diff --git a/src/SPC/builder/macos/MacOSBuilder.php b/src/SPC/builder/macos/MacOSBuilder.php
index c6bc482f..9a6c1cd2 100644
--- a/src/SPC/builder/macos/MacOSBuilder.php
+++ b/src/SPC/builder/macos/MacOSBuilder.php
@@ -21,9 +21,6 @@ class MacOSBuilder extends BuilderBase
     /** 编译的 Unix 工具集 */
     use UnixBuilderTrait;
 
-    /** @var string[] MacOS 环境下编译依赖的命令 */
-    public const REQUIRED_COMMANDS = ['make', 'bison', 'flex', 'pkg-config', 'git', 'autoconf', 'automake', 'tar', 'unzip', 'xz', 'gzip', 'bzip2', 'cmake'];
-
     /** @var bool 标记是否 patch 了 phar */
     private bool $phar_patched = false;
 
@@ -56,16 +53,6 @@ class MacOSBuilder extends BuilderBase
             "CC='{$this->cc}' " .
             "CXX='{$this->cxx}' " .
             "CFLAGS='{$this->arch_c_flags} -Wimplicit-function-declaration'";
-        // 保存丢失的命令
-        $missing = [];
-        foreach (self::REQUIRED_COMMANDS as $cmd) {
-            if (SystemUtil::findCommand($cmd) === null) {
-                $missing[] = $cmd;
-            }
-        }
-        if (!empty($missing)) {
-            throw new RuntimeException('missing system commands: ' . implode(', ', $missing));
-        }
 
         // 创立 pkg-config 和放头文件的目录
         f_mkdir(BUILD_LIB_PATH . '/pkgconfig', recursive: true);
diff --git a/src/SPC/command/DoctorCommand.php b/src/SPC/command/DoctorCommand.php
index 6a4ea752..f8a5ee64 100644
--- a/src/SPC/command/DoctorCommand.php
+++ b/src/SPC/command/DoctorCommand.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace SPC\command;
 
+use SPC\doctor\CheckListHandler;
 use Symfony\Component\Console\Attribute\AsCommand;
 
