diff --git a/composer.json b/composer.json
index af3c9b4688..b8f8b8eebe 100644
--- a/composer.json
+++ b/composer.json
@@ -53,6 +53,7 @@
         "sort-packages": true
     },
     "scripts": {
-        "php-cs-fixer": "php-cs-fixer fix src/ --rules=@PER-CS2.0 --dry-run --diff"
+        "php-cs-fixer": "php-cs-fixer fix src/ --rules=@PER-CS2.0 --dry-run --diff",
+        "test": "./vendor/bin/phpunit --colors=always"
     }
 }
diff --git a/src/think/App.php b/src/think/App.php
index f4dcc2f99b..a3e26f534a 100644
--- a/src/think/App.php
+++ b/src/think/App.php
@@ -45,79 +45,79 @@ class App extends Container
      * 应用调试模式
      * @var bool
      */
-    protected $appDebug = false;
+    protected bool $appDebug = false;
 
     /**
      * 公共环境变量标识
      * @var string
      */
-    protected $baseEnvName = '';
+    protected string $baseEnvName = '';
 
     /**
      * 环境变量标识
      * @var string
      */
-    protected $envName = '';
+    protected string $envName = '';
 
     /**
      * 应用开始时间
      * @var float
      */
-    protected $beginTime;
+    protected float $beginTime;
 
     /**
      * 应用内存初始占用
      * @var integer
      */
-    protected $beginMem;
+    protected int $beginMem;
 
     /**
      * 当前应用类库命名空间
      * @var string
      */
-    protected $namespace = 'app';
+    protected string $namespace = 'app';
 
     /**
      * 应用根目录
      * @var string
      */
-    protected $rootPath = '';
+    protected string $rootPath = '';
 
     /**
      * 框架目录
      * @var string
      */
-    protected $thinkPath = '';
+    protected string $thinkPath = '';
 
     /**
      * 应用目录
      * @var string
      */
-    protected $appPath = '';
+    protected string $appPath = '';
 
     /**
      * Runtime目录
      * @var string
      */
-    protected $runtimePath = '';
+    protected string $runtimePath = '';
 
     /**
      * 路由定义目录
      * @var string
      */
-    protected $routePath = '';
+    protected string $routePath = '';
 
     /**
      * 配置后缀
      * @var string
      */
-    protected $configExt = '.php';
+    protected string $configExt = '.php';
 
     /**
      * 应用初始化器
      * @var array
      */
-    protected $initializers = [
+    protected array $initializers = [
         Error::class,
         RegisterService::class,
         BootService::class,
@@ -127,13 +127,13 @@ class App extends Container
      * 注册的系统服务
      * @var array
      */
-    protected $services = [];
+    protected array $services = [];
 
     /**
      * 初始化
      * @var bool
      */
-    protected $initialized = false;
+    protected bool $initialized = false;
 
     /**
      * 容器绑定标识
@@ -195,7 +195,7 @@ public function __construct(string $rootPath = '')
      * @param bool           $force   强制重新注册
      * @return Service|null
      */
-    public function register(Service | string $service, bool $force = false)
+    public function register(Service | string $service, bool $force = false): ?Service
     {
         $registered = $this->getService($service);
 
@@ -216,19 +216,22 @@ public function register(Service | string $service, bool $force = false)
         }
 
         $this->services[] = $service;
+
+        return null;
     }
 
     /**
      * 执行服务
      * @access public
      * @param Service $service 服务
-     * @return mixed
      */
-    public function bootService(Service $service)
+    public function bootService(Service $service): ?Service
     {
         if (method_exists($service, 'boot')) {
             return $this->invoke([$service, 'boot']);
         }
+
+        return null;
     }
 
     /**
@@ -250,7 +253,7 @@ public function getService(Service | string $service): ?Service
      * @param bool $debug 开启应用调试模式
      * @return $this
      */
-    public function debug(bool $debug = true)
+    public function debug(bool $debug = true): static
     {
         $this->appDebug = $debug;
         return $this;
@@ -272,7 +275,7 @@ public function isDebug(): bool
      * @param string $namespace 应用命名空间
      * @return $this
      */
-    public function setNamespace(string $namespace)
+    public function setNamespace(string $namespace): static
     {
         $this->namespace = $namespace;
         return $this;
@@ -294,24 +297,45 @@ public function getNamespace(): string
      * @param string $name 环境标识
      * @return $this
      */
-    public function setBaseEnvName(string $name)
+    public function setBaseEnvName(string $name): static
     {
         $this->baseEnvName = $name;
         return $this;
     }
 
+    /**
+     * 获取公共环境变量标识
+     * @access public
+     * @return string
+     */
+    public function getBaseEnvName(): string
+    {
+        return $this->baseEnvName;
+    }
+
     /**
      * 设置环境变量标识
      * @access public
      * @param string $name 环境标识
      * @return $this
      */
-    public function setEnvName(string $name)
+    public function setEnvName(string $name): static
     {
         $this->envName = $name;
         return $this;
     }
 
