diff --git a/app/Console/Commands/ClearUser.php b/app/Console/Commands/ClearUser.php
index 30eb338..cd64abe 100644
--- a/app/Console/Commands/ClearUser.php
+++ b/app/Console/Commands/ClearUser.php
@@ -45,7 +45,7 @@ class ClearUser extends Command
             ->where('last_login_at', NULL);
         $count = $builder->count();
         if ($builder->delete()) {
-            $this->info("已删除${count}位没有任何数据的用户");
+            $this->info("已删除{$count}位没有任何数据的用户");
         }
     }
 }
diff --git a/app/Http/Controllers/V1/Client/ClientController.php b/app/Http/Controllers/V1/Client/ClientController.php
index f115c20..832f9d6 100644
--- a/app/Http/Controllers/V1/Client/ClientController.php
+++ b/app/Http/Controllers/V1/Client/ClientController.php
@@ -107,7 +107,7 @@ class ClientController extends Controller
 
     private function getFilterArray(?string $filter): ?array
     {
-        return mb_strlen($filter ?? '') > 20 ? null :
+        return mb_strlen((string) $filter) > 20 ? null :
             explode('|', str_replace(['|', '｜', ','], '|', $filter));
     }
 
diff --git a/app/Http/Controllers/V1/Server/UniProxyController.php b/app/Http/Controllers/V1/Server/UniProxyController.php
index e5330b0..645f6ff 100644
--- a/app/Http/Controllers/V1/Server/UniProxyController.php
+++ b/app/Http/Controllers/V1/Server/UniProxyController.php
@@ -32,7 +32,7 @@ class UniProxyController extends Controller
         $response['users'] = $users;
 
         $eTag = sha1(json_encode($response));
-        if (strpos($request->header('If-None-Match'), $eTag) !== false) {
+        if (strpos($request->header('If-None-Match', ''), $eTag) !== false) {
             return response(null, 304);
         }
 
diff --git a/app/Http/Controllers/V1/User/ServerController.php b/app/Http/Controllers/V1/User/ServerController.php
index b2f7b15..f12b005 100644
--- a/app/Http/Controllers/V1/User/ServerController.php
+++ b/app/Http/Controllers/V1/User/ServerController.php
@@ -20,7 +20,7 @@ class ServerController extends Controller
             $servers = ServerService::getAvailableServers($user);
         }
         $eTag = sha1(json_encode(array_column($servers, 'cache_key')));
-        if (strpos($request->header('If-None-Match'), $eTag) !== false ) {
+        if (strpos($request->header('If-None-Match', ''), $eTag) !== false ) {
             return response(null,304);
         }
         $data = NodeResource::collection($servers);
diff --git a/app/Protocols/Clash.php b/app/Protocols/Clash.php
index 00f012d..187f386 100644
--- a/app/Protocols/Clash.php
+++ b/app/Protocols/Clash.php
@@ -231,6 +231,9 @@ class Clash implements ProtocolInterface
 
     private function isRegex($exp)
     {
-        return @preg_match($exp, null) !== false;
+        if (empty($exp)) {
+            return false;
+        }
+        return @preg_match((string)$exp, '') !== false;
     }
 }
diff --git a/app/Protocols/ClashMeta.php b/app/Protocols/ClashMeta.php
index 21af0bc..70078d5 100644
--- a/app/Protocols/ClashMeta.php
+++ b/app/Protocols/ClashMeta.php
@@ -333,6 +333,9 @@ class ClashMeta implements ProtocolInterface
 
     private function isRegex($exp)
     {
-        return @preg_match($exp, null) !== false;
+        if (empty($exp)) {
+            return false;
+        }
+        return @preg_match($exp, '') !== false;
     }
 }
diff --git a/app/Protocols/Stash.php b/app/Protocols/Stash.php
index 2b14165..179dcc2 100644
--- a/app/Protocols/Stash.php
+++ b/app/Protocols/Stash.php
@@ -284,7 +284,10 @@ class Stash implements ProtocolInterface
 
     private function isRegex($exp)
     {
-        return @preg_match($exp, null) !== false;
+        if (empty($exp)) {
+            return false;
+        }
+        return @preg_match($exp, '') !== false;
     }
 
     private function isMatch($exp, $str)
diff --git a/config/logging.php b/config/logging.php
index beb2834..3e3e90e 100755
--- a/config/logging.php
+++ b/config/logging.php
@@ -100,6 +100,13 @@ return [
             'driver' => 'errorlog',
             'level' => 'debug',
         ],
+
+        'deprecations' => [
+            'driver' => 'daily',
+            'path' => storage_path('logs/deprecations.log'),
+            'level' => 'debug',
+            'days' => 14,
+        ],
     ],
 
