diff --git a/controllers/CollectionUploadedController.php b/controllers/CollectionUploadedController.php
index 5d0dfa7..d3103b7 100644
--- a/controllers/CollectionUploadedController.php
+++ b/controllers/CollectionUploadedController.php
@@ -2,9 +2,7 @@
 
 namespace app\controllers;
 
-use app\models\CollectionTasks;
 use app\models\CollectionUploaded;
-use app\models\CollectionUploadedSearch;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
 use yii\filters\VerbFilter;
diff --git a/controllers/CountryController.php b/controllers/CountryController.php
deleted file mode 100644
index 9e8e5bd..0000000
--- a/controllers/CountryController.php
+++ /dev/null
@@ -1,134 +0,0 @@
-<?php
-
-namespace app\controllers;
-
-use app\models\Country;
-use app\models\CountrySearch;
-use yii\web\Controller;
-use yii\web\NotFoundHttpException;
-use yii\filters\VerbFilter;
-
-/**
- * CountryController implements the CRUD actions for Country model.
- */
-class CountryController extends Controller
-{
-    /**
-     * @inheritDoc
-     */
-    public function behaviors()
-    {
-        return array_merge(
-            parent::behaviors(),
-            [
-                'verbs' => [
-                    'class' => VerbFilter::className(),
-                    'actions' => [
-                        'delete' => ['POST'],
-                    ],
-                ],
-            ]
-        );
-    }
-
-    /**
-     * Lists all Country models.
-     *
-     * @return string
-     */
-    public function actionIndex()
-    {
-        $searchModel = new CountrySearch();
-        $dataProvider = $searchModel->search($this->request->queryParams);
-
-        return $this->render('index', [
-            'searchModel' => $searchModel,
-            'dataProvider' => $dataProvider,
-        ]);
-    }
-
-    /**
-     * Displays a single Country model.
-     * @param string $code Code
-     * @return string
-     * @throws NotFoundHttpException if the model cannot be found
-     */
-    public function actionView($code)
-    {
-        return $this->render('view', [
-            'model' => $this->findModel($code),
-        ]);
-    }
-
-    /**
-     * Creates a new Country model.
-     * If creation is successful, the browser will be redirected to the 'view' page.
-     * @return string|\yii\web\Response
-     */
-    public function actionCreate()
-    {
-        $model = new Country();
-
-        if ($this->request->isPost) {
-            if ($model->load($this->request->post()) && $model->save()) {
-                return $this->redirect(['view', 'code' => $model->code]);
-            }
-        } else {
-            $model->loadDefaultValues();
-        }
-
-        return $this->render('create', [
-            'model' => $model,
-        ]);
-    }
-
-    /**
-     * Updates an existing Country model.
-     * If update is successful, the browser will be redirected to the 'view' page.
-     * @param string $code Code
-     * @return string|\yii\web\Response
-     * @throws NotFoundHttpException if the model cannot be found
-     */
-    public function actionUpdate($code)
-    {
-        $model = $this->findModel($code);
-
-        if ($this->request->isPost && $model->load($this->request->post()) && $model->save()) {
-            return $this->redirect(['view', 'code' => $model->code]);
-        }
-
-        return $this->render('update', [
-            'model' => $model,
-        ]);
-    }
-
-    /**
-     * Deletes an existing Country model.
-     * If deletion is successful, the browser will be redirected to the 'index' page.
-     * @param string $code Code
-     * @return \yii\web\Response
-     * @throws NotFoundHttpException if the model cannot be found
-     */
-    public function actionDelete($code)
-    {
-        $this->findModel($code)->delete();
-
-        return $this->redirect(['index']);
-    }
-
-    /**
-     * Finds the Country model based on its primary key value.
-     * If the model is not found, a 404 HTTP exception will be thrown.
-     * @param string $code Code
-     * @return Country the loaded model
-     * @throws NotFoundHttpException if the model cannot be found
-     */
-    protected function findModel($code)
-    {
-        if (($model = Country::findOne(['code' => $code])) !== null) {
-            return $model;
-        }
-
-        throw new NotFoundHttpException('The requested page does not exist.');
-    }
-}
diff --git a/controllers/HomeController.php b/controllers/HomeController.php
index d1c460e..d080fa4 100644
--- a/controllers/HomeController.php
+++ b/controllers/HomeController.php
@@ -362,7 +362,7 @@ class HomeController extends Controller
         $uploadedFiles = UploadedFile::getInstancesByName('files');
         $successCount = 0;
         $totalCount = count($uploadedFiles);
-        $sp = Yii::$app->request->post('sp', null);
+        $sp = Yii::$app->request->post('sp');
 
         foreach ($uploadedFiles as $uploadedFile) {
             $model->uploadFile = $uploadedFile;
@@ -597,8 +597,6 @@ class HomeController extends Controller
             $zipPath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '/' . $targetDirectory . '/' . $model->zipFilename . '.' . $model->zipFormat;
             try {
                 UnifiedArchive::create($absolutePaths, $zipPath);
-                // 获取新的压缩文件的大小
-                $zipSize = filesize($zipPath);
                 // 检查新的压缩文件的大小是否超过用户的存储限制
                 if (!FileSizeHelper::hasEnoughSpace()) {
                     // 如果超过，删除这个新的压缩文件，并显示一个错误消息
diff --git a/controllers/SiteController.php b/controllers/SiteController.php
index d93a960..12816fb 100644
--- a/controllers/SiteController.php
+++ b/controllers/SiteController.php
@@ -6,17 +6,14 @@ use app\models\EntryForm;
 use Yii;
 use yii\filters\AccessControl;
 use yii\web\Controller;
-use yii\web\Response;
 use yii\filters\VerbFilter;
-use app\models\LoginForm;
-use app\models\ContactForm;
 
 class SiteController extends Controller
 {
     /**
      * {@inheritdoc}
      */
-    public function behaviors()
+    public function behaviors(): array
     {
         return [
             'access' => [
@@ -42,7 +39,7 @@ class SiteController extends Controller
     /**
      * {@inheritdoc}
      */
-    public function actions()
+    public function actions(): array
     {
         return [
             'error' => [
@@ -60,84 +57,13 @@ class SiteController extends Controller
      *
      * @return string
      */
-    public function actionIndex()
+    public function actionIndex(): string
     {
         return $this->render('index');
     }
 
