试下增加这个 automountServiceAccountToken

apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  serviceAccountName: build-robot
  automountServiceAccountToken: false
  ...

参考：MountVolume.SetUp failed for volume "kube-api-access-fcz9j" : object "default"/"kube-root-ca.crt" not registered