+    /**
+     * 获取环境变量标识
+     * @access public
+     * @return string
+     */
+    public function getEnvName(): string
+    {
+        $envName = $this->env->get('env_name', '');
+        return $this->envName ?? (string) $envName;
+    }
+
     /**
      * 获取框架版本
      * @access public
@@ -356,7 +380,7 @@ public function getAppPath(): string
      * 设置应用目录
      * @param string $path 应用目录
      */
-    public function setAppPath(string $path)
+    public function setAppPath(string $path): void
     {
         $this->appPath = $path;
     }
@@ -420,6 +444,18 @@ public function getBeginTime(): float
         return $this->beginTime;
     }
 
+    /**
+     * 设置应用开启时间
+     * @access public
+     * @param float $beginTime
+     * @return $this
+     */
+    public function setBeginTime(float $beginTime): static
+    {
+        $this->beginTime = $beginTime;
+        return $this;
+    }
+
     /**
      * 获取应用初始内存占用
      * @access public
@@ -430,6 +466,17 @@ public function getBeginMem(): int
         return $this->beginMem;
     }
 
+    /**
+     * 设置应用初始内存占用
+     * @access public
+     * @return $this
+     */
+    public function setBeginMem(int $beginMem): static
+    {
+        $this->beginMem = $beginMem;
+        return $this;
+    }
+
     /**
      * 加载环境变量定义
      * @access public
@@ -451,20 +498,22 @@ public function loadEnv(string $envName = ''): void
      * @access public
      * @return $this
      */
-    public function initialize()
+    public function initialize(): static
     {
         $this->initialized = true;
 
-        $this->beginTime = microtime(true);
-        $this->beginMem  = memory_get_usage();
+        // 设置应用开启时间
+        $this->setBeginTime(microtime(true))
+            ->setBeginMem(memory_get_usage());
 
         // 加载环境变量
-        if ($this->baseEnvName) {
-            $this->loadEnv($this->baseEnvName);
+        $baseEnvName = $this->getBaseEnvName();
+        if ($baseEnvName) {
+            $this->loadEnv($baseEnvName);
         }
 
-        $this->envName = $this->envName ?: (string) $this->env->get('env_name', '');
-        $this->loadEnv($this->envName);
+        $envName = $this->getEnvName();
+        $this->loadEnv($envName);
 
         $this->configExt = $this->env->get('config_ext', '.php');
 
@@ -493,7 +542,7 @@ public function initialize()
      * 是否初始化过
      * @return bool
      */
-    public function initialized()
+    public function initialized(): bool
     {
         return $this->initialized;
     }
@@ -569,7 +618,7 @@ protected function debugModeInit(): void
     {
         // 应用调试模式
         if (!$this->appDebug) {
-            $this->appDebug = $this->env->get('app_debug') ? true : false;
+            $this->appDebug = (bool) $this->env->get('app_debug');
         }
 
         if (!$this->appDebug) {
diff --git a/src/think/Cookie.php b/src/think/Cookie.php
index 1d024a584f..69113f68e0 100644
--- a/src/think/Cookie.php
+++ b/src/think/Cookie.php
@@ -111,6 +111,7 @@ public function set(string $name, string $value, $option = null): void
         }
 
         $this->setCookie($name, $value, $expire, $config);
+        $this->request->setCookie($name, $value);
     }
 
     /**
@@ -158,6 +159,7 @@ public function delete(string $name, array $options = []): void
     {
         $config = array_merge($this->config, array_change_key_case($options));
         $this->setCookie($name, '', time() - 3600, $config);
+        $this->request->setCookie($name, null);
     }
 
     /**
diff --git a/src/think/Request.php b/src/think/Request.php
index 2dc4502905..ef585ffcb3 100644
--- a/src/think/Request.php
+++ b/src/think/Request.php
@@ -2018,6 +2018,18 @@ public function withCookie(array $cookie)
         return $this;
     }
 
+    /**
+     * 更新COOKIE数据
+     * @access public
+     * @param string $name  cookie名
+     * @param mixed  $value 数据
+     * @return void
+     */
+    public function setCookie(string $name, mixed $value)
+    {
+        $this->cookie[$name] = $value;
+    }
+
     /**
      * 设置SESSION数据
      * @access public
diff --git a/src/think/Service.php b/src/think/Service.php
index 9d0559f23a..26fff53c57 100644
--- a/src/think/Service.php
+++ b/src/think/Service.php
@@ -8,7 +8,7 @@
 // +----------------------------------------------------------------------
 // | Author: yunwuxin <448901948@qq.com>
 // +----------------------------------------------------------------------
-declare(strict_types=1);
+declare (strict_types = 1);
 
 namespace think;
 