-    /**
-     * Login action.
-     *
-     * @return Response|string
-     */
-    public function actionLogin()
-    {
-        if (!Yii::$app->user->isGuest) {
-            return $this->goHome();
-        }
 
-        $model = new LoginForm();
-        if ($model->load(Yii::$app->request->post()) && $model->login()) {
-            return $this->goBack();
-        }
-
-        $model->password = '';
-        return $this->render('login', [
-            'model' => $model,
-        ]);
-    }
-
-    /**
-     * Logout action.
-     *
-     * @return Response
-     */
-    public function actionLogout()
-    {
-        Yii::$app->user->logout();
-
-        return $this->goHome();
-    }
-
-    /**
-     * Displays contact page.
-     *
-     * @return Response|string
-     */
-    public function actionContact()
-    {
-        $model = new ContactForm();
-        if ($model->load(Yii::$app->request->post()) && $model->contact(Yii::$app->params['adminEmail'])) {
-            Yii::$app->session->setFlash('contactFormSubmitted');
-
-            return $this->refresh();
-        }
-        return $this->render('contact', [
-            'model' => $model,
-        ]);
-    }
-
-    /**
-     * Displays about page.
-     *
-     * @return string
-     */
-    public function actionAbout()
-    {
-        return $this->render('about');
-    }
-
-    /**
-     * Displays hello page.
-     *
-     * @return string
-     */
-    public function actionSay($message = 'hello')
-    {
-        return $this->render('say', ['message' => $message]);
-    }
-
-    public function actionEntry()
+    public function actionEntry(): string
     {
         $model = new EntryForm();
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
diff --git a/controllers/UserController.php b/controllers/UserController.php
index 4ea5335..6a6a1ed 100644
--- a/controllers/UserController.php
+++ b/controllers/UserController.php
@@ -5,47 +5,32 @@ namespace app\controllers;
 use app\models\PublicKeyCredentialSourceRepository;
 use app\models\User;
 use app\utils\FileSizeHelper;
+use JsonException;
 use OTPHP\TOTP;
 use Random\RandomException;
 use ReCaptcha\ReCaptcha;
-use Symfony\Component\Serializer\Serializer;
 use Throwable;
-use Webauthn\AttestationStatement\AttestationObjectLoader;
 use Webauthn\AttestationStatement\AttestationStatementSupportManager;
 use Webauthn\AttestationStatement\NoneAttestationStatementSupport;
 use Webauthn\AuthenticatorAssertionResponse;
 use Webauthn\AuthenticatorAssertionResponseValidator;
 use Webauthn\AuthenticatorAttestationResponse;
 use Webauthn\AuthenticatorAttestationResponseValidator;
-use Webauthn\CeremonyStep\CeremonyStepManager;
-use Webauthn\CeremonyStep\CeremonyStepManagerFactory;
-use Webauthn\Denormalizer\AttestationObjectDenormalizer;
-use Webauthn\Denormalizer\AttestationStatementDenormalizer;
-use Webauthn\Denormalizer\AuthenticatorAssertionResponseDenormalizer;
-use Webauthn\Denormalizer\AuthenticatorAttestationResponseDenormalizer;
-use Webauthn\Denormalizer\AuthenticatorDataDenormalizer;
-use Webauthn\Denormalizer\AuthenticatorResponseDenormalizer;
-use Webauthn\Denormalizer\CollectedClientDataDenormalizer;
-use Webauthn\Denormalizer\PublicKeyCredentialDenormalizer;
 use Webauthn\Denormalizer\WebauthnSerializerFactory;
 use Webauthn\Exception\AuthenticatorResponseVerificationException;
 use Webauthn\PublicKeyCredential;
 use Webauthn\PublicKeyCredentialCreationOptions;
 use Webauthn\PublicKeyCredentialDescriptor;
-use Webauthn\PublicKeyCredentialLoader;
 use Webauthn\PublicKeyCredentialRequestOptions;
 use Webauthn\PublicKeyCredentialRpEntity;
 use Webauthn\PublicKeyCredentialSource;
 use Webauthn\PublicKeyCredentialUserEntity;
-use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
-use Symfony\Component\Serializer\Encoder\JsonEncoder;
 use Yii;
 use yii\base\Exception;
 use yii\base\InvalidConfigException;
 use yii\data\ActiveDataProvider;
 use yii\db\StaleObjectException;
 use yii\filters\AccessControl;
-use yii\helpers\Url;
 use yii\httpclient\Client;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
@@ -132,6 +117,29 @@ class UserController extends Controller
 
     }
 
+    /**
+     * @return array
+     * @throws InvalidConfigException
+     * @throws \yii\httpclient\Exception
+     */
+    protected function checkCaptcha(): array
+    {
+        $verifyProvider = Yii::$app->params['verifyProvider'];
+        $captchaResponse = null;
+        $isCaptchaValid = false;
+        if ($verifyProvider === 'reCAPTCHA') {
+            $captchaResponse = Yii::$app->request->post('g-recaptcha-response');
+            $isCaptchaValid = $this->validateRecaptcha($captchaResponse);
+        } elseif ($verifyProvider === 'hCaptcha') {
+            $captchaResponse = Yii::$app->request->post('h-captcha-response');
+            $isCaptchaValid = $this->validateHcaptcha($captchaResponse);
+        } elseif ($verifyProvider === 'Turnstile') {
+            $captchaResponse = Yii::$app->request->post('cf-turnstile-response');
+            $isCaptchaValid = $this->validateTurnstile($captchaResponse);
+        }
+        return array($verifyProvider, $captchaResponse, $isCaptchaValid);
+    }
+
     /**
      * Finds the User model based on its primary key value.
      * If the model is not found, a 404 HTTP exception will be thrown.
@@ -149,11 +157,12 @@ class UserController extends Controller
     }
 
