Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in E:\www\API\mod_send\lib\aliyun-php-sdk-dm\aliyun-php-sdk-core\UnitTest\BaseTest.php:20 Stack trace: #0 E:\www\API\mod_send\lib\aliyun-php-sdk-dm\aliyun-php-sdk-core\UnitTest\DefaultAcsClientTest.php(20): include_once() #1 {main} thrown in E:\www\API\mod_send\lib\aliyun-php-sdk-dm\aliyun-php-sdk-core\UnitTest\BaseTest.php on line 20