diff --git a/README.md b/README.md
index 9f3e2f02248046abe4bac0479acf4ef917bf4649..548f29849599776d4aa761b2084fd13391168a10 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,13 @@
 
     该选项会在用户自定义json文件路径下创建文件，不使用该选项则创建默认文件`/var/log/centostoanolis.json`。
 
+* `-l` 离线迁移
+
+    在无法接入到mirrors.openanolis.org 或 mirrors.aliyun.com时，使用本地源迁移系统。
+    
+    在运行工具之前，编辑Anolis仓库的repo文件：/etc/yum.repos.d/switch-to-anolis.repo
+
+    
 ## 问题反馈
 
    任何问题，需求或者疑问，都可以在[bugzilla.openanolis.cn][1]上提交。
diff --git a/centos2anolis.py b/centos2anolis.py
index 8718d96f071f46aa591035da2f2a94c44c85df7e..53302763b5732cb6fef6a1daed58d12caaa937ce 100644
--- a/centos2anolis.py
+++ b/centos2anolis.py
@@ -666,7 +666,7 @@ def download_anolis_release():
         update_json_info()
         clean_and_exit()
 
-def switch_release_pkgs():
+def switch_release_pkgs(local_flag):
     log_it(logging.INFO, "Switching old release package with Anolis OS...", True)
     dst_rpms = [s + '*.rpm' for s in dst_release]
     subprocess.run('rpm -i --force ' + ' '.join(dst_rpms) + ' --nodeps', shell=True)
@@ -674,7 +674,10 @@ def switch_release_pkgs():
         subprocess.run('rpm -e --nodeps ' + old_release_pkg, shell=True)
     else:
         subprocess.run('rpm -e --nodeps ' + old_release_pkg + ' centos-gpg-keys', shell=True)
-    os.remove(os.path.join(reposdir, 'switch-to-anolis.repo'))
+    if not local_flag:
+        os.remove(os.path.join(reposdir, 'switch-to-anolis.repo'))
+    else:
+        local_disabled_release_repo()
 
 def optimise_repofile(accelerate):
     log_it(logging.INFO, "optimise repofile", True)
@@ -838,7 +841,42 @@ def update_json_info(info=False):
         with open("/var/log/centostoanolis.json", "w") as f:
             json.dump(jd,f)
 
-def main(verify_all_rpms=False, accelerate=False, version=False, continue_after_sync=False, custom_log_dir = False, custom_json_file=False):
+
+def local_disabled_release_repo():
+    path = '/etc/yum.repos.d'
+    if os.path.exists(path):
+        file_list = os.listdir(path)
+    for file in file_list:
+        fpath = os.path.join(path, file)
+        if os.path.isdir(fpath):
+            continue
+        else:
+            if re.fullmatch('switch-to-anolis.repo', file, re.IGNORECASE):
+                continue
+            elif not re.search('repo$', file, re.IGNORECASE):
+                continue
+            with open(fpath, 'r') as fdst:
+                allrepo = fdst.read()
+                fdst.close()
+                with open(fpath + '.disabled', 'w+') as fdsta:
+                    fdsta.write(
+                        '#This is a yum repository file that was disabled . \n' + allrepo)
+                    fdsta.close()
+                    os.remove(fpath)
+
+
+def check_local_repo(localrepo):
+    if not localrepo:
+        return
+    repopath = '/etc/yum.repos.d/switch-to-anolis.repo'
+    if os.path.exists(repopath):
+        local_disabled_release_repo()
+        return
+    else:
+        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):
     global jd
     global jsoncount
     global custom_json_file1
@@ -847,6 +885,7 @@ def main(verify_all_rpms=False, accelerate=False, version=False, continue_after_
     custom_json_file1=custom_json_file
     log_it(logging.INFO, "====== Start ======")
     check_user()
+    check_local_repo(local_repo)
     get_current_version(continue_after_sync)
     if not continue_after_sync:
         try:
@@ -861,12 +900,13 @@ def main(verify_all_rpms=False, accelerate=False, version=False, continue_after_
             check_yumdownloader()
             check_mysql(version)
             check_repodir()
-            backup_repofiles()
-            process_third_repos()
-            write_switch_repo(accelerate)
+            if not local_repo:
+                backup_repofiles()
+                process_third_repos()
+                write_switch_repo(accelerate)
             modify_yum_conf()
             download_anolis_release()
-            switch_release_pkgs()
+            switch_release_pkgs(local_repo)
             optimise_repofile(accelerate)
             install_base_pkgs()
             process_pkgs_for_c7()
@@ -900,7 +940,8 @@ if __name__ == "__main__":
     parser.add_argument('-c', action='store_true', help='Continue to migration after distro-sync')
     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')
     args = parser.parse_args()
-    sys.exit(main(args.V, args.s, args.v, args.c, args.log_dir, args.progress_file))
+    sys.exit(main(args.V, args.s, args.v, args.c, args.log_dir, args.progress_file, args.l))
 
 
diff --git a/centos2anolis.spec b/centos2anolis.spec
index 55a35ca0cf6d35fe3d3c3fa19fcb6911f3b28792..02a37faafb8bf57a27808d051ae5a6c1756a8f07 100644
--- a/centos2anolis.spec
+++ b/centos2anolis.spec
@@ -1,4 +1,4 @@
-%define anolis_release 5
+%define anolis_release 6
 
 Name:           centos2anolis
 Version:        0.1
@@ -39,6 +39,9 @@ install -m 755 %{SOURCE0} %{buildroot}/%{_sbindir}
 
 
 %changelog
+* Thu May 26 2022 XueZhixin <xuezhixin@uniontech.com> - 0.1-6
+- Add offline migration
+
 * Thu May 26 2022 mgb0110571 <mgb01105731@alibaba-inc.com> - 0.1-5
 - add custom log path
 - add custom json file