     /**
+     * 查找公钥凭证模型
      * @param $id
      * @return PublicKeyCredentialSourceRepository|null
      * @throws NotFoundHttpException
      */
-    protected function findCredentialModel($id)
+    protected function findCredentialModel($id): ?PublicKeyCredentialSourceRepository
     {
         if (($model = PublicKeyCredentialSourceRepository::findOne(['id' => $id])) !== null) {
             return $model;
@@ -181,19 +190,7 @@ class UserController extends Controller
 
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
             // 根据 verifyProvider 的值选择使用哪种验证码服务
-            $verifyProvider = Yii::$app->params['verifyProvider'];
-            $captchaResponse = null;
-            $isCaptchaValid = false;
-            if ($verifyProvider === 'reCAPTCHA') {
-                $captchaResponse = Yii::$app->request->post('g-recaptcha-response');
-                $isCaptchaValid = $this->validateRecaptcha($captchaResponse);
-            } elseif ($verifyProvider === 'hCaptcha') {
-                $captchaResponse = Yii::$app->request->post('h-captcha-response');
-                $isCaptchaValid = $this->validateHcaptcha($captchaResponse);
-            } elseif ($verifyProvider === 'Turnstile') {
-                $captchaResponse = Yii::$app->request->post('cf-turnstile-response');
-                $isCaptchaValid = $this->validateTurnstile($captchaResponse);
-            }
+            list($verifyProvider, $captchaResponse, $isCaptchaValid) = $this->checkCaptcha();
 
             if (($captchaResponse !== null && $isCaptchaValid) || ($verifyProvider === 'None')) {
                 // 验证用户名和密码
@@ -308,19 +305,7 @@ class UserController extends Controller
         $hcaptchaSecret = Yii::$app->params['hCaptcha']['secret'];
         $verifyUrl = 'https://api.hcaptcha.com/siteverify';
 
-        $client = new Client();
-        $response = $client->createRequest()
-            ->setMethod('POST')
-            ->setUrl($verifyUrl)
-            ->setData(['secret' => $hcaptchaSecret, 'response' => $hcaptchaResponse])
-            ->send();
-
-        if ($response->isOk) {
-            $responseData = $response->getData();
-            return isset($responseData['success']) && $responseData['success'] === true;
-        }
-
-        return false;
+        return $this->verifyResponse($verifyUrl, $hcaptchaSecret, $hcaptchaResponse);
     }
 
     /**
@@ -335,19 +320,7 @@ class UserController extends Controller
         $turnstileSecret = Yii::$app->params['Turnstile']['secret'];
         $verifyUrl = 'https://challenges.cloudflare.com/turnstile/v0/siteverify';
 
-        $client = new Client();
-        $response = $client->createRequest()
-            ->setMethod('POST')
-            ->setUrl($verifyUrl)
-            ->setData(['secret' => $turnstileSecret, 'response' => $turnstileResponse])
-            ->send();
-
-        if ($response->isOk) {
-            $responseData = $response->getData();
-            return isset($responseData['success']) && $responseData['success'] === true;
-        }
-
-        return false;
+        return $this->verifyResponse($verifyUrl, $turnstileSecret, $turnstileResponse);
     }
 
     /**
@@ -376,19 +349,7 @@ class UserController extends Controller
         $model = new User(['scenario' => 'register']);
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
             // 根据 verifyProvider 的值选择使用哪种验证码服务
-            $verifyProvider = Yii::$app->params['verifyProvider'];
-            $captchaResponse = null;
-            $isCaptchaValid = false;
-            if ($verifyProvider === 'reCAPTCHA') {
-                $captchaResponse = Yii::$app->request->post('g-recaptcha-response');
-                $isCaptchaValid = $this->validateRecaptcha($captchaResponse);
-            } elseif ($verifyProvider === 'hCaptcha') {
-                $captchaResponse = Yii::$app->request->post('h-captcha-response');
-                $isCaptchaValid = $this->validateHcaptcha($captchaResponse);
-            } elseif ($verifyProvider === 'Turnstile') {
-                $captchaResponse = Yii::$app->request->post('cf-turnstile-response');
-                $isCaptchaValid = $this->validateTurnstile($captchaResponse);
-            }
+            list($verifyProvider, $captchaResponse, $isCaptchaValid) = $this->checkCaptcha();
 
             if (($captchaResponse !== null && $isCaptchaValid) || ($verifyProvider === 'None')) {
                 $raw_password = $model->password;
@@ -606,6 +567,7 @@ class UserController extends Controller
     }
 
     /**
+     * 获取所有的公钥凭证
      * @return Response|string
      */
     public function actionCredentialList(): Response|string
@@ -623,6 +585,7 @@ class UserController extends Controller
     }
 
     /**
+     * 删除指定的公钥凭证
      * @param $id
      * @return Response|string
      * @throws NotFoundHttpException
@@ -632,7 +595,12 @@ class UserController extends Controller
     public function actionCredentialDelete($id): Response|string
     {
         if (Yii::$app->request->isPjax) {
-            $this->findCredentialModel($id)->delete();
+            $publicKeyCredentialSourceRepository = $this->findCredentialModel($id);
+            if($publicKeyCredentialSourceRepository->user_id !== Yii::$app->user->id){
+                Yii::$app->session->setFlash('error', '非法操作');
+                return $this->redirect('info');
+            }
+            $publicKeyCredentialSourceRepository->delete();
             return $this->renderAjax('_creIndex', [
                 'dataProvider' => new ActiveDataProvider([
                     'query' => PublicKeyCredentialSourceRepository::find()->where(['user_id' => Yii::$app->user->id]),
@@ -697,22 +665,14 @@ class UserController extends Controller
             return $this->asJson(['message' => 'Invalid response type']);
         }
 
