composer 更新错误

Warning: Uncaught ErrorException: require(C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer/../myclabs/deep-copy/src/DeepCopy/deep_copy.php): failed to open stream: No such file or directory in C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php:66 Stack trace: #0 C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php(66): Composer\Util\ErrorHandler::handle(2, 'require(C:\User...', 'C:\Users\Gary-C...', 66, Array) #1 C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php(66): require() #2 C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php(56): composerRequirec1eacf11190380a1fd3b9f0e78877bfb('6124b4c8570aa39...', 'C:\Users\Gary-C...') #3 C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\autoload.php(7): ComposerAutoloaderInitc1eacf11190380a1fd3b9f0e78877bfb::getLoader() #4 C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\laravel\framework\src in C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php on line 66 PHP Fatal error: composerRequirec1eacf11190380a1fd3b9f0e78877bfb(): Failed opening required 'C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer/../myclabs/deep-copy/src/DeepCopy/deep_copy.php' (include_path='C:\\xampp\php\PEAR') in C:\Users\Gary-Carvajal\Documents\GitHub\blsempl_unah\vendor\composer\autoload_real.php on line 66