为什么我开启了用memcache就报错了

我phpinfo 里面有memcache么。。为什么还提示我没安装

extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
extension memcached is not installed
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed
Worker:WORKER EXIT UNEXPECTED E_WARNING file_get_contents(/var/run/workerman-chat.pid): failed to open stream: No such file or directory in /home/workerman-chat-master/workerman/Core/Lib/Checker.php on line 276
extension memcached is not installed