Docker Desktop can't pull behind a proxy

The latest docker desktop can't pull. I use docker desktop and pull in Docker Hub, it shows

(HTTP code 500) server error - failed to resolve reference "docker.io/n8nio/n8n:latest": failed to do request: Head ...

I used the wsl integration and build in my WSL2, it shows

 > [rag-app internal] load metadata for ghcr.io/astral-sh/uv:python3.10-bookworm:
------
failed to solve: ghcr.io/astral-sh/uv:python3.10-bookworm: failed to resolve source metadata for ghcr.io/astral-sh/uv:python3.10-bookworm: failed to do request: Head "https://ghcr.io/v2/astral-sh/uv/manifests/python3.10-bookworm": proxyconnect tcp: dial tcp 127.0.0.1:9999: connect: connection refused

I can use proxy in my wsl2 and windows11.

I tried to change Proxies Settings in docker desktop GUI I disabled manual proxy configuration and turn on it with web server 'http://127.0.0.1:9999' and 'http://host.docker.internal:9999'. All these doesn't work.

I run 'docker info' in Terminal on windows. It shows

Client:
 Version:    28.1.1
 Context:    desktop-linux
 Debug Mode: false

Server:
 Containers: 5
  Running: 0
  Paused: 0
  Stopped: 5
 Images: 5
 Server Version: 28.1.1
 Storage Driver: overlayfs
  driver-type: io.containerd.snapshotter.v1
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 CDI spec directories:
  /etc/cdi
  /var/run/cdi
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 nvidia runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 05044ec0a9a75232cad458027ca83437aae3f4da
 runc version: v1.2.5-0-g59923ef
 init version: de40ad0
 Security Options:
  seccomp
   Profile: unconfined
 Kernel Version: 5.15.167.4-microsoft-standard-WSL2
 Operating System: Docker Desktop
 OSType: linux
 Architecture: x86_64
 CPUs: 16
 Total Memory: 15.18GiB
 Name: docker-desktop
 ID: 8347b53d-5009-4453-94dc-e81a1787bc80
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 HTTP Proxy: http://127.0.0.1:9999
 HTTPS Proxy: http://127.0.0.1:9999
 No Proxy: 172.31.*,172.30.*,172.29.*,172.28.*,172.27.*,172.26.*,172.25.*,172.24.*,172.23.*,172.22.*,172.21.*,172.20.*,172.19.*,172.18.*,172.17.*,172.16.*,10.*,192.168.*,127.*,localhost,<local>
 Labels:
  com.docker.desktop.address=npipe://\\.\pipe\docker_cli
 Experimental: false
 Insecure Registries:
  hubproxy.docker.internal:5555
  ::1/128
  127.0.0.0/8
 Registry Mirrors:
  https://docker.xuanyuan.me/
 Live Restore Enabled: false

WARNING: No blkio throttle.read_bps_device support
WARNING: No blkio throttle.write_bps_device support
WARNING: No blkio throttle.read_iops_device support
WARNING: No blkio throttle.write_iops_device support
WARNING: DOCKER_INSECURE_NO_IPTABLES_RAW is set
WARNING: daemon is not using the default seccomp profile

I got right Proxy but I can't pull. So strange!

I hope if someone can help me, and make my proxy work with docker desktop! Thanks!