错误类型：手动抛出
出错原因：Load Controller false! Method course() is not exists!
提示位置：/home/ecs-user/wwwroot/cms/my-edu.asia/www/library/lib_common.php 第 33 行
断点源码：throw new Exception ("Method {$action}() is not exists!");
详细跟踪：
[0] in function debug_error_handler
[1] in function trigger_error in /home/ecs-user/wwwroot/cms/my-edu.asia/www/library/lib_common.php on line 40
[2] in function execute_ctl in /home/ecs-user/wwwroot/cms/my-edu.asia/www/index.php on line 75