Nginx config static website show 404 Not found - http

Question

I'm config a static website in nginx,but show 404 notfound on browser
nginx version: nginx/1.10.3 (Ubuntu)
nginx configuration：
upstream client {
server 127.0.0.1:8080;
}
upstream admin {
server 127.0.0.1:8090;
}
server {
listen 443;
server_name mp.example.com;
ssl on;
ssl_certificate /etc/nginx/conf.d/certificate/mp.example.com/1_mp.example.com_bundle.crt;
ssl_certificate_key /etc/nginx/conf.d/certificate/mp.example.com/2_mp.example.com.key;
ssl_session_timeout 4m;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE;
ssl_prefer_server_ciphers on;
location / {
proxy_pass http://client;
#Proxy Settings
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
location /admin {
proxy_pass http://admin;
#Proxy Settings
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
location /zp {
root /root/admin_ui/1.1.0;
index index.html;
}
location ^~ /assets/ {
expires 90d;
alias /root/www/assets/;
}
}
server{
listen 80;
server_name mp.example.com;
location / {
rewrite ^(.*) https://$host$1 permanent;
}
}
Broswer screehshots:
my static website path:
I want input https://xx.xxxx.com/zp show my website
I think https configuration's problem, but i not sure