[Solved] jumpserver nginx Error: Connect websocket server error

After installation, the jumpserver selects a custom port, and the HTTP port 80 is changed to 88. After forwarding through nginx, remember to set the upgrade of nginx, otherwise it will prompt: connect websocket server error

Nginx is configured as follows:

server {
listen 80;
server_name jump.xxxxxx.cn;

        proxy_http_version      1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

This will not prompt an error

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