401 Unauthorized error when nerdctl build a Dockerfile from a private repository project of harbor

[Nicolasap]

ps aux | grep buildkitd
root       19869  0.1  0.5 1270628 41760 ?       Ssl  21:20   0:00 /usr/local/bin/buildkitd --config /etc/buildkit/buildkitd.toml

cat /etc/buildkit/buildkitd.toml
[registry."192.168.1.119:8088"]
  http = true
  insecure = true
  configPath = "/root/.docker/config.json"

nerdctl build -t busybox-test:test .
[+] Building 16.7s (4/4) FINISHED                                                                  
 => [internal] load build definition from Dockerfile                                          0.0s
 => => transferring dockerfile: 148B                                                          0.0s
 => ERROR [internal] load metadata for 192.168.1.119:8088/myapp/jmx-demo@sha256:12274401b6f  16.6s
 => [auth] myapp/jmx-demo:pull token for 192.168.1.119:8088                                   0.0s
 => [auth] sharing credentials for 192.168.1.119:8088                                         0.0s
------
 > [internal] load metadata for 192.168.1.119:8088/myapp/jmx-demo@sha256:12274401b6f1c761c5b7902c9acb4252907432aa42997b592110923f4327233e:
------
Dockerfile:1
--------------------
   1 | >>> FROM 192.168.1.119:8088/myapp/jmx-demo@sha256:12274401b6f1c761c5b7902c9acb4252907432aa42997b592110923f4327233e
   2 |     
--------------------
error: failed to solve: 192.168.1.119:8088/myapp/jmx-demo@sha256:12274401b6f1c761c5b7902c9acb4252907432aa42997b592110923f4327233e: failed to resolve source metadata for 192.168.1.119:8088/myapp/jmx-demo@sha256:12274401b6f1c761c5b7902c9acb4252907432aa42997b592110923f4327233e: unexpected status from HEAD request to http://192.168.1.119:8088/v2/myapp/jmx-demo/manifests/sha256:12274401b6f1c761c5b7902c9acb4252907432aa42997b592110923f4327233e: 401 Unauthorized

I have also tried /etc/buildkit/buildkitd.toml as below but failed

[registry."192.168.1.119:8088"]
  http = true
  insecure = true
  username = "admin"
  password = "xxx"