diff --git a/types/Helpers/Command/Functions.php b/types/Helpers/Command/Functions.php
new file mode 100644
index 000000000..af1c3d043
--- /dev/null
+++ b/types/Helpers/Command/Functions.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of friendsofhyperf/components.
+ *
+ * @link     https://github.com/friendsofhyperf/components
+ * @document https://github.com/friendsofhyperf/components/blob/main/README.md
+ * @contact  huangdijia@gmail.com
+ */
+
+use function FriendsOfHyperf\Helpers\Command\call;
+use function PHPStan\Testing\assertType;
+
+// call() tests
+assertType('int', call('command:name'));
+assertType('int', call('command:name', ['arg' => 'value']));
diff --git a/types/Helpers/Functions.php b/types/Helpers/Functions.php
index 4d5a0076a..98f5d3000 100644
--- a/types/Helpers/Functions.php
+++ b/types/Helpers/Functions.php
@@ -8,14 +8,181 @@
  * @document https://github.com/friendsofhyperf/components/blob/main/README.md
  * @contact  huangdijia@gmail.com
  */
+use Carbon\Carbon;
+use FriendsOfHyperf\Support\Environment;
+use Hyperf\Contract\SessionInterface;
+use Hyperf\HttpMessage\Cookie\Cookie;
+use Hyperf\HttpMessage\Cookie\CookieJarInterface;
+use Hyperf\HttpServer\Contract\RequestInterface;
+use Hyperf\HttpServer\Contract\ResponseInterface;
 use Hyperf\Support\Fluent;
+use Hyperf\Validation\Contract\ValidatorFactoryInterface;
+use Hyperf\Validation\Contract\ValidatorInterface;
+use Psr\Container\ContainerInterface;
+use Psr\EventDispatcher\EventDispatcherInterface;
+use Psr\Log\LoggerInterface;
+use Psr\SimpleCache\CacheInterface;
 
 use function FriendsOfHyperf\Helpers\app;
 use function FriendsOfHyperf\Helpers\base_path;
+use function FriendsOfHyperf\Helpers\blank;
+use function FriendsOfHyperf\Helpers\cache;
+use function FriendsOfHyperf\Helpers\class_namespace;
+use function FriendsOfHyperf\Helpers\cookie;
+use function FriendsOfHyperf\Helpers\di;
+use function FriendsOfHyperf\Helpers\dispatch;
+use function FriendsOfHyperf\Helpers\enum_value;
+use function FriendsOfHyperf\Helpers\environment;
+use function FriendsOfHyperf\Helpers\event;
+use function FriendsOfHyperf\Helpers\filled;
+use function FriendsOfHyperf\Helpers\fluent;
+use function FriendsOfHyperf\Helpers\get_client_ip;
+use function FriendsOfHyperf\Helpers\info;
+use function FriendsOfHyperf\Helpers\literal;
+use function FriendsOfHyperf\Helpers\logger;
+use function FriendsOfHyperf\Helpers\logs;
+use function FriendsOfHyperf\Helpers\now;
+use function FriendsOfHyperf\Helpers\object_get;
+use function FriendsOfHyperf\Helpers\preg_replace_array;
+use function FriendsOfHyperf\Helpers\request;
+use function FriendsOfHyperf\Helpers\rescue;
+use function FriendsOfHyperf\Helpers\resolve;
+use function FriendsOfHyperf\Helpers\response;
+use function FriendsOfHyperf\Helpers\session;
+use function FriendsOfHyperf\Helpers\throw_if;
+use function FriendsOfHyperf\Helpers\throw_unless;
+use function FriendsOfHyperf\Helpers\today;
+use function FriendsOfHyperf\Helpers\transform;
+use function FriendsOfHyperf\Helpers\validator;
+use function FriendsOfHyperf\Helpers\when;
 use function PHPStan\Testing\assertType;
 
+// app() tests
+assertType('mixed', app());
+assertType('Hyperf\Support\Fluent', app(Fluent::class));
+assertType('Closure', app(fn() => 'test'));
+
+// base_path() tests
 assertType('string', base_path());
 assertType('string', base_path('foo/bar'));
 
