Fatal error: Uncaught Error: Class 'wxapp\aes\WXBizDataCrypt' not found in E:\phpStudy\PHPTutorial\WWW\mk\vendor\thinkcmf\cmf-extend\src\wxapp\aes\demo.php:28 Stack trace: #0 {main} thrown in E:\phpStudy\PHPTutorial\WWW\mk\vendor\thinkcmf\cmf-extend\src\wxapp\aes\demo.php on line 28