diff --git a/README.md b/README.md
index 748187f43df9ff10f941e807b48970b00d1f4121..32e909b1b963242351bc0c5df55784510b93af87 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,9 @@
     gpgcheck=0
     enabled=1
     ```
+* `--tool_version` 查看脚本版本
+
+    该选项会返回当前脚本`centos2anolis.py`的版本号。
 
     
 ## 问题反馈
diff --git a/centos2anolis.py b/centos2anolis.py
index 9e7c1dd866d1f9384e2418eced33a54f26cd0be8..ef09943cc8ea0b3777eb566afebdce28777948ea 100644
--- a/centos2anolis.py
+++ b/centos2anolis.py
@@ -84,6 +84,8 @@ jsoncount=0
 # The total number of functions to be executed in ccontinue.
 jsonsum=28
 custom_json_file1=""
+# centos2anolis version
+centos2anolis_version = "0.2"
 
 def get_current_version(continue_after_sync = False):
     global centosversion
@@ -877,10 +879,13 @@ def check_local_repo(localrepo):
         log_it(logging.ERROR, "Please write the file of the anolis repository: /etc/yum.repos.d/switch-to-anolis.repo")
         sys.exit(1)
 
-def main(verify_all_rpms=False, accelerate=False, version=False, continue_after_sync=False, custom_log_dir = False, custom_json_file=False, local_repo=False):
+def main(verify_all_rpms=False, accelerate=False, version=False, continue_after_sync=False, custom_log_dir = False, custom_json_file=False, local_repo=False, tool_version=False):
     global jd
     global jsoncount
     global custom_json_file1
+    if tool_version:
+        print(centos2anolis_version)
+        sys.exit(1)
     set_log_info(custom_log_dir)
     set_json_info(custom_json_file)
     custom_json_file1=custom_json_file
@@ -942,7 +947,8 @@ if __name__ == "__main__":
     parser.add_argument('--log_dir', help='Set Custom log directory')
     parser.add_argument('--progress_file', help='Set Custom json file')
     parser.add_argument('-l', action='store_true', help='Select the local repo file')
+    parser.add_argument('--tool_version', action='store_true', help='Check the version of centos2anolis.py')
     args = parser.parse_args()
-    sys.exit(main(args.V, args.s, args.v, args.c, args.log_dir, args.progress_file, args.l))
+    sys.exit(main(args.V, args.s, args.v, args.c, args.log_dir, args.progress_file, args.l, args.tool_version))
 
 
diff --git a/centos2anolis.spec b/centos2anolis.spec
index 02a37faafb8bf57a27808d051ae5a6c1756a8f07..90c0196e240b5bd92f64b1f2d650b288a46729f0 100644
--- a/centos2anolis.spec
+++ b/centos2anolis.spec
@@ -1,7 +1,7 @@
-%define anolis_release 6
+%define anolis_release 1
 
 Name:           centos2anolis
-Version:        0.1
+Version:        0.2
 Release:        %{anolis_release}
 Summary:        Transfer CentOS to Anolis.
 
@@ -39,6 +39,9 @@ install -m 755 %{SOURCE0} %{buildroot}/%{_sbindir}
 
 
 %changelog
+* Fri Jun 10 2022 mgb0110571 <mgb01105731@alibaba-inc.com> - 0.2-1
+- Add --tool_version to check the version of tool
+
 * Thu May 26 2022 XueZhixin <xuezhixin@uniontech.com> - 0.1-6
 - Add offline migration