diff --git a/mengfansheng/centos2anolis.log b/mengfansheng/centos2anolis.log
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+++ b/mengfansheng/centos2anolis.log
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+2022-07-27 09:28:20.294[INFO    ]: ====== Start ======
+2022-07-27 09:28:20.294[INFO    ]: Checking if the tool is executed by root user
+2022-07-27 09:28:20.294[INFO    ]: Get current OS version.
+2022-07-27 09:28:20.299[INFO    ]: Version is 8.5
+2022-07-27 09:28:20.301[INFO    ]: Checking the version of Anolis OS
+2022-07-27 09:28:20.301[INFO    ]: Switch to Anolis OS 8
+2022-07-27 09:28:20.303[INFO    ]: Checking required packages
+2022-07-27 09:28:20.317[INFO    ]: Checking i686 packages
+2022-07-27 09:28:21.442[INFO    ]: Verify before
+2022-07-27 09:28:21.444[INFO    ]: Checking: distribution
+2022-07-27 09:28:21.458[INFO    ]: centos-linux-release-8.5-1.2111.el8.noarch
+2022-07-27 09:28:21.459[INFO    ]: Checking: yum lock
+2022-07-27 09:28:21.460[INFO    ]: Checking network environment
+2022-07-27 09:28:21.741[INFO    ]: Check internal network environment is True
+2022-07-27 09:28:21.742[INFO    ]: Checking: dnf modules enable list
+2022-07-27 09:28:21.742[INFO    ]: Identifying dnf modules that are enabled...
+2022-07-27 09:28:29.027[INFO    ]: Looking for yumdownloader
+2022-07-27 09:28:29.035[INFO    ]: Process yum-utils install
+2022-07-27 09:28:30.587[INFO    ]: Checking mysql version
+2022-07-27 09:28:30.598[INFO    ]: Finding your repository directory
+2022-07-27 09:28:30.598[INFO    ]: Backing up and removing old repository files...
+2022-07-27 09:28:32.836[INFO    ]: Processing contentdir in repo files...
+2022-07-27 09:28:32.841[INFO    ]: Backing up and removing 3rd-part repository files...
+2022-07-27 09:28:32.851[INFO    ]: switch to anolis.repo
+2022-07-27 09:28:32.864[INFO    ]: Removing CentOS-specific yum configuration from /etc/yum.conf ...
+2022-07-27 09:28:32.865[INFO    ]: Downloading Anolis OS release package...
+2022-07-27 09:28:37.565[INFO    ]: Switching old release package with Anolis OS...
+2022-07-27 09:28:37.968[INFO    ]: optimise repofile
+2022-07-27 09:28:37.983[INFO    ]: Installing base packages for Anolis OS...
+2022-07-27 09:28:44.784[INFO    ]: Updating initrd...
+2022-07-27 09:29:08.571[INFO    ]: process pkgs for c7
+2022-07-27 09:29:08.572[INFO    ]: Distro sync
+2022-07-27 09:32:59.643[INFO    ]: ====== Start ======
+2022-07-27 09:32:59.643[INFO    ]: Checking if the tool is executed by root user
+2022-07-27 09:32:59.643[INFO    ]: Get current OS version.
+2022-07-27 09:32:59.651[INFO    ]: Version is 
+2022-07-27 09:32:59.651[ERROR   ]: Version not found, Please Check!!
+2022-07-27 09:37:46.247[INFO    ]: ====== Start ======
+2022-07-27 09:37:46.247[INFO    ]: Checking if the tool is executed by root user
+2022-07-27 09:37:46.247[INFO    ]: Get current OS version.
+2022-07-27 09:37:46.253[INFO    ]: Version is 
+2022-07-27 09:37:46.253[ERROR   ]: Version not found, Please Check!!
+2022-07-27 09:40:10.129[INFO    ]: ====== Start ======
+2022-07-27 09:40:10.129[INFO    ]: Checking if the tool is executed by root user
+2022-07-27 09:40:10.129[INFO    ]: Get current OS version.
+2022-07-27 09:40:10.129[INFO    ]: Version is test
+2022-07-27 09:40:10.130[ERROR   ]: Version not found, Please Check!!
+2022-07-27 09:40:51.027[INFO    ]: ====== Start ======
+2022-07-27 09:40:51.028[INFO    ]: Checking if the tool is executed by root user
+2022-07-27 09:40:51.028[INFO    ]: Get current OS version.
+2022-07-27 09:40:51.028[INFO    ]: Version is 8.4
+2022-07-27 09:40:51.029[INFO    ]: Checking the version of Anolis OS
+2022-07-27 09:40:51.029[INFO    ]: Switch to Anolis OS 8
+2022-07-27 09:40:51.031[INFO    ]: Checking required packages
+2022-07-27 09:40:51.047[INFO    ]: Checking i686 packages
+2022-07-27 09:40:52.562[INFO    ]: Verify before
+2022-07-27 09:40:52.563[INFO    ]: Checking: distribution
+2022-07-27 09:40:52.573[INFO    ]: anolis-release-8.6-2.an8.x86_64
+2022-07-27 09:40:52.574[ERROR   ]: You are already using Anolis OS.