Call to a member function lists() on bool

FILE: /www/wwwroot/gkjm.com/App/Home/Controller/ListController.class.php 　LINE: 155

#0 [internal function]: Home\Controller\ListController->index()
#1 /www/wwwroot/gkjm.com/Include/Library/Think/App.class.php(164): ReflectionMethod->invoke()
#2 /www/wwwroot/gkjm.com/Include/Library/Think/App.class.php(202): Think\App::exec()
#3 /www/wwwroot/gkjm.com/Include/Library/Think/Think.class.php(120): Think\App::run()
#4 /www/wwwroot/gkjm.com/Include/ThinkPHP.php(97): Think\Think::start()
#5 /www/wwwroot/gkjm.com/index.php(21): require('/www/wwwroot/gk...')
#6 {main}