错误提示

Call to a member function lists() on boolean

错误位置

FILE: /data/user/htdocs/App/Home/Controller/ListController.class.php 　LINE: 314

TRACE

#0 [internal function]: Home\Controller\ListController->index()
#1 /data/user/htdocs/Include/Library/Think/App.class.php(164): ReflectionMethod->invoke(Object(Home\Controller\ListController))
#2 /data/user/htdocs/Include/Library/Think/App.class.php(202): Think\App::exec()
#3 /data/user/htdocs/Include/Library/Think/Think.class.php(120): Think\App::run()
#4 /data/user/htdocs/Include/ThinkPHP.php(97): Think\Think::start()
#5 /data/user/htdocs/index.php(22): require('/data/user/htdo...')
#6 {main}