问搭建微信小程序服务，安装nginx按照实验手册指引配置返回目录错误，但是实际目录没有错误？

nginx: [emerg] BIO_new_file("/etc/nginx/1_www.example.com_bundle.crt") failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/1_www.example.com_bundle.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)