-        $ceremonyStepManagerFactory = new CeremonyStepManagerFactory();
-        $ceremonyStepManager = $ceremonyStepManagerFactory->creationCeremony();
-
         // PHP Deprecated:
         // Since web-auth/webauthn-lib 4.8.0:
         // The parameter "$attestationStatementSupportManager" is deprecated since 4.8.0 will be removed in 5.0.0.
         // Please set a CheckAttestationFormatIsKnownAndValid object into CeremonyStepManager object instead.
         // in /vendor/symfony/deprecation-contracts/function.php on line 25
-        // NMD, 这个问题在文档更新之前我是不会去解决的
+        // MD, 这个问题在文档更新之前我是不会去解决的
         $authenticatorAttestationResponseValidator = AuthenticatorAttestationResponseValidator::create(
-            $attestationStatementSupportManager,
-            null, //Deprecated Public Key Credential Source Repository. Please set null.
-            null, //Deprecated Token Binding Handler. Please set null.
-            null,
-            null,
-            null
+            $attestationStatementSupportManager
         );
 
         $publicKeyCredentialCreationOptions = Yii::$app->session->get('publicKeyCredentialCreationOptions');
@@ -764,8 +724,9 @@ class UserController extends Controller
 
     /**
      * 验证断言
+     * 用于已登录情况下验证fifo设置是否成功
      * @return Response
-     * @throws \JsonException
+     * @throws JsonException
      */
     public function actionVerifyAssertion(): Response
     {
@@ -800,7 +761,7 @@ class UserController extends Controller
                 $authenticatorAssertionResponse, //user response
                 $publicKeyCredentialRequestOptions,
                 Yii::$app->params['domain'],
-                $publicKeyCredentialSourceRepository1->user_id //我也不知道为什么要设置这个
+                $publicKeyCredentialSourceRepository1->user_id //我也不知道这个是什么，不过看了眼源码，移动设备验证时userhandle传入的是Null
             );
         } catch (AuthenticatorResponseVerificationException $e) {
             return $this->asJson(['message' => $e->getMessage(), 'verified' => false]);
@@ -811,4 +772,29 @@ class UserController extends Controller
         $publicKeyCredentialSourceRepository1->saveCredential($publicKeyCredentialSource, 'test');
         return $this->asJson(['verified' => true]);
     }
+
+    /**
+     * @param string $verifyUrl
+     * @param mixed $hcaptchaSecret
+     * @param $hcaptchaResponse
+     * @return bool
+     * @throws InvalidConfigException
+     * @throws \yii\httpclient\Exception
+     */
+    private function verifyResponse(string $verifyUrl, mixed $hcaptchaSecret, $hcaptchaResponse): bool
+    {
+        $client = new Client();
+        $response = $client->createRequest()
+            ->setMethod('POST')
+            ->setUrl($verifyUrl)
+            ->setData(['secret' => $hcaptchaSecret, 'response' => $hcaptchaResponse])
+            ->send();
+
+        if ($response->isOk) {
+            $responseData = $response->getData();
+            return isset($responseData['success']) && $responseData['success'] === true;
+        }
+
+        return false;
+    }
 }
diff --git a/controllers/VaultController.php b/controllers/VaultController.php
index ef3ecd0..a67a1ea 100644
--- a/controllers/VaultController.php
+++ b/controllers/VaultController.php
@@ -219,7 +219,7 @@ class VaultController extends Controller
         $uploadedFiles = UploadedFile::getInstancesByName('files');
         $successCount = 0;
         $totalCount = count($uploadedFiles);
-        $sp = Yii::$app->request->post('sp', null);
+        $sp = Yii::$app->request->post('sp');
 
         foreach ($uploadedFiles as $uploadedFile) {
             $model->uploadFile = $uploadedFile;
diff --git a/migrations/m240305_042554_init_rbac.php b/migrations/m240305_042554_init_rbac.php
index 534f0c5..722a485 100644
--- a/migrations/m240305_042554_init_rbac.php
+++ b/migrations/m240305_042554_init_rbac.php
@@ -1,6 +1,7 @@
 <?php
 
 use yii\db\Migration;
+use yii\db\Query;
 
 /**
  * Class m240305_042554_init_rbac
@@ -25,7 +26,7 @@ class m240305_042554_init_rbac extends Migration
 
         $auth->addChild($user,$access_home);
         // 获取所有用户
-        $users = (new \yii\db\Query())
+        $users = (new Query())
             ->select(['id', 'role'])
             ->from('user')
             ->all();
diff --git a/models/CollectionSearch.php b/models/CollectionSearch.php
index 882e387..38e8de4 100644
--- a/models/CollectionSearch.php
+++ b/models/CollectionSearch.php
@@ -5,7 +5,6 @@ namespace app\models;
 use Yii;
 use yii\base\Model;
 use yii\data\ActiveDataProvider;
-use app\models\CollectionTasks;
 
 /**
  * CollectionSearch represents the model behind the search form of `app\models\CollectionTasks`.
diff --git a/models/CollectionTasks.php b/models/CollectionTasks.php
index 30afdcd..f43beb3 100644
--- a/models/CollectionTasks.php
+++ b/models/CollectionTasks.php
@@ -2,7 +2,6 @@
 
 namespace app\models;
 
-use Yii;
 use yii\db\ActiveQuery;
 use yii\db\ActiveRecord;
 
@@ -21,7 +20,7 @@ use yii\db\ActiveRecord;
  */
 class CollectionTasks extends ActiveRecord
 {
-    const SCENARIO_CREATE = 'create';
+    const string SCENARIO_CREATE = 'create';
 
     /**
      * {@inheritdoc}
diff --git a/models/CollectionUploaded.php b/models/CollectionUploaded.php
index fddd0ec..d3c142e 100644
--- a/models/CollectionUploaded.php
+++ b/models/CollectionUploaded.php
@@ -2,7 +2,7 @@
 
 namespace app\models;
 
-use Yii;
+use yii\db\ActiveQuery;
 use yii\db\ActiveRecord;
 