@@ -31,7 +31,7 @@ public function __construct(protected App $app)
      * @access protected
      * @param string $path 路由路径
      */
-    protected function loadRoutesFrom(string $path)
+    protected function loadRoutesFrom(string $path): void
     {
         $this->registerRoutes(function () use ($path) {
             include $path;
@@ -42,7 +42,7 @@ protected function loadRoutesFrom(string $path)
      * 注册路由
      * @param Closure $closure
      */
-    protected function registerRoutes(Closure $closure)
+    protected function registerRoutes(Closure $closure): void
     {
         $this->app->event->listen(RouteLoaded::class, $closure);
     }
@@ -52,7 +52,7 @@ protected function registerRoutes(Closure $closure)
      * @access protected
      * @param array|string $commands 指令
      */
-    protected function commands($commands)
+    protected function commands(array | string $commands): void
     {
         $commands = is_array($commands) ? $commands : func_get_args();
 
diff --git a/src/think/initializer/RegisterService.php b/src/think/initializer/RegisterService.php
index 77c62b8669..6fe0371f38 100644
--- a/src/think/initializer/RegisterService.php
+++ b/src/think/initializer/RegisterService.php
@@ -8,7 +8,7 @@
 // +----------------------------------------------------------------------
 // | Author: yunwuxin <448901948@qq.com>
 // +----------------------------------------------------------------------
-declare(strict_types=1);
+declare (strict_types = 1);
 
 namespace think\initializer;
 
@@ -23,13 +23,13 @@
 class RegisterService
 {
 
-    protected $services = [
+    protected array $services = [
         PaginatorService::class,
         ValidateService::class,
         ModelService::class,
     ];
 
-    public function init(App $app)
+    public function init(App $app): void
     {
         $file = $app->getRootPath() . 'vendor/services.php';
 
diff --git a/src/think/route/dispatch/Callback.php b/src/think/route/dispatch/Callback.php
index 26614ccbff..987d0bdab0 100644
--- a/src/think/route/dispatch/Callback.php
+++ b/src/think/route/dispatch/Callback.php
@@ -22,7 +22,7 @@ class Callback extends Dispatch
     public function exec()
     {
         // 执行回调方法
-        $vars = array_merge($this->request->param(), $this->param);
+        $vars = array_merge($this->request->get(), $this->param);
 
         return $this->app->invoke($this->dispatch, $vars);
     }
diff --git a/src/think/route/dispatch/Controller.php b/src/think/route/dispatch/Controller.php
index c36e521a87..9417a60916 100644
--- a/src/think/route/dispatch/Controller.php
+++ b/src/think/route/dispatch/Controller.php
@@ -87,7 +87,7 @@ public function exec()
                 $action = $this->actionName . $suffix;
 
                 if (is_callable([$instance, $action])) {
-                    $vars = $this->request->param();
+                    $vars = array_merge($this->request->get(), $this->param);
                     try {
                         $reflect = new ReflectionMethod($instance, $action);
                         // 严格获取当前操作方法名
diff --git a/tests/AppTest.php b/tests/AppTest.php
index 2f7307581b..5112946e58 100644
--- a/tests/AppTest.php
+++ b/tests/AppTest.php
@@ -16,7 +16,7 @@
 
 class SomeService extends Service
 {
-    public $bind = [
+    public array $bind = [
         'some' => 'class',
     ];
 
@@ -126,10 +126,10 @@ public function testPath()
 
     /**
      * @param vfsStreamDirectory $root
-     * @param bool               $debug
+     * @param bool $debug
      * @return App
      */
-    protected function prepareAppForInitialize(vfsStreamDirectory $root, $debug = true)
+    protected function prepareAppForInitialize(vfsStreamDirectory $root, bool $debug = true): App
     {
         $rootPath = $root->url() . DIRECTORY_SEPARATOR;
 
@@ -204,4 +204,25 @@ public function testParseClass()
         $this->assertEquals('app2\\controller\\SomeClass', $this->app->parseClass('controller', 'some_class'));
     }
 
+    public function testBaseEnvName()
+    {
+        $name = 'test';
+        $this->app->setBaseEnvName($name);
+        $this->assertEquals($name, $this->app->getBaseEnvName());
+    }
+
+    public function testEnvName()
+    {
+        $this->assertEquals('', $this->app->getEnvName());
+        $name = 'test';
+        $this->app->setEnvName($name);
+        $this->assertEquals($name, $this->app->getEnvName());
+    }
+
+    public function testBeginTime()
+    {
+        $name = microtime(true);
+        $this->app->setBeginTime($name);
+        $this->assertEquals($name, $this->app->getBeginTime());
+    }
 }