diff --git a/src/ZM/Command/InitCommand.php b/src/ZM/Command/InitCommand.php
index 54259d1d..e1cff088 100644
--- a/src/ZM/Command/InitCommand.php
+++ b/src/ZM/Command/InitCommand.php
@@ -72,9 +72,14 @@ class InitCommand extends Command
                 }
 
                 $section->writeln('<info>完成</info>');
-
                 $section->write('<fg=gray>执行 composer dump-autoload ... </>');
-                exec('composer dump-autoload');
+
+                // 兼容内建 Composer
+                $env = getenv('COMPOSER_EXECUTABLE');
+                if ($env === false) {
+                    $env = 'composer';
+                }
+                passthru(PHP_BINARY . ' ' . escapeshellcmd($env) . ' dump-autoload');
 
                 $section->writeln('<info>完成</info>');
             });
diff --git a/src/ZM/ConsoleApplication.php b/src/ZM/ConsoleApplication.php
index bff0bc07..07f2ed34 100644
--- a/src/ZM/ConsoleApplication.php
+++ b/src/ZM/ConsoleApplication.php
@@ -41,6 +41,11 @@ final class ConsoleApplication extends Application
                 FileSystem::getClassesPsr4(SOURCE_ROOT_DIR . '/src/Command', 'Command')
             );
         }
+        // 初始化 Composer 变量
+        if (file_exists(WORKING_DIR . '/runtime/composer.phar')) {
+            echo '* Using native composer' . PHP_EOL;
+            putenv('COMPOSER_EXECUTABLE=' . WORKING_DIR . '/runtime/composer.phar');
+        }
         $commands = [];
         foreach ($command_classes as $command_class) {
             try {