 /**
@@ -29,7 +29,7 @@ class CollectionUploaded extends ActiveRecord
     /**
      * {@inheritdoc}
      */
-    public function rules()
+    public function rules(): array
     {
         return [
             [['task_id', 'uploader_ip', 'subfolder_name'], 'required'],
@@ -44,7 +44,7 @@ class CollectionUploaded extends ActiveRecord
     /**
      * {@inheritdoc}
      */
-    public function attributeLabels()
+    public function attributeLabels(): array
     {
         return [
             'id' => '上传记录id',
@@ -58,9 +58,9 @@ class CollectionUploaded extends ActiveRecord
     /**
      * Gets query for [[Task]].
      *
-     * @return \yii\db\ActiveQuery
+     * @return ActiveQuery
      */
-    public function getTask()
+    public function getTask(): ActiveQuery
     {
         return $this->hasOne(CollectionTasks::class, ['id' => 'task_id']);
     }
diff --git a/models/CollectionUploadedSearch.php b/models/CollectionUploadedSearch.php
index 74f1bcb..8b4483b 100644
--- a/models/CollectionUploadedSearch.php
+++ b/models/CollectionUploadedSearch.php
@@ -4,7 +4,6 @@ namespace app\models;
 
 use yii\base\Model;
 use yii\data\ActiveDataProvider;
-use app\models\CollectionUploaded;
 
 /**
  * CollectionUploadedSearch represents the model behind the search form of `app\models\CollectionUploaded`.
@@ -14,7 +13,7 @@ class CollectionUploadedSearch extends CollectionUploaded
     /**
      * {@inheritdoc}
      */
-    public function rules()
+    public function rules(): array
     {
         return [
             [['id', 'task_id'], 'integer'],
@@ -25,7 +24,7 @@ class CollectionUploadedSearch extends CollectionUploaded
     /**
      * {@inheritdoc}
      */
-    public function scenarios()
+    public function scenarios(): array
     {
         // bypass scenarios() implementation in the parent class
         return Model::scenarios();
@@ -38,7 +37,7 @@ class CollectionUploadedSearch extends CollectionUploaded
      *
      * @return ActiveDataProvider
      */
-    public function search($params)
+    public function search($params): ActiveDataProvider
     {
         $query = CollectionUploaded::find();
 
diff --git a/models/Country.php b/models/Country.php
deleted file mode 100644
index d64380c..0000000
--- a/models/Country.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace app\models;
-
-use Yii;
-
-/**
- * This is the model class for table "country".
- *
- * @property string $code
- * @property string $name
- * @property int $population
- */
-class Country extends \yii\db\ActiveRecord
-{
-    /**
-     * {@inheritdoc}
-     */
-    public static function tableName()
-    {
-        return 'country';
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function rules()
-    {
-        return [
-            [['code', 'name'], 'required'],
-            [['population'], 'integer'],
-            [['code'], 'string', 'max' => 2],
-            [['name'], 'string', 'max' => 52],
-            [['code'], 'unique'],
-        ];
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function attributeLabels()
-    {
-        return [
-            'code' => 'Code',
-            'name' => 'Name',
-            'population' => 'Population',
-        ];
-    }
-}
diff --git a/models/CountrySearch.php b/models/CountrySearch.php
deleted file mode 100644
index db1f878..0000000
--- a/models/CountrySearch.php
+++ /dev/null
@@ -1,69 +0,0 @@
-<?php
-
-namespace app\models;
-
-use yii\base\Model;
-use yii\data\ActiveDataProvider;
-use app\models\Country;
-
-/**
- * CountrySearch represents the model behind the search form of `app\models\Country`.
- */
-class CountrySearch extends Country
-{
-    /**
-     * {@inheritdoc}
-     */
-    public function rules()
-    {
-        return [
-            [['code', 'name'], 'safe'],
-            [['population'], 'integer'],
-        ];
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function scenarios()
-    {
-        // bypass scenarios() implementation in the parent class
-        return Model::scenarios();
-    }
-
-    /**
-     * Creates data provider instance with search query applied
-     *
-     * @param array $params
-     *
-     * @return ActiveDataProvider
-     */
-    public function search($params)
-    {
-        $query = Country::find();
-
-        // add conditions that should always apply here
-
-        $dataProvider = new ActiveDataProvider([
-            'query' => $query,
-        ]);
-
-        $this->load($params);
-
-        if (!$this->validate()) {
-            // uncomment the following line if you do not want to return any records when validation fails
-            // $query->where('0=1');
-            return $dataProvider;
-        }
-
-        // grid filtering conditions
-        $query->andFilterWhere([
-            'population' => $this->population,
-        ]);
-
-        $query->andFilterWhere(['like', 'code', $this->code])
-            ->andFilterWhere(['like', 'name', $this->name]);
-
-        return $dataProvider;
-    }
-}
diff --git a/models/EntryForm.php b/models/EntryForm.php
index 079d396..68fc190 100644
--- a/models/EntryForm.php
+++ b/models/EntryForm.php
@@ -1,6 +1,5 @@
 <?php
 namespace app\models;
-use Yii;
 use yii\base\Model;
 
