Streamlit nginx https deployment

[li_lili]

my streamlit app deploy with nginx, conf file like this:
map $http_upgrade $connection_upgrade {
default upgrade;
‘’ close;
}
server {
listen 443 ssl;
server_name xxxx;
ssl_certificate xxxx.pem;
ssl_certificate_key xxx.key;

    ssl_session_cache    shared:SSL:1m;
    ssl_session_timeout  15m;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
    ssl_prefer_server_ciphers  on;
    location / {
        proxy_pass http://xxxx:5000;  # 将流量代理到本地地址 http://127.0.0.1:8501/
    }
    location ^~ /static {
          proxy_pass http://xxxx:5000/static/;
    }
    location ^~ /healthz {
          proxy_pass http://xxxx:5000/healthz;
    }
    location ^~ /vendor {
          proxy_pass http://xxx:5000/vendor;
    }
    location /stream {
        proxy_pass http://xxxx:5000/stream;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400;
    }
}

app always display Please waiting , who can help me ,where bug is it ?