使用nginx+node搭建的后台，图片上传报错，nginx配置如下

    location /applet/photos/ {
        #end with a ‘/’
        proxy_pass https://127.0.0.1:9993;
    }

nginx 错误日志：

peer closed connection in SSL handshake while SSL handshaking to upstream,

client: ip address, server: servername, request: “POST /applet/photos/upload HTTP/1.1”,

upstream: “https://127.0.0.1:9993/applet/photos/upload”, host: “servername”,

referrer: “https://servicewechat.com/wx8166e1c310b3521d/0/page-frame.html”