 class EntryForm extends Model
diff --git a/models/LoginForm.php b/models/LoginForm.php
deleted file mode 100644
index dce15cc..0000000
--- a/models/LoginForm.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-
-namespace app\models;
-
-use Yii;
-use yii\base\Model;
-
-/**
- * LoginForm is the model behind the login form.
- *
- * @property-read User|null $user
- *
- */
-class LoginForm extends Model
-{
-    public $username;
-    public $password;
-    public $rememberMe = true;
-
-    private $_user = false;
-
-
-    /**
-     * @return array the validation rules.
-     */
-    public function rules()
-    {
-        return [
-            // username and password are both required
-            [['username', 'password'], 'required'],
-            // rememberMe must be a boolean value
-            ['rememberMe', 'boolean'],
-            // password is validated by validatePassword()
-            ['password', 'validatePassword'],
-        ];
-    }
-
-    /**
-     * Validates the password.
-     * This method serves as the inline validation for password.
-     *
-     * @param string $attribute the attribute currently being validated
-     * @param array $params the additional name-value pairs given in the rule
-     */
-    public function validatePassword($attribute, $params)
-    {
-        if (!$this->hasErrors()) {
-            $user = $this->getUser();
-
-            if (!$user || !$user->validatePassword($this->password)) {
-                $this->addError($attribute, 'Incorrect username or password.');
-            }
-        }
-    }
-
-    /**
-     * Logs in a user using the provided username and password.
-     * @return bool whether the user is logged in successfully
-     */
-    public function login()
-    {
-        if ($this->validate()) {
-            return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
-        }
-        return false;
-    }
-
-    /**
-     * Finds user by [[username]]
-     *
-     * @return User|null
-     */
-    public function getUser()
-    {
-        if ($this->_user === false) {
-            $this->_user = User::findByUsername($this->username);
-        }
-
-        return $this->_user;
-    }
-}
diff --git a/models/Share.php b/models/Share.php
index 917a474..d00615d 100644
--- a/models/Share.php
+++ b/models/Share.php
@@ -2,7 +2,6 @@
 
 namespace app\models;
 
-use Yii;
 use yii\db\ActiveQuery;
 use yii\db\ActiveRecord;
 
@@ -20,11 +19,11 @@ use yii\db\ActiveRecord;
  */
 class Share extends ActiveRecord
 {
-    const SCENARIO_UPDATE = 'update';
+    const string SCENARIO_UPDATE = 'update';
     /**
      * {@inheritdoc}
      */
-    public static function tableName()
+    public static function tableName(): string
     {
         return 'share';
     }
@@ -32,7 +31,7 @@ class Share extends ActiveRecord
     /**
      * {@inheritdoc}
      */
-    public function rules()
+    public function rules(): array
     {
         return [
             [['file_relative_path', 'access_code'], 'required'],
@@ -48,7 +47,7 @@ class Share extends ActiveRecord
     /**
      * {@inheritdoc}
      */
-    public function attributeLabels()
+    public function attributeLabels(): array
     {
         return [
             'share_id' => '分享ID',
@@ -65,11 +64,11 @@ class Share extends ActiveRecord
      *
      * @return ActiveQuery
      */
-    public function getSharer()
+    public function getSharer(): ActiveQuery
     {
         return $this->hasOne(User::class, ['id' => 'sharer_id']);
     }
-    public function getSharerUsername()
+    public function getSharerUsername(): ?string
     {
         return $this->sharer->username;
     }
diff --git a/models/ShareSearch.php b/models/ShareSearch.php
index da8818c..93f6db5 100644
--- a/models/ShareSearch.php
+++ b/models/ShareSearch.php
@@ -5,7 +5,6 @@ namespace app\models;
 use Yii;
 use yii\base\Model;
 use yii\data\ActiveDataProvider;
-use app\models\Share;
 
 /**
  * ShareSearch represents the model behind the search form of `app\models\Share`.
@@ -15,7 +14,7 @@ class ShareSearch extends Share
     /**
      * {@inheritdoc}
      */
-    public function rules()
+    public function rules(): array
     {
         return [
             [['share_id', 'sharer_id'], 'integer'],
@@ -26,7 +25,7 @@ class ShareSearch extends Share
     /**
      * {@inheritdoc}
      */
-    public function scenarios()
+    public function scenarios(): array
     {
         // bypass scenarios() implementation in the parent class
         return Model::scenarios();
@@ -39,7 +38,7 @@ class ShareSearch extends Share
      *
      * @return ActiveDataProvider
      */
-    public function search($params)
+    public function search($params): ActiveDataProvider
     {
         $query = Share::find()->where(['sharer_id' => Yii::$app->user->id]);
 
diff --git a/models/UserSearch.php b/models/UserSearch.php
index f98bd33..129282f 100644
--- a/models/UserSearch.php
+++ b/models/UserSearch.php
@@ -4,7 +4,6 @@ namespace app\models;
 
 use yii\base\Model;
 use yii\data\ActiveDataProvider;
-use app\models\User;
 
 /**
  * UserSearch represents the model behind the search form of `app\models\User`.
@@ -14,7 +13,7 @@ class UserSearch extends User
     /**
      * {@inheritdoc}
      */
-    public function rules()
+    public function rules(): array
     {
         return [
             [['id', 'status'], 'integer'],
@@ -25,7 +24,7 @@ class UserSearch extends User
     /**
      * {@inheritdoc}
      */
-    public function scenarios()
+    public function scenarios(): array
     {
         // bypass scenarios() implementation in the parent class
         return Model::scenarios();
@@ -38,7 +37,7 @@ class UserSearch extends User
      *
      * @return ActiveDataProvider
      */
-    public function search($params)
+    public function search($params): ActiveDataProvider
     {
         $query = User::find();
 
diff --git a/qodana.yaml b/qodana.yaml
index 0c536d3..ee620db 100644
--- a/qodana.yaml
+++ b/qodana.yaml
@@ -30,3 +30,10 @@ php:
 
