diff --git a/tests/ZM/Utils/MessageUtilTest.php b/tests/ZM/Utils/MessageUtilTest.php
new file mode 100644
index 00000000..131e00d8
--- /dev/null
+++ b/tests/ZM/Utils/MessageUtilTest.php
@@ -0,0 +1,168 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZM\Tests\ZM\Utils;
+
+use PHPUnit\Framework\TestCase;
+use ZM\Annotation\CQ\CQCommand;
+use ZM\Event\EventManager;
+use ZM\Utils\DataProvider;
+use ZM\Utils\MessageUtil;
+
+class MessageUtilTest extends TestCase
+{
+    public function testAddShortCommand(): void
+    {
+        // 此处需要进行 Worker 间通信，无法测试
+//        EventManager::$events[CQCommand::class] = [];
+//        MessageUtil::addShortCommand('test', 'test');
+//        $this->assertCount(1, EventManager::$events[CQCommand::class]);
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @dataProvider providerTestContainsImage
+     */
+    public function testContainsImage($msg, $expected): void
+    {
+        $this->assertEquals($expected, MessageUtil::containsImage($msg));
+    }
+
+    public function providerTestContainsImage(): array
+    {
+        return [
+            'empty' => ['', false],
+            'text only' => ['hello world', false],
+            'image only' => ['[CQ:image,file=123456.jpg]', true],
+            'image' => ['hello world![CQ:image,file=123456.jpg]', true],
+            'two image' => ['hello world![CQ:image,file=123456.jpg][CQ:image,file=123456.jpg]', true],
+//            'malformed image' => ['[CQ:image,file=]', false],
+        ];
+    }
+
+    public function testGenerateCommandHelp(): void
+    {
+        // 因为内部使用了 WorkerCache，而我们暂时无法模拟 WorkerCache，所以此处无法进行测试
+//        EventManager::$events[CQCommand::class] = [
+//            new CQCommand('测试命令'),
+//            new CQCommand('测试命令2', '执行命令*'),
+//        ];
+//        $help = MessageUtil::generateCommandHelp();
+//        $this->assertEquals('测试命令', $help[0]);
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @dataProvider providerTestArrayToStr
+     */
+    public function testArrayToStr($array, $expected): void
+    {
+        $this->assertEquals($expected, MessageUtil::arrayToStr($array));
+    }
+
+    public function providerTestArrayToStr(): array
+    {
+        $tmp = $this->providerTestStrToArray();
+        $result = [];
+        foreach ($tmp as $desc => $case) {
+            $result[$desc] = [$case[1], $case[0]];
+        }
+        return $result;
+    }
+
+    public function testMatchCommand(): void
+    {
+        // 这里理论上需要覆盖所有条件，但先暂时这样好了
+        EventManager::$events[CQCommand::class] = [
+            new CQCommand('测试命令'),
+        ];
+        $this->assertEquals(true, MessageUtil::matchCommand('测试命令', [
+            'user_id' => '123456',
+            'group_id' => '123456',
+            'message_type' => 'group',
+        ])->status);
+    }
+
+    /**
+     * @dataProvider providerTestIsAtMe
+     */
+    public function testIsAtMe($msg, $expected): void
+    {
+        $this->assertEquals($expected, MessageUtil::isAtMe($msg, 123456789));
+    }
+
+    public function providerTestIsAtMe(): array
+    {
+        return [
+            'me only' => ['[CQ:at,qq=123456789]', true],
+            'empty qq' => ['[CQ:at,qq=]', false],
+            'message behind' => ['[CQ:at,qq=123456789] hello', true],
+            'message front' => ['hello [CQ:at,qq=123456789]', true],
+            'message surround' => ['hello [CQ:at,qq=123456789] world', true],
+            'not at me' => ['hello world', false],
+            'other' => ['[CQ:at,qq=123456789] hello [CQ:at,qq=987654321]', true],
+            'other only' => ['[CQ:at,qq=987654321]', false],
+        ];
+    }
+
+    public function testGetImageCQFromLocal(): void
+    {
+        file_put_contents('/tmp/test.jpg', 'test');
+        $this->assertEquals('[CQ:image,file=base64://' . base64_encode('test') . ']', MessageUtil::getImageCQFromLocal('/tmp/test.jpg'));
+        unlink('/tmp/test.jpg');
+    }
+
+    /**
+     * @dataProvider providerTestStrToArray
+     */
+    public function testStrToArray($str, $expected): void
+    {
+        $this->assertEquals($expected, MessageUtil::strToArray($str));
+    }
+
+    public function providerTestStrToArray(): array
+    {
+        $text = static function ($str): array {
+            return ['type' => 'text', 'data' => ['text' => $str]];
+        };
+
+        return [
+            'empty string' => ['', []],
+            'pure string' => ['foobar', [$text('foobar')]],
+            'spaced string' => ['hello world', [$text('hello world')]],
+            'spaced and multiline string' => ["hello\n  world", [$text("hello\n  world")]],
+            'string containing CQ' => ['[CQ:at,qq=123456789]', [['type' => 'at', 'data' => ['qq' => '123456789']]]],
+        ];
+    }
+
+    /**
+     * @dataProvider providerTestSplitCommand
+     */
+    public function testSplitCommand($msg, $expected): void
+    {
+        $this->assertEquals($expected, MessageUtil::splitCommand($msg));
+    }
+
+    public function providerTestSplitCommand(): array
+    {
+        return [
+            'spaced' => ['hello world', ['hello', 'world']],
+            'multiline' => ["hello\nworld", ['hello', 'world']],
+            'many spaces' => ['hello    world', ['hello', 'world']],
+            'many spaces and multiline' => ["hello\n    world", ['hello', 'world']],
+            'many parts' => ['hello world foo bar', ['hello', 'world', 'foo', 'bar']],
+        ];
+    }
+
+    public function testDownloadCQImage(): void
+    {
+        @unlink(DataProvider::getDataFolder('images') . '/test.jpg');
+        $msg = '[CQ:image,file=test.jpg,url=https://zhamao.xin/file/hello.jpg]';
+        $result = MessageUtil::downloadCQImage($msg);
+        $this->assertIsArray($result);
+        $this->assertCount(1, $result);
+        $this->assertFileExists(DataProvider::getDataFolder('images') . '/test.jpg');
+        unlink(DataProvider::getDataFolder('images') . '/test.jpg');
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 4368c0da..04bc6565 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -25,4 +25,4 @@ if (ZMConfig::get('global') === false) {
 LightCacheInside::init();
 ZMAtomic::init();
 Terminal::init();
-Console::setLevel(4);
\ No newline at end of file
+Console::setLevel(4);