diff --git a/core/obs_repo_update.py b/core/obs_repo_update.py
new file mode 100644
index 0000000000000000000000000000000000000000..1c80d9295ba174cf98719ec424fbe949e9fee48b
--- /dev/null
+++ b/core/obs_repo_update.py
@@ -0,0 +1,95 @@
+#!/bin/env python3
+"""
+created by :beihengyan
+date:2020-10-26
+"""
+import os
+import sys
+import shutil
+import argparse
+import logging
+
+obs_meta="obs_meta/"
+obs_prj_meta="obs_meta/OBS_PRJ_meta/"
+
+class ProjectAction(object):
+    """
+    create,backup,delete Project
+    """
+    def __init__(self, update_type, prj_name):
+        """
+        update_type: The type with create, backup or delete
+        prj_name: The project you want operate
+        """
+        self.update_type = update_type.strip()
+        self.prj_name = prj_name.strip()
+
+    def _delete_prj(self, del_name):
+        """
+        del_name:The project you want delete
+        """
+        #delete_path=obs_prj_meta + del_name
+        #print("delete_path:" + delete_path)
+        if os.path.exists(del_name):
+            shutil.rmtree(del_name)
+            #print("delete %s , done" % delete_path)
+            loginfo="delete " + del_name
+            logging.info(loginfo)
+        else:
+            logging.warning("Project not exist")
+
+    def _backup_prj(self, back_name):
+        """
+        back_name:The project you want backup
+        """
+        #backup_path=obs_meta + back_name
+        #print("backup_path:" + backup_path)
+        if os.path.exists(back_name):
+            back_prj_name=back_name + "_bak"
+            if os.path.exists(back_prj_name):
+                shutil.rmtree(back_prj_name)
+            shutil.copytree(back_name, back_prj_name, symlinks=True, ignore=shutil.ignore_patterns('*.pyc', 'tmp*'))
+            #print("backup %s ,done " % backup_path)
+            loginfo="backup " + back_name
+            logging.info(loginfo)
+        else:
+            logging.warning("project not exist")
+
+    def _create_prj(self, create_name):
+        """
+        create_name:The project you want create
+        """
+        #create_path=obs_prj_meta + create_name
+        #print("create_path:" + create_path)
+        if os.path.exists(create_name)!=1:
+            os.makedirs(create_name)
+            print("created project:" + create_name)
+            #cd create_name dir  os.chdir(create_path)
+            #osc command to create file
+            #push? osc add, osc ci
+            #osc meta prj -e create_name
+            #
+        else:
+            #print(create_name+" is already,exit")
+            logging.warning(create_name + " is already")
+
+    def start(self):
+        logging.basicConfig(level=logging.DEBUG,
+            format="%(asctime)s %(name)s %(levelname)s %(message)s",
+            datefmt='%Y-%m-%d  %H:%M:%S %a')
+        if self.update_type == "create":
+            print("start:create project")
+            test_run._create_prj(self.prj_name)
+        elif self.update_type == "backup":
+            print("start:backup project")
+            test_run._backup_prj(self.prj_name)
+        elif self.update_type == "delete":
+            print("start:delete project")
+            test_run._delete_prj(self.prj_name)
+        else:
+            print("useless command")
+
+if __name__ == '__main__':
+    test_run=ProjectAction(sys.argv[1], sys.argv[2])
+    test_run.start()
+