bug: 部署时pod运行失败，提示拉取镜像异常

[Alexxxing]

What happened:
使用helm安装时pod无法正常启动，提示拉取镜像失败，镜像在镜像仓库查询不到

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• bk-ci version (use cat VERSION in installed dir): v4.0.0
• Cloud provider or hardware configuration: CentOS7.9
• OS (e.g: cat /etc/os-release):
  NAME="CentOS Linux"
  VERSION="7 (Core)"
  ID="centos"
  ID_LIKE="rhel fedora"
  VERSION_ID="7"
  PRETTY_NAME="CentOS Linux 7 (Core)"
  ANSI_COLOR="0;31"
  CPE_NAME="cpe:/o:centos:centos:7"
  HOME_URL="https://www.centos.org/"
  BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

• Kernel (e.g. uname -a): Linux localhost.localdomain 3.10.0-1160.el7.x86_64 waiting until 6/28 to opensource ... #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
• Install tools: minikube
• Others: