diff --git a/backend/SystemUpdater/UpdateManagerDbus.py b/backend/SystemUpdater/UpdateManagerDbus.py
index e5d68ae..9887b28 100755
--- a/backend/SystemUpdater/UpdateManagerDbus.py
+++ b/backend/SystemUpdater/UpdateManagerDbus.py
@@ -420,9 +420,10 @@ class UpdateManagerDbusController(dbus.service.Object):
                     success,upgrade_group, error_string,error_desc)
 
     #发送下载包信息 fix bug 字节大小改成u 无符号32位
-    @dbus.service.signal(UPDATER_DBUS_INTERFACE, signature='iiuui')
-    def UpdateDownloadInfo(self, current_items, total_items, currenty_bytes, total_bytes, current_cps):
-        logging.info(COLORLOG_PREFIX + "emit" + COLORLOG_SUFFIX +" UpdateDownloadInfo current_items = %d, total_items = %d, currenty_bytes = %s, total_bytes = %s, current_cps = %s/s",\
+    @dbus.service.signal(UPDATER_DBUS_INTERFACE, signature='asiiuui')
+    def UpdateDownloadInfo(self,upgrade_group,current_items, total_items, currenty_bytes, total_bytes, current_cps):
+        logging.info(COLORLOG_PREFIX + "emit" + COLORLOG_SUFFIX +" UpdateDownloadInfo upgrade_group = %a,current_items = %d, total_items = %d, currenty_bytes = %s, total_bytes = %s, current_cps = %s/s",\
+                    upgrade_group,\
                     current_items, total_items, \
                     humanize_size(currenty_bytes), humanize_size(total_bytes),\
                     humanize_size(current_cps))
diff --git a/backend/SystemUpdater/backend/InstallBackendAptdaemon.py b/backend/SystemUpdater/backend/InstallBackendAptdaemon.py
index 61dd026..c307d3f 100644
--- a/backend/SystemUpdater/backend/InstallBackendAptdaemon.py
+++ b/backend/SystemUpdater/backend/InstallBackendAptdaemon.py
@@ -284,6 +284,7 @@ class InstallBackendAptdaemon(InstallBackend):
     def _on_progress_download_changed(self,trans,current_items, total_items, currenty_bytes, total_bytes, current_cps, eta):
         if self.action == self.ACTION_INSTALL:
             self.window_main.dbusController.UpdateDownloadInfo(\
+                            self.now_upgrade.upgrade_groups+self.now_upgrade.