 #Specify Qodana linter for analysis (Applied in CI/CD pipeline)
 linter: jetbrains/qodana-php:latest
+exclude:
+  - name: All
+    paths:
+      - config\__autocomplete.php
+      - config\test.php
+      - mail\layouts
+      - widgets
diff --git a/utils/FileSizeHelper.php b/utils/FileSizeHelper.php
index 7b89077..7f8c722 100644
--- a/utils/FileSizeHelper.php
+++ b/utils/FileSizeHelper.php
@@ -6,7 +6,6 @@ use app\models\User;
 use RecursiveDirectoryIterator;
 use RecursiveIteratorIterator;
 use Yii;
-use yii\web\NotFoundHttpException;
 
 class FileSizeHelper
 {
diff --git a/views/country/_form.php b/views/country/_form.php
deleted file mode 100644
index 98ecd39..0000000
--- a/views/country/_form.php
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-use yii\helpers\Html;
-use yii\widgets\ActiveForm;
-
-/** @var yii\web\View $this */
-/** @var app\models\Country $model */
-/** @var yii\widgets\ActiveForm $form */
-?>
-
-<div class="country-form">
-
-    <?php $form = ActiveForm::begin(); ?>
-
-    <?= $form->field($model, 'code')->textInput(['maxlength' => true]) ?>
-
-    <?= $form->field($model, 'name')->textInput(['maxlength' => true]) ?>
-
-    <?= $form->field($model, 'population')->textInput() ?>
-
-    <div class="form-group">
-        <?= Html::submitButton('Save', ['class' => 'btn btn-success']) ?>
-    </div>
-
-    <?php ActiveForm::end(); ?>
-
-</div>
diff --git a/views/country/_search.php b/views/country/_search.php
deleted file mode 100644
index 838594c..0000000
--- a/views/country/_search.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-use yii\helpers\Html;
-use yii\widgets\ActiveForm;
-
-/** @var yii\web\View $this */
-/** @var app\models\CountrySearch $model */
-/** @var yii\widgets\ActiveForm $form */
-?>
-
-<div class="country-search">
-
-    <?php $form = ActiveForm::begin([
-        'action' => ['index'],
-        'method' => 'get',
-    ]); ?>
-
-    <?= $form->field($model, 'code') ?>
-
-    <?= $form->field($model, 'name') ?>
-
-    <?= $form->field($model, 'population') ?>
-
-    <div class="form-group">
-        <?= Html::submitButton('Search', ['class' => 'btn btn-primary']) ?>
-        <?= Html::resetButton('Reset', ['class' => 'btn btn-outline-secondary']) ?>
-    </div>
-
-    <?php ActiveForm::end(); ?>
-
-</div>
diff --git a/views/country/create.php b/views/country/create.php
deleted file mode 100644
index 4691602..0000000
--- a/views/country/create.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-use yii\helpers\Html;
-
-/** @var yii\web\View $this */
-/** @var app\models\Country $model */
-
-$this->title = 'Create Country';
-$this->params['breadcrumbs'][] = ['label' => 'Countries', 'url' => ['index']];
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="country-create">
-
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <?= $this->render('_form', [
-        'model' => $model,
-    ]) ?>
-
-</div>
diff --git a/views/country/index.php b/views/country/index.php
deleted file mode 100644
index 8b0901a..0000000
--- a/views/country/index.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-
-use app\models\Country;
-use yii\helpers\Html;
-use yii\helpers\Url;
-use yii\grid\ActionColumn;
-use yii\grid\GridView;
-
-/** @var yii\web\View $this */
-/** @var app\models\CountrySearch $searchModel */
-/** @var yii\data\ActiveDataProvider $dataProvider */
-
-$this->title = 'Countries';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="country-index">
-
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>
-        <?= Html::a('Create Country', ['create'], ['class' => 'btn btn-success']) ?>
-    </p>
-
-    <?php // echo $this->render('_search', ['model' => $searchModel]); ?>
-
-    <?= GridView::widget([
-        'dataProvider' => $dataProvider,
-        'filterModel' => $searchModel,
-        'columns' => [
-            ['class' => 'yii\grid\SerialColumn'],
-
-            'code',
-            'name',
-            'population',
-            [
-                'class' => ActionColumn::className(),
-                'urlCreator' => function ($action, Country $model, $key, $index, $column) {
-                    return Url::toRoute([$action, 'code' => $model->code]);
-                 }
-            ],
-        ],
-    ]); ?>
-
-
-</div>
diff --git a/views/country/update.php b/views/country/update.php
deleted file mode 100644
index fa49348..0000000
--- a/views/country/update.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-use yii\helpers\Html;
-
-/** @var yii\web\View $this */
-/** @var app\models\Country $model */
-
-$this->title = 'Update Country: ' . $model->name;
-$this->params['breadcrumbs'][] = ['label' => 'Countries', 'url' => ['index']];
-$this->params['breadcrumbs'][] = ['label' => $model->name, 'url' => ['view', 'code' => $model->code]];
-$this->params['breadcrumbs'][] = 'Update';
-?>
-<div class="country-update">
-
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <?= $this->render('_form', [
-        'model' => $model,
-    ]) ?>
-
-</div>
diff --git a/views/country/view.php b/views/country/view.php
deleted file mode 100644
index 06d758d..0000000
--- a/views/country/view.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-use yii\helpers\Html;
-use yii\widgets\DetailView;
-
-/** @var yii\web\View $this */
-/** @var app\models\Country $model */
-
-$this->title = $model->name;
-$this->params['breadcrumbs'][] = ['label' => 'Countries', 'url' => ['index']];
-$this->params['breadcrumbs'][] = $this->title;
-\yii\web\YiiAsset::register($this);
-?>
-<div class="country-view">
-
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>
-        <?= Html::a('Update', ['update', 'code' => $model->code], ['class' => 'btn btn-primary']) ?>
-        <?= Html::a('Delete', ['delete', 'code' => $model->code], [
-            'class' => 'btn btn-danger',
-            'data' => [
-                'confirm' => 'Are you sure you want to delete this item?',
-                'method' => 'post',
-            ],
-        ]) ?>
-    </p>
-
-    <?= DetailView::widget([
-        'model' => $model,
-        'attributes' => [
-            'code',
-            'name',
-            'population',
-        ],
-    ]) ?>
-
-</div>
diff --git a/views/site/about.php b/views/site/about.php
deleted file mode 100644
index ea006ec..0000000