 ];
diff --git a/routes/websocket.php b/routes/websocket.php
deleted file mode 100644
index ddebfe1..0000000
--- a/routes/websocket.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-
-use Illuminate\Http\Request;
-use SwooleTW\Http\Websocket\Facades\Websocket;
-
-/*
-|--------------------------------------------------------------------------
-| Websocket Routes
-|--------------------------------------------------------------------------
-|
-| Here is where you can register websocket events for your application.
-|
-*/
-
-Websocket::on('connect', function ($websocket, Request $request) {
-    // called while socket on connect
-});
-
-Websocket::on('disconnect', function ($websocket) {
-    // called while socket on disconnect
-});
-
-Websocket::on('example', function ($websocket, $data) {
-    $websocket->emit('message', $data);
-});
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
deleted file mode 100755
index 5fa7829..0000000
--- a/tests/Bootstrap.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-namespace Tests;
-
-use Illuminate\Contracts\Console\Kernel;
-use PHPUnit\Runner\AfterLastTestHook;
-use PHPUnit\Runner\BeforeFirstTestHook;
-
-class Bootstrap implements BeforeFirstTestHook, AfterLastTestHook
-{
-    /*
-    |--------------------------------------------------------------------------
-    | Bootstrap The Test Environment
-    |--------------------------------------------------------------------------
-    |
-    | You may specify console commands that execute once before your test is
-    | run. You are free to add your own additional commands or logic into
-    | this file as needed in order to help your test suite run quicker.
-    |
-    */
-
-    use CreatesApplication;
-
-    public function executeBeforeFirstTest(): void
-    {
-        $console = $this->createApplication()->make(Kernel::class);
-
-        $commands = [
-            'config:cache',
-            'event:cache',
-        ];
-
-        foreach ($commands as $command) {
-            $console->call($command);
-        }
-    }
-
-    public function executeAfterLastTest(): void
-    {
-        array_map('unlink', glob('bootstrap/cache/*.phpunit.php'));
-    }
-}
diff --git a/tests/CreatesApplication.php b/tests/CreatesApplication.php
deleted file mode 100755
index ab92402..0000000
--- a/tests/CreatesApplication.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-namespace Tests;
-
-use Illuminate\Contracts\Console\Kernel;
-
-trait CreatesApplication
-{
-    /**
-     * Creates the application.
-     *
-     * @return \Illuminate\Foundation\Application
-     */
-    public function createApplication()
-    {
-        $app = require __DIR__ . '/../bootstrap/app.php';
-
-        $app->make(Kernel::class)->bootstrap();
-
-        return $app;
-    }
-}
diff --git a/tests/Feature/ExampleTest.php b/tests/Feature/ExampleTest.php
deleted file mode 100755
index cdb5111..0000000
--- a/tests/Feature/ExampleTest.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use Illuminate\Foundation\Testing\RefreshDatabase;
-use Tests\TestCase;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $response = $this->get('/');
-
-        $response->assertStatus(200);
-    }
-}
diff --git a/tests/TestCase.php b/tests/TestCase.php
deleted file mode 100755
index 2932d4a..0000000
--- a/tests/TestCase.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-namespace Tests;
-
-use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
-
-abstract class TestCase extends BaseTestCase
-{
-    use CreatesApplication;
-}
diff --git a/tests/Unit/ExampleTest.php b/tests/Unit/ExampleTest.php
deleted file mode 100755
index 266ef35..0000000
--- a/tests/Unit/ExampleTest.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use Illuminate\Foundation\Testing\RefreshDatabase;
-use Tests\TestCase;
-
-class ExampleTest extends TestCase
-{
-    /**
-     * A basic test example.
-     *
-     * @return void
-     */
-    public function testBasicTest()
-    {
-        $this->assertTrue(true);
-    }
-}