diff --git a/a1576471428/centos2anolis.log b/a1576471428/centos2anolis.log
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+2022-08-15 22:01:30.661[INFO    ]: ====== Start ======
+2022-08-15 22:01:30.661[INFO    ]: Checking if the tool is executed by root user
+2022-08-15 22:01:30.661[INFO    ]: Get current OS version.
+2022-08-15 22:01:30.691[INFO    ]: Version is 7.9
+2022-08-15 22:01:30.692[INFO    ]: Checking the version of Anolis OS
+2022-08-15 22:01:30.692[INFO    ]: Switch to Anolis OS 7.9
+2022-08-15 22:01:30.693[INFO    ]: Checking required packages
+2022-08-15 22:01:30.888[INFO    ]: Checking i686 packages
+2022-08-15 22:01:31.334[INFO    ]: Verify before
+2022-08-15 22:01:31.335[INFO    ]: Checking: distribution
+2022-08-15 22:01:31.365[INFO    ]: centos-release-7-9.2009.0.el7.centos.x86_64
+2022-08-15 22:01:31.367[INFO    ]: Checking: yum lock
+2022-08-15 22:01:31.368[INFO    ]: Checking network environment
+2022-08-15 22:01:36.405[ERROR   ]: <urlopen error [Errno -2] Name or service not known>
+2022-08-15 22:01:36.406[INFO    ]: Check dnf modules
+2022-08-15 22:01:36.407[INFO    ]: Looking for yumdownloader
+2022-08-15 22:01:36.556[INFO    ]: Process yum-utils install
+2022-08-15 22:01:44.909[INFO    ]: Checking mysql version
+2022-08-15 22:01:44.941[INFO    ]: Finding your repository directory
+2022-08-15 22:01:44.943[INFO    ]: Backing up and removing old repository files...
+2022-08-15 22:01:45.801[INFO    ]: Processing contentdir in repo files...
+2022-08-15 22:01:45.806[INFO    ]: Backing up and removing 3rd-part repository files...
+2022-08-15 22:01:45.932[INFO    ]: switch to anolis.repo
+2022-08-15 22:01:45.934[INFO    ]: Removing CentOS-specific yum configuration from /etc/yum.conf ...
+2022-08-15 22:01:45.937[INFO    ]: Downloading Anolis OS release package...
+2022-08-15 22:02:29.826[INFO    ]: Switching old release package with Anolis OS...
+2022-08-15 22:02:30.156[INFO    ]: optimise repofile
+2022-08-15 22:02:30.157[INFO    ]: Installing base packages for Anolis OS...
+2022-08-15 22:02:46.228[INFO    ]: Updating initrd...
+2022-08-15 22:03:24.073[INFO    ]: process pkgs for c7
+2022-08-15 22:03:30.377[INFO    ]: Distro sync
+2022-08-15 22:10:17.354[INFO    ]: Process enabled modules
+2022-08-15 22:10:17.356[INFO    ]: Swap centos-logos related packages with Anolis OS packages
+2022-08-15 22:10:17.504[INFO    ]: Packages related to rhn are not provided by Anolis OS
+2022-08-15 22:10:17.540[INFO    ]: Package python3-syspurpose is not provided by Anolis OS
+2022-08-15 22:10:17.579[INFO    ]: Remove centos gpg-pubkey
+2022-08-15 22:10:17.674[INFO    ]: Removing yum cache
+2022-08-15 22:10:17.690[INFO    ]: Verify after
+2022-08-15 22:10:17.692[INFO    ]: Sync successfully, update grub.cfg.
+2022-08-15 22:10:19.823[INFO    ]: Resume 3rd-part repository files...
+2022-08-15 22:10:19.831[INFO    ]: Yum clean all
+2022-08-15 22:10:54.293[INFO    ]: Switch complete. Anolis OS recommends rebooting this system.