Uploading pictures locally is normal. When deployed to nginx, there will be incomplete upload of pictures. Is this a nginx problem or a node code problem that I wrote?

problem description

nginx100KB
nginxnode

the environmental background of the problems and what methods you have tried

Windows,nginx
Apache

related codes

/ / Please paste the code text below (do not replace the code with pictures)

async upload_Img() {
    console.log("");
    const {
        ctx
    } = this;
    const stream = await ctx.getFileStream();
    if (!stream) {
        ctx.throw(403, "");
        return false;
    }

    const date = await this.fliteDate(new Date());
    const folder = `app/public/upload/img/${date}`;
    const filename = new Date().getTime() + stream.filename;
    const target = path.join(`${folder}/${filename}`);
    let data = {};
    const result = await new Promise((resolve, reject) => {
        fs.access(folder, fs.constants.F_OK, err => {
            if (err) {
                fs.mkdir(folder);
            }
            const remoteFileStream = fs.createWriteStream(target);
            const upwin = stream.pipe(remoteFileStream);
            console.log("");
            console.log(upwin);
            if (upwin) {
                const path = upwin.path.match(/public(.*)/g);
                data = {
                    code: 0,
                    msg: "",
                    data: {
                        src: ctx.app.config.hostConfig.host + path[0]
                    }
                };
                resolve(data);
            }
            reject("");
        });
    });
    return result;
}

Nginx configuration

http {

include       mime.types;
default_type  application/octet-stream;

-sharplog_format  main  "$remote_addr - $remote_user [$time_local] "$request" "
-sharp                  "$status $body_bytes_sent "$http_referer" "
-sharp                  ""$http_user_agent" "$http_x_forwarded_for"";

-sharpaccess_log  logs/access.log  main;

sendfile        on;
-sharptcp_nopush     on;
client_max_body_size 100M;
-sharpkeepalive_timeout  0;
keepalive_timeout  65;

gzip  on;


server {
    listen       8099;
    location / {
        root F:\kcyygzh\app\public;
        index index.html;
        try_files $uri $uri/ /index.html;
    }

    location ^~ /admin {
        proxy_pass http://localhost:7001;
    }

    location ^~ /public {
        proxy_pass http://localhost:7001;
    }
            
    location ^~ /v1 {
        proxy_pass http://localhost:7001;
    }
    
    location ^~ /api {
        proxy_pass http://localhost:7001;
    }
    
    location ^~ /home {
        proxy_pass http://localhost:7001;
    }

    error_page   500 502 503 504 404 /50x.html;
    location = /50x.html {
        root   html;
    }
}