diff --git a/controllers/CollectionController.php b/controllers/CollectionController.php
index 4ac87bf..08efee3 100644
--- a/controllers/CollectionController.php
+++ b/controllers/CollectionController.php
@@ -10,6 +10,8 @@ use Yii;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
 use yii\filters\VerbFilter;
+use yii\web\ServerErrorHttpException;
+use yii\web\UploadedFile;
 
 /**
  * CollectionController implements the CRUD actions for CollectionTasks model.
@@ -28,6 +30,7 @@ class CollectionController extends Controller
                     'class' => VerbFilter::className(),
                     'actions' => [
                         'delete' => ['POST'],
+                        'upload' => ['POST']
                     ],
                 ],
             ]
@@ -120,7 +123,7 @@ class CollectionController extends Controller
     }
 
     /**
-     * 外部访问接口，接受参数id:收集文件任务id,secret:访问密钥,CollectionTasks[secret]:访问密钥(另一种形式)
+     * 外部收集文件访问接口，接受参数id:收集文件任务id,secret:访问密钥,CollectionTasks[secret]:访问密钥(另一种形式)
      *
      * @param $id
      * @param $secret
@@ -136,22 +139,76 @@ class CollectionController extends Controller
         $model = CollectionTasks::findOne(['id' => $id]);
         if ($model === null) {
             throw new NotFoundHttpException('请求的文件收集任务不存在');
+        } elseif (!is_dir(Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->user_id . '/' . $model->folder_path)) {
+            throw new NotFoundHttpException('收集任务的目标路径不存在');
         } elseif ($secret === null) {
-            return $this->render('gateway', [
+            return $this->render('_gateway', [
                 'model' => new CollectionTasks(),
             ]);
         } elseif ($model->secret !== $secret) {
             Yii::$app->session->setFlash('error', '拒绝访问，凭证不正确');
-            return $this->render('gateway', [
+            return $this->render('_gateway', [
                 'model' => new CollectionTasks(),
             ]);
         } else {
             $model2 = new CollectionUploaded();
-            $model2->subfolder_name = Uuid::uuid4()->toString();
+            do {
+                $model2->subfolder_name = Uuid::uuid4()->toString();
+                $path = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->user_id . '/' . $model->folder_path . '/' . $model2->subfolder_name;
+            } while (file_exists($path));
             return $this->render('access', [
                 'model' => $model,
                 'model2' => $model2,
             ]);
         }
     }
+
+    /**
+     * @throws NotFoundHttpException
+     * @throws ServerErrorHttpException
+     */
+    public function actionUpload()
+    {
+        $request = Yii::$app->request;
+
+        // 获取POST请求中的参数
+        $taskId = $request->post('CollectionTasks')['id'];
+        $subfolderName = $request->post('CollectionUploaded')['subfolder_name'];
+
+        // 获取发送POST请求的用户的IP地址
+        $uploaderIp = $request->userIP;
+
+        $task = CollectionTasks::findOne($taskId);
+        $userId = $task->user_id;
+        $folderPath = $task->folder_path;
+
+        // 创建一个新的CollectionUploaded模型实例，并设置其属性值
+        $model = new CollectionUploaded();
+        $model->task_id = $taskId;
+        $model->uploader_ip = $uploaderIp;
+        $model->uploaded_at = date('Y-m-d H:i:s'); // 设置上传时间为当前时间
+        $model->subfolder_name = $subfolderName;
+        if ($model->validate()) {
+            // 进行文件上传
+            $targetDirectory = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $userId . '/' . $folderPath . '/' . $subfolderName;
+            if (!is_dir($targetDirectory)) {
+                mkdir($targetDirectory, 0777, true);
+            }
+            $uploadedFiles = UploadedFile::getInstancesByName('files');
+            foreach ($uploadedFiles as $file) {
+                $filePath = $targetDirectory . '/' . $file->name;
+                if (!$file->saveAs($filePath)) {
+                    throw new NotFoundHttpException('文件上传失败');
+                }
+            }
+            if ($model->save()) {
+                Yii::$app->session->setFlash('success', '上传完成');
+                return $this->redirect(['access', 'id' => $taskId, 'secret' => $task->secret]);
+            } else {
+                // 如果保存失败，可以抛出一个异常，或者渲染一个错误页面
+                throw new ServerErrorHttpException('Failed to create the object for unknown reason.');
+            }
+        }
+        throw new NotFoundHttpException('上传失败,验证错误');
+    }
 }
diff --git a/views/collection/gateway.php b/views/collection/_gateway.php
similarity index 100%
rename from views/collection/gateway.php
rename to views/collection/_gateway.php
diff --git a/views/collection/access.php b/views/collection/access.php
index 7647f40..52af2dd 100644
--- a/views/collection/access.php
+++ b/views/collection/access.php
@@ -1,6 +1,8 @@
 <?php
 
+use yii\bootstrap5\ActiveForm;
 use yii\helpers\Html;
+use yii\helpers\Url;
 
 /** @var yii\web\View $this */
 /** @var app\models\CollectionTasks $model */
@@ -13,14 +15,29 @@ $this->params['breadcrumbs'][] = $this->title;
 
     <h1><?= Html::encode($this->title) ?></h1>
     <p>
-        收集任务ID: <?= Html::encode($model->id) ?>
+        这是文件收集任务<?= Html::encode($model->id) ?>，上传的文件将会保存到预先设定的位置。
     </p>
 
     <p>
-        访问密钥: <?= Html::encode($model->secret) ?>
+        上传者UUID: <?= Html::encode($model2->subfolder_name) ?>
     </p>
 
-    <p>
-        收集目标文件夹: <?= Html::encode($model2->subfolder_name) ?>
-    </p>
+    <?php $form = ActiveForm::begin([
+        'action' => Url::to(['collection/upload']),
+        'method' => 'post',
+        'options' => ['enctype' => 'multipart/form-data']
+    ]); ?>
+
+    <label for="uploader">要上传的文件:</label>
+    <input type="file" multiple name="files[]" id="uploader">
+
+    <?= $form->field($model, 'id')->hiddenInput()->label(false) ?>
+
+    <?= $form->field($model2, 'subfolder_name')->hiddenInput()->label(false) ?>
+
+    <div class="form-group">
+        <?= Html::submitButton('上传文件', ['class' => 'btn btn-primary']) ?>
+    </div>
+
+    <?php ActiveForm::end(); ?>
 </div>