 #[AsCommand('doctor', 'Diagnose whether the current environment can compile normally')]
@@ -11,7 +12,14 @@ class DoctorCommand extends BaseCommand
 {
     public function handle(): int
     {
-        logger()->error('Not implemented');
-        return 1;
+        try {
+            $checker = new CheckListHandler($this->input, $this->output);
+            $checker->runCheck(FIX_POLICY_PROMPT);
+            $this->output->writeln('<info>Doctor check complete !</info>');
+        } catch (\Throwable $e) {
+            $this->output->writeln('<error>' . $e->getMessage() . '</error>');
+            return 1;
+        }
+        return 0;
     }
 }
diff --git a/src/SPC/doctor/AsCheckItem.php b/src/SPC/doctor/AsCheckItem.php
new file mode 100644
index 00000000..6c20e38c
--- /dev/null
+++ b/src/SPC/doctor/AsCheckItem.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor;
+
+#[\Attribute(\Attribute::TARGET_METHOD)]
+class AsCheckItem
+{
+    public mixed $callback = null;
+
+    public function __construct(
+        public string $item_name,
+        public ?string $limit_os = null,
+        public int $level = 100
+    ) {
+    }
+}
diff --git a/src/SPC/doctor/AsFixItem.php b/src/SPC/doctor/AsFixItem.php
new file mode 100644
index 00000000..92f5e35e
--- /dev/null
+++ b/src/SPC/doctor/AsFixItem.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor;
+
+#[\Attribute(\Attribute::TARGET_METHOD)]
+class AsFixItem
+{
+    public function __construct(public string $name)
+    {
+    }
+}
diff --git a/src/SPC/doctor/CheckListHandler.php b/src/SPC/doctor/CheckListHandler.php
new file mode 100644
index 00000000..5747dd29
--- /dev/null
+++ b/src/SPC/doctor/CheckListHandler.php
@@ -0,0 +1,128 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor;
+
+use SPC\exception\FileSystemException;
+use SPC\exception\RuntimeException;
+use SPC\store\FileSystem;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+
+class CheckListHandler
+{
+    /** @var AsCheckItem[] */
+    private array $check_list = [];
+
+    private array $fix_map = [];
+
+    /**
+     * @throws \ReflectionException
+     * @throws FileSystemException
+     * @throws RuntimeException
+     */
+    public function __construct(private InputInterface $input, private OutputInterface $output)
+    {
+        $this->loadCheckList();
+    }
+
+    /**
+     * @throws RuntimeException
+     */
+    public function runCheck(int $fix_policy = FIX_POLICY_DIE): void
+    {
+        foreach ($this->check_list as $item) {
+            if ($item->limit_os !== null && $item->limit_os !== PHP_OS_FAMILY) {
+                continue;
+            }
+            $this->output->write('Checking <comment>' . $item->item_name . '</comment> ... ');
+            $result = call_user_func($item->callback);
+            if ($result === null) {
+                $this->output->writeln('skipped');
+            } elseif ($result instanceof CheckResult) {
+                if ($result->isOK()) {
+                    $this->output->writeln('ok');
+                    continue;
+                }
+                // Failed
+                $this->output->writeln('<error>' . $result->getMessage() . '</error>');
+                switch ($fix_policy) {
+                    case FIX_POLICY_DIE:
+                        throw new RuntimeException('Some check items can not be fixed !');
+                    case FIX_POLICY_PROMPT:
+                        if ($result->getFixItem() !== '') {
+                            $helper = new QuestionHelper();
+                            $question = new ConfirmationQuestion('Do you want to fix it? [Y/n] ', true);
+                            if ($helper->ask($this->input, $this->output, $question)) {
+                                $this->emitFix($result);
+                            } else {
+                                throw new RuntimeException('You cancelled fix');
+                            }
+                        } else {
+                            throw new RuntimeException('Some check items can not be fixed !');
+                        }
+                        break;
+                    case FIX_POLICY_AUTOFIX:
+                        if ($result->getFixItem() !== '') {
+                            $this->output->writeln('Automatically fixing ' . $result->getFixItem() . ' ...');
+                            $this->emitFix($result);
+                        } else {
+                            throw new RuntimeException('Some check items can not be fixed !');
+                        }
+                        break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Load Doctor check item list
+     *
+     * @throws \ReflectionException
+     * @throws RuntimeException
+     * @throws FileSystemException
+     */
+    private function loadCheckList(): void
+    {
+        foreach (FileSystem::getClassesPsr4(__DIR__ . '/item', 'SPC\\doctor\\item') as $class) {
+            $ref = new \ReflectionClass($class);
+            foreach ($ref->getMethods() as $method) {
+                $attr = $method->getAttributes(AsCheckItem::class);
+                if (isset($attr[0])) {
+                    /** @var AsCheckItem $instance */
+                    $instance = $attr[0]->newInstance();
+                    $instance->callback = [new $class(), $method->getName()];
+                    $this->check_list[] = $instance;
+                    continue;
+                }
+                $attr = $method->getAttributes(AsFixItem::class);
