diff --git a/bin/spc b/bin/spc
index 58749f61..a8571b1b 100755
--- a/bin/spc
+++ b/bin/spc
@@ -4,7 +4,13 @@
 use SPC\ConsoleApplication;
 use SPC\exception\ExceptionHandler;
 
-require_once __DIR__ . '/../vendor/autoload.php';
+if (file_exists(dirname(__DIR__) . '/vendor/autoload.php')) {
+    // Current: ./bin (git/project mode)
+    require_once dirname(__DIR__) . '/vendor/autoload.php';
+} else {
+    // Current: ./vendor/crazywhalecc/static-php-cli/bin (composer library mode)
+    require_once dirname(__DIR__, 3) . '/autoload.php';
+}
 
 // 防止 Micro 打包状态下不支持中文的显示（虽然这个项目目前好像没输出过中文？）
 if (PHP_OS_FAMILY === 'Windows' && Phar::running()) {
diff --git a/src/globals/defines.php b/src/globals/defines.php
index 3415f5c6..79b85406 100644
--- a/src/globals/defines.php
+++ b/src/globals/defines.php
@@ -5,7 +5,7 @@ declare(strict_types=1);
 use ZM\Logger\ConsoleLogger;
 
 define('WORKING_DIR', getcwd());
-const ROOT_DIR = __DIR__ . '/../..';
+define('ROOT_DIR', dirname(__DIR__, 2));
 
 // CLI start time
 define('START_TIME', microtime(true));