 0; i < itemCheckboxes.length; i++) {
+    itemCheckboxes[i].addEventListener('change', function () {
+        if (!this.checked) {
+            document.getElementById('select-all').checked = false;
+        } else {
+            var allChecked = true;
+            for (var j = 0; j < itemCheckboxes.length; j++) {
+                if (!itemCheckboxes[j].checked) {
+                    allChecked = false;
+                    break;
+                }
+            }
+            document.getElementById('select-all').checked = allChecked;
+        }
+        this.closest('tr').classList.toggle('selected', this.checked);
+    });
+}
+document.addEventListener('keydown', function (event) {
+    if (event.ctrlKey && event.key === 'a') {
+        event.preventDefault();
+        var checkboxes = document.querySelectorAll('.select-item');
+        var allChecked = Array.from(checkboxes).every(checkbox => checkbox.checked);
+        for (var i = 0; i < checkboxes.length; i++) {
+            checkboxes[i].checked = !allChecked;
+            checkboxes[i].closest('tr').classList.toggle('selected', !allChecked);
+        }
+        updateButtons();
+    }
+    if (event.ctrlKey && event.key === 'd') {
+        event.preventDefault();
+        $('tr.selected').removeClass('selected').find('input[type="checkbox"]').prop('checked', false);
+        $('#select-all').prop('checked', false);
+        updateButtons();
+    }
+});
+$(document).on('click', 'tr', function (event) {
+    if ($(event.target).is('input[type="checkbox"]') || $(event.target).is('a')) {
+        return;
+    }
+    var checkboxes = document.querySelectorAll('.select-item');
+    var checkedCount = Array.from(checkboxes).filter(checkbox => checkbox.checked).length;
+    var allChecked = checkedCount >= 2;
+    if (!event.ctrlKey) {
+        $('tr.selected').not(this).removeClass('selected').find('input[type="checkbox"]').prop('checked', false);
+    }
+    if ((!allChecked) || (allChecked && event.ctrlKey)) {
+        $(this).toggleClass('selected');
+        var checkbox = $(this).children(':first-child').find('input[type="checkbox"]');
+        checkbox.prop('checked', !checkbox.prop('checked'));
+    }
+    updateButtons();
+});
+
+function updateButtons() {
+    var checkboxes = $('.select-item:checked');
+    var count = checkboxes.length;
+    var isSingleFile = count === 1 && !checkboxes.first().data('isDirectory');
+    $('.single-download-btn').toggle(isSingleFile);
+    $('.batch-delete-btn').toggle(count >= 1);
+}
+
+$(document).on('change', '.select-item', updateButtons);
+$(document).ready(function () {
+    updateButtons();
+    $('tr').contextmenu(function (e) {
+        e.preventDefault();
+        if ($(e.target).is('button') || $(e.target).is('i') || $(e.target).is('a')) {
+            e.preventDefault();
+            return;
+        }
+        var clickedElement = $(this);
+        if (!clickedElement.hasClass('selected')) {
+            $('tr.selected').removeClass('selected').find('input[type="checkbox"]').prop('checked', false);
+            clickedElement.addClass('selected');
+            var checkbox = clickedElement.children(':first-child').find('input[type="checkbox"]');
+            checkbox.prop('checked', true);
+            updateButtons();
+        }
+        $('#option-download').toggle($('.single-download-btn').css('display') !== 'none');
+        $('#option-batch-delete').toggle($('.batch-delete-btn').css('display') !== 'none');
+        $('#option-refresh').toggle($('.refresh-btn').css('display') !== 'none');
+        $('#contextMenu').css({
+            display: "block",
+            left: e.pageX,
+            top: e.pageY
+        }).addClass('show');
+        $('#contextMenu .dropdown-menu').addClass('show');
+    });
+    $('#contextMenu a').off('click').on('click', function (e) {
+        e.preventDefault();
+        var clickedMenuItem = $(this).attr('id');
+        switch (clickedMenuItem) {
+            case 'option-download':
+                $('.single-download-btn').click();
+                break;
+            case 'option-batch-delete':
+                $('.batch-delete-btn').click();
+                break;
+            case 'option-refresh':
+                $('.refresh-btn').click();
+                break;
+        }
+        $('#contextMenu').hide().removeClass('show');
+    });
+    $(document).click(function () {
+        $('#contextMenu').hide().removeClass('show');
+        $('#contextMenu .dropdown-menu').removeClass('show');
+    });
+});
+const popoverTriggerList = document.querySelectorAll('[data-bs-toggle="popover"]')
+const popoverList = [...popoverTriggerList].map(popoverTriggerEl => new bootstrap.Popover(popoverTriggerEl))
\ No newline at end of file