+                if (isset($attr[0])) {
+                    /** @var AsFixItem $instance */
+                    $instance = $attr[0]->newInstance();
+                    // Redundant fix item
+                    if (isset($this->fix_map[$instance->name])) {
+                        throw new RuntimeException('Redundant doctor fix item: ' . $instance->name);
+                    }
+                    $this->fix_map[$instance->name] = [new $class(), $method->getName()];
+                }
+            }
+        }
+        // sort check list by level
+        usort($this->check_list, fn ($a, $b) => $a->level > $b->level ? -1 : ($a->level == $b->level ? 0 : 1));
+    }
+
+    private function emitFix(CheckResult $result)
+    {
+        $fix = $this->fix_map[$result->getFixItem()];
+        $fix_result = call_user_func($fix, ...$result->getFixParams());
+        if ($fix_result) {
+            $this->output->writeln('<info>Fix done</info>');
+        } else {
+            $this->output->writeln('<error>Fix failed</error>');
+            throw new RuntimeException('Some check item are not fixed');
+        }
+    }
+}
diff --git a/src/SPC/doctor/CheckResult.php b/src/SPC/doctor/CheckResult.php
new file mode 100644
index 00000000..d7628ee8
--- /dev/null
+++ b/src/SPC/doctor/CheckResult.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor;
+
+class CheckResult
+{
+    public function __construct(private string $message = '', private string $fix_item = '', private array $fix_params = [])
+    {
+    }
+
+    public static function fail(string $message, string $fix_item = '', array $fix_params = []): CheckResult
+    {
+        return new static($message, $fix_item, $fix_params);
+    }
+
+    public static function ok(): CheckResult
+    {
+        return new static();
+    }
+
+    public function getMessage(): string
+    {
+        return $this->message;
+    }
+
+    public function getFixItem(): string
+    {
+        return $this->fix_item;
+    }
+
+    public function getFixParams(): array
+    {
+        return $this->fix_params;
+    }
+
+    public function isOK(): bool
+    {
+        return empty($this->message);
+    }
+}
diff --git a/src/SPC/doctor/item/MacOSToolCheckList.php b/src/SPC/doctor/item/MacOSToolCheckList.php
new file mode 100644
index 00000000..cf564863
--- /dev/null
+++ b/src/SPC/doctor/item/MacOSToolCheckList.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor\item;
+
+use SPC\builder\traits\UnixSystemUtilTrait;
+use SPC\doctor\AsCheckItem;
+use SPC\doctor\AsFixItem;
+use SPC\doctor\CheckResult;
+use SPC\exception\RuntimeException;
+
+class MacOSToolCheckList
+{
+    use UnixSystemUtilTrait;
+
+    /** @var string[] MacOS 环境下编译依赖的命令 */
+    public const REQUIRED_COMMANDS = [
+        'curl',
+        'make',
+        'bison',
+        'flex',
+        'pkg-config',
+        'git',
+        'autoconf',
+        'automake',
+        'tar',
+        'unzip',
+        'xz',
+        'gzip',
+        'bzip2',
+        'gotop',
+        'cmake',
+    ];
+
+    #[AsCheckItem('if homebrew has installed', limit_os: 'Darwin', level: 998)]
+    public function checkBrew(): ?CheckResult
+    {
+        // 检查 homebrew 是否已经安装
+        if ($this->findCommand('brew') === null) {
+            return CheckResult::fail('Homebrew is not installed', 'brew');
+        }
+        return CheckResult::ok();
+    }
+
+    #[AsCheckItem('if necessary tools are installed', limit_os: 'Darwin')]
+    public function checkCliTools(): ?CheckResult
+    {
+        $missing = [];
+        foreach (self::REQUIRED_COMMANDS as $cmd) {
+            if ($this->findCommand($cmd) === null) {
+                $missing[] = $cmd;
+            }
+        }
+        if (!empty($missing)) {
+            return CheckResult::fail('missing system commands: ' . implode(', ', $missing), 'build-tools', [$missing]);
+        }
+        return CheckResult::ok();
+    }
+
+    #[AsFixItem('brew')]
+    public function fixBrew(): bool
+    {
+        try {
+            shell(true)->exec('/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"');
+        } catch (RuntimeException) {
+            return false;
+        }
+        return true;
+    }
+
+    #[AsFixItem('build-tools')]
+    public function fixBuildTools(array $missing): bool
+    {
+        foreach ($missing as $cmd) {
+            try {
+                shell(true)->exec('brew install ' . escapeshellarg($cmd));
+            } catch (RuntimeException) {
+                return false;
+            }
+        }
+        return true;
+    }
+}
diff --git a/src/SPC/doctor/item/OSCheckList.php b/src/SPC/doctor/item/OSCheckList.php
new file mode 100644
index 00000000..1bab92cd
--- /dev/null
+++ b/src/SPC/doctor/item/OSCheckList.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\doctor\item;
+
+use SPC\builder\traits\UnixSystemUtilTrait;
+use SPC\doctor\AsCheckItem;
+use SPC\doctor\CheckResult;
+
+class OSCheckList
+{
+    use UnixSystemUtilTrait;
+
+    #[AsCheckItem('if current os are supported', level: 999)]
+    public function checkOS(): ?CheckResult
+    {
+        if (!in_array(PHP_OS_FAMILY, ['Darwin', 'Linux'])) {
+            return CheckResult::fail('Current OS is not supported');
+        }
+        return CheckResult::ok();
+    }
+}
diff --git a/src/SPC/util/UnixShell.php b/src/SPC/util/UnixShell.php
index 7e3e2551..90203ec1 100644
--- a/src/SPC/util/UnixShell.php
+++ b/src/SPC/util/UnixShell.php
@@ -13,9 +13,9 @@ class UnixShell
 
