Fatal error: Uncaught Error: Class "PhpSpec\ObjectBehavior" not found in E:\www\API\mod_send\lib\aliyun-dysms-php-sdk\msg_sdk\vendor\phpspec\prophecy\spec\Prophecy\ArgumentSpec.php:7 Stack trace: #0 {main} thrown in E:\www\API\mod_send\lib\aliyun-dysms-php-sdk\msg_sdk\vendor\phpspec\prophecy\spec\Prophecy\ArgumentSpec.php on line 7