-assertType('mixed', app());
-assertType('mixed', app(Fluent::class));
+// blank() tests
+assertType('bool', blank(null));
+assertType('bool', blank(''));
+assertType('bool', blank('test'));
+assertType('bool', blank([]));
+
+// cache() tests
+assertType('Psr\SimpleCache\CacheInterface', cache());
+assertType('mixed', cache('key'));
+
+// class_namespace() tests
+assertType('string', class_namespace(Fluent::class));
+assertType('string', class_namespace(new Fluent()));
+
+// di() tests
+assertType('Psr\Container\ContainerInterface', di());
+assertType('Hyperf\Support\Fluent', di(Fluent::class));
+
+// enum_value() tests
+assertType('mixed', enum_value('test'));
+assertType('string', enum_value('test', 'default'));
+
+// event() tests
+$testEvent = new class() {};
+assertType('class@anonymous*', event($testEvent));
+
+// filled() tests
+assertType('bool', filled(null));
+assertType('bool', filled('test'));
+
+// fluent() tests
+assertType('Hyperf\Support\Fluent', fluent([]));
+assertType('Hyperf\Support\Fluent', fluent(['key' => 'value']));
+
+// get_client_ip() tests
+assertType('string', get_client_ip());
+
+// literal() tests
+assertType('stdClass', literal());
+assertType('stdClass', literal(key: 'value'));
+
+// logger() tests
+assertType('Psr\Log\LoggerInterface', logger());
+assertType('mixed', logger('test message'));
+
+// logs() tests
+assertType('Psr\Log\LoggerInterface', logs());
+assertType('Psr\Log\LoggerInterface', logs('custom'));
+
+// object_get() tests
+$obj = (object)['key' => 'value'];
+assertType('stdClass', object_get($obj));
+assertType('mixed', object_get($obj, 'key'));
+
+// preg_replace_array() tests
+assertType('string', preg_replace_array('/test/', ['replacement'], 'test string'));
+
+// request() tests
+assertType('Hyperf\HttpServer\Contract\RequestInterface', request());
+assertType('mixed', request('key'));
+assertType('array', request(['key1', 'key2']));
+
+// rescue() tests
+assertType('string', rescue(fn() => 'result'));
+assertType('string', rescue(fn() => throw new \Exception(), 'fallback'));
+
+// resolve() tests
+assertType('Hyperf\Support\Fluent', resolve(Fluent::class));
+assertType('Closure', resolve(fn() => 'test'));
+
+// response() tests
+assertType('Psr\Http\Message\ResponseInterface', response());
+assertType('Psr\Http\Message\ResponseInterface', response('content'));
+
+// throw_if() tests
+assertType('bool', throw_if(false, 'Exception'));
+
+// throw_unless() tests
+assertType('bool', throw_unless(true, 'Exception'));
+
+// transform() tests
+assertType('string', transform('value', fn($v) => $v));
+assertType('mixed', transform(null, fn($v) => $v));
+
+// validator() tests
+assertType('Hyperf\Validation\Contract\ValidatorFactoryInterface', validator());
+assertType('Hyperf\Contract\ValidatorInterface', validator([], []));
+
+// when() tests
+assertType('mixed', when(true, 'value'));
+assertType('mixed', when(false, 'value', 'default'));
+
+// cookie() tests
+assertType('Hyperf\HttpMessage\Cookie\CookieJarInterface', cookie());
+assertType('Hyperf\HttpMessage\Cookie\Cookie', cookie('name', 'value'));
+
+// dispatch() tests - returns bool
+// Note: dispatch() has complex return types based on job type, testing the common case
+assertType('bool', dispatch(new class implements \Hyperf\AsyncQueue\JobInterface {
+    public function handle() {}
+}));
+
+// environment() tests
+assertType('FriendsOfHyperf\Support\Environment|bool', environment());
+assertType('bool', environment('production'));
+
+// info() tests
+assertType('mixed', info('message'));
+
+// now() tests
+assertType('Carbon\Carbon', now());
+assertType('Carbon\Carbon', now('UTC'));
+
+// session() tests
+assertType('Hyperf\Contract\SessionInterface', session());
+assertType('mixed', session('key'));
+
+// today() tests
+assertType('Carbon\Carbon', today());
+assertType('Carbon\Carbon', today('UTC'));