     private bool $debug;
 
-    public function __construct()
+    public function __construct(?bool $debug = null)
     {
-        $this->debug = defined('DEBUG_MODE');
+        $this->debug = $debug ?? defined('DEBUG_MODE');
     }
 
     public function cd(string $dir): UnixShell
diff --git a/src/globals/defines.php b/src/globals/defines.php
index f241d608..c692e3b2 100644
--- a/src/globals/defines.php
+++ b/src/globals/defines.php
@@ -2,16 +2,14 @@
 
 declare(strict_types=1);
 
-// 工作目录
 use ZM\Logger\ConsoleLogger;
 
 define('WORKING_DIR', getcwd());
 const ROOT_DIR = __DIR__ . '/../..';
 
-// 程序启动时间
+// CLI start time
 define('START_TIME', microtime(true));
 
-// 规定目录
 define('BUILD_ROOT_PATH', is_string($a = getenv('BUILD_ROOT_PATH')) ? $a : (WORKING_DIR . '/buildroot'));
 define('SOURCE_PATH', is_string($a = getenv('SOURCE_PATH')) ? $a : (WORKING_DIR . '/source'));
 define('DOWNLOAD_PATH', is_string($a = getenv('DOWNLOAD_PATH')) ? $a : (WORKING_DIR . '/downloads'));
@@ -24,29 +22,35 @@ define('SEPARATED_PATH', [
     BUILD_ROOT_PATH,
 ]);
 
-// 危险的命令额外用 notice 级别提醒
+// dangerous command
 const DANGER_CMD = [
     'rm',
     'rmdir',
 ];
 
-// 替换方案
+// file replace strategy
 const REPLACE_FILE_STR = 1;
 const REPLACE_FILE_PREG = 2;
 const REPLACE_FILE_USER = 3;
 
-// 编译输出类型
+// build sapi type
 const BUILD_MICRO_NONE = 0;
 const BUILD_MICRO_ONLY = 1;
 const BUILD_MICRO_BOTH = 2;
 
-// 编译状态
+// library build status
 const BUILD_STATUS_OK = 0;
 const BUILD_STATUS_ALREADY = 1;
 const BUILD_STATUS_FAILED = 2;
 
-// 编译类型
+// build target type
 const BUILD_TYPE_CLI = 1;
 const BUILD_TYPE_MICRO = 2;
+const BUILD_TYPE_FPM = 3;
+
+// doctor error fix policy
+const FIX_POLICY_DIE = 1;       // die directly
+const FIX_POLICY_PROMPT = 2;    // if it can be fixed, ask fix or not
+const FIX_POLICY_AUTOFIX = 3;   // if it can be fixed, just fix automatically
 
 ConsoleLogger::$date_format = 'H:i:s';
diff --git a/src/globals/functions.php b/src/globals/functions.php
index ddf22369..9ce84214 100644
--- a/src/globals/functions.php
+++ b/src/globals/functions.php
@@ -105,7 +105,7 @@ function f_mkdir(string $directory, int $permissions = 0777, bool $recursive = f
     return mkdir($directory, $permissions, $recursive);
 }
 
-function shell(): UnixShell
+function shell(?bool $debug = null): UnixShell
 {
-    return new UnixShell();
+    return new UnixShell($debug);
 }