--- a/views/site/about.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-/** @var yii\web\View $this */
-
-use yii\helpers\Html;
-
-$this->title = 'About';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-about">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>
-        This is the About page. You may modify the following file to customize its content:
-    </p>
-
-    <code><?= __FILE__ ?></code>
-</div>
diff --git a/views/site/contact.php b/views/site/contact.php
deleted file mode 100644
index 597fabc..0000000
--- a/views/site/contact.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-/** @var yii\web\View $this */
-/** @var yii\bootstrap5\ActiveForm $form */
-/** @var app\models\ContactForm $model */
-
-use yii\bootstrap5\ActiveForm;
-use yii\bootstrap5\Html;
-use yii\captcha\Captcha;
-
-$this->title = 'Contact';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-contact">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <?php if (Yii::$app->session->hasFlash('contactFormSubmitted')): ?>
-
-        <div class="alert alert-success">
-            Thank you for contacting us. We will respond to you as soon as possible.
-        </div>
-
-        <p>
-            Note that if you turn on the Yii debugger, you should be able
-            to view the mail message on the mail panel of the debugger.
-            <?php if (Yii::$app->mailer->useFileTransport): ?>
-                Because the application is in development mode, the email is not sent but saved as
-                a file under <code><?= Yii::getAlias(Yii::$app->mailer->fileTransportPath) ?></code>.
-                Please configure the <code>useFileTransport</code> property of the <code>mail</code>
-                application component to be false to enable email sending.
-            <?php endif; ?>
-        </p>
-
-    <?php else: ?>
-
-        <p>
-            If you have business inquiries or other questions, please fill out the following form to contact us.
-            Thank you.
-        </p>
-
-        <div class="row">
-            <div class="col-lg-5">
-
-                <?php $form = ActiveForm::begin(['id' => 'contact-form']); ?>
-
-                    <?= $form->field($model, 'name')->textInput(['autofocus' => true]) ?>
-
-                    <?= $form->field($model, 'email') ?>
-
-                    <?= $form->field($model, 'subject') ?>
-
-                    <?= $form->field($model, 'body')->textarea(['rows' => 6]) ?>
-
-                    <?= $form->field($model, 'verifyCode')->widget(Captcha::class, [
-                        'template' => '<div class="row"><div class="col-lg-3">{image}</div><div class="col-lg-6">{input}</div></div>',
-                    ]) ?>
-
-                    <div class="form-group">
-                        <?= Html::submitButton('Submit', ['class' => 'btn btn-primary', 'name' => 'contact-button']) ?>
-                    </div>
-
-                <?php ActiveForm::end(); ?>
-
-            </div>
-        </div>
-
-    <?php endif; ?>
-</div>
diff --git a/views/site/login.php b/views/site/login.php
deleted file mode 100644
index 48ad7f6..0000000
--- a/views/site/login.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-/** @var yii\web\View $this */
-/** @var yii\bootstrap5\ActiveForm $form */
-
-/** @var app\models\LoginForm $model */
-
-use yii\bootstrap5\ActiveForm;
-use yii\bootstrap5\Html;
-
-$this->title = '这里是弃用的登录,请不要在这里登录,开发后期将会移除这个页面';
-$this->params['breadcrumbs'][] = $this->title;
-?>
-<div class="site-login">
-    <h1><?= Html::encode($this->title) ?></h1>
-
-    <p>Please fill out the following fields to login:</p>
-
-    <div class="row">
-        <div class="col-lg-5">
-
-            <?php $form = ActiveForm::begin([
-                'id' => 'login-form',
-                'fieldConfig' => [
-                    'template' => "{label}\n{input}\n{error}",
-                    'labelOptions' => ['class' => 'col-lg-1 col-form-label mr-lg-3'],
-                    'inputOptions' => ['class' => 'col-lg-3 form-control'],
-                    'errorOptions' => ['class' => 'col-lg-7 invalid-feedback'],
-                ],
-            ]); ?>
-
-            <?= $form->field($model, 'username')->textInput(['autofocus' => true]) ?>
-
-            <?= $form->field($model, 'password')->passwordInput() ?>
-
-            <?= $form->field($model, 'rememberMe')->checkbox([
-                'template' => "<div class=\"custom-control custom-checkbox\">{input} {label}</div>\n<div class=\"col-lg-8\">{error}</div>",
-            ]) ?>
-
-            <div class="form-group">
-                <div>
-                    <?= Html::submitButton('Login', ['class' => 'btn btn-primary', 'name' => 'login-button']) ?>
-                </div>
-            </div>
-
-            <?php ActiveForm::end(); ?>
-
-            <div style="color:#999;">
-                You may login with <strong>admin/admin</strong> or <strong>demo/demo</strong>.<br>
-                To modify the username/password, please check out the code <code>app\models\User::$users</code>.
-            </div>
-
-        </div>
-    </div>
-</div>
diff --git a/views/site/say.php b/views/site/say.php
deleted file mode 100644
index f025126..0000000
--- a/views/site/say.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-use yii\helpers\Html;
-?>
-<?=
-/** @var string $message */
-Html::encode($message)
-?>
diff --git a/views/user/info.php b/views/user/info.php
index da050b3..9f1bd52 100644
--- a/views/user/info.php
+++ b/views/user/info.php
@@ -29,8 +29,6 @@ use yii\bootstrap5\ActiveForm;
 use yii\bootstrap5\Html;
 use yii\bootstrap5\Modal;
 use yii\data\ActiveDataProvider;
-use yii\grid\ActionColumn;
-use yii\grid\GridView;
 use yii\helpers\Url;
 use yii\web\JqueryAsset;
 use yii\web\View;
diff --git a/views/user/view.php b/views/user/view.php
index 8f6d78e..3366036 100644
--- a/views/user/view.php
+++ b/views/user/view.php
@@ -1,6 +1,7 @@
 <?php
 
 use yii\helpers\Html;
+use yii\web\YiiAsset;
 use yii\widgets\DetailView;
 
 /** @var yii\web\View $this */
@@ -9,7 +10,7 @@ use yii\widgets\DetailView;
 $this->title = $model->id;
 $this->params['breadcrumbs'][] = ['label' => 'Users', 'url' => ['index']];
 $this->params['breadcrumbs'][] = $this->title;
-\yii\web\YiiAsset::register($this);
+YiiAsset::register($this);
 ?>
 <div class="user-view">