diff --git a/core/update_obs_repos.py b/core/update_obs_repos.py
index b40d11fb96061e34086a01e59f6e23470ae2e14d..3c376e71d9c0f60c976678a0ece243ae917ca0c4 100755
--- a/core/update_obs_repos.py
+++ b/core/update_obs_repos.py
@@ -197,7 +197,10 @@ class RPMManager(object):
             old_rpms_list = None
         new_rpms_list = self.get_new_rpms_by_pkg(pkg)
         new_rpms_list.sort()
-        if old_rpms_list != new_rpms_list and new_rpms_list:
+        if self.kwargs["all"] and new_rpms_list:
+            self.copy_new_rpms_to_repo(pkg, new_rpms_list)
+            self.backup_old_rpms_by_pkg(pkg, old_rpms_list)
+        elif old_rpms_list != new_rpms_list and new_rpms_list:
             try:
                 self.copy_new_rpms_to_repo(pkg, new_rpms_list)
                 self.backup_old_rpms_by_pkg(pkg, old_rpms_list)
@@ -275,7 +278,7 @@ if __name__ == "__main__":
             "repo_server_port": "22233",
             "gitee_user": "xxxxxxxxx",
             "gitee_pwd": "xxxxxxxxx",
-            "pkglist": ["zip", "zsh"]
+            "pkglist": ["zip", "zsh"],
             }
     test = RPMManager(**kw)
     test.update_pkgs()
diff --git a/openeuler_obs.py b/openeuler_obs.py
index bcb7e6cd6b43fd470e2c102758aa75869bd29e0e..4053ca12823e8562afedd8a2cae230c28e2b9c05 100644
--- a/openeuler_obs.py
+++ b/openeuler_obs.py
@@ -85,6 +85,9 @@ par.add_argument("-cps", "--check_pkg_service", default=False,
         help="check if there are any problems with the content of the _service file in the rpm package", required=False)
 par.add_argument("-prid", "--pr_id", default=False,
         help="use the pr_id to get this pullrequest", required=False)
+
+par.add_argument("-a", "--_all", default=False, help="update all obs repo rpms", required=False)
+
 args = par.parse_args()
 #apply
 kw = {
@@ -116,6 +119,8 @@ kw = {
         "check_codes": args.check_codes,
         "check_pkg_service": args.check_pkg_service,
         "pr_id": args.pr_id,
+        
+        "all": args._all
         }
 
 run = Runner(**kw)