WebSocket connection to “wss://xxx/xxx“ failed

用了https后，需要用nginx作websocket地址的转发才能使用wss，别直接用端口访问 

	location /ws/ {
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection "Upgrade";	
		proxy_pass http://localhost:10001/ws/;
    }