redis开启服务器的时候，无法开启，遇到如下问题

sudo service redis start，执行前面这句命令，会报如下错误：
Job for redis-server.service failed because the control process exited with error code. See "systemctl status redis-server.service" and "journalctl -xe" for details.
求大神解答！
运行systemctl status redis-server.service后显示代码如下：

error code是什么?运行systemctl status redis-server.service查看具体情况发上来看看

用这个命令启动

 systemctl start redis