diff --git a/backend/SystemUpdater/UpdateManager.py b/backend/SystemUpdater/UpdateManager.py
index 583e309..32f9c1c 100644
--- a/backend/SystemUpdater/UpdateManager.py
+++ b/backend/SystemUpdater/UpdateManager.py
@@ -181,27 +181,28 @@ class UpdateManager():
             deb_cache = Cache()
             broken_count = deb_cache._depcache.broken_count
             if broken_count > 0:
-                errormsg = ''
-                pkg_list_str = " ".join(pkgs_list)
-                # args = ["dpkg", "-r"]
-                # args.extend([pkg_list_str])
-
-                # p = subprocess.Popen(args, stdout=subprocess.PIPE)
-                # (ver, error)= p.communicate()
-                # print(ver + error)
-                # print(p.returncode)
-                # # p.stdin.write(errormsg)
-                # # p.stdin.close()
-                # logging.error(p.stdin)
-
-                # pkg_list_str = " ".join(pkgs_list)
-                return os.spawnlp(os.P_WAIT, "dpkg", "dpkg", "-r", pkg_list_str)
+                _success,header,desc = self._dpkg_purge_pkgs(pkgs_list)
+                if _success == True:
+                    logging.info(header)
+                    self.dbusController.PurgePackagesFinished(_success,'',desc)
+                else:
+                    self.dbusController.PurgePackagesFinished(_success,header,desc)
             else:
                 purge_backend = get_backend(self, InstallBackend.ACTION_REMOVE_PACKAGES)
                 purge_backend.start(partial_upgrade_list = pkgs_list)
         except Exception as e:
             logging.error(e)
 
+    def _dpkg_purge_pkgs(self,pkgs_list):
+        success = False
+        pkg_list_str = " ".join(pkgs_list)
+        args = ["dpkg", "-r"]
+        args.extend([pkg_list_str])
+
+        p = subprocess.run(args, stdout=subprocess.PIPE,stderr=subprocess.STDOUT,text=True)
+        success = p.returncode == 0
+        return success,p.stdout,''
+
     #更新结束之后会调到此获取要升级的列表 and 更新cache 生成升级组列表JSON
     def start_available(self):
         _success,header,desc = self.refresh_cache()
diff --git a/backend/kylin-system-updater b/backend/kylin-system-updater
index f229f07..7a1d7b8 100755
--- a/backend/kylin-system-updater
+++ b/backend/kylin-system-updater
@@ -76,4 +76,5 @@ if __name__ == "__main__":
   if app.configs.getWithDefault("SystemStatus", "isabnormalreboot", False) == True:
     app.start_update()
 
+  app.start_purge_pkgs(['kylin-video'])
   app.run()
\ No newline at end of file