Fatal error: Uncaught Error: Class 'Smarty_Internal_TemplateBase' not found in C:\Project\WWW\SanGuo130\ThinkPHP\Library\Vendor\Smarty\sysplugins\smarty_internal_template.php:22 Stack trace: #0 {main} thrown in C:\Project\WWW\SanGuo130\ThinkPHP\Library\Vendor\Smarty\sysplugins\smarty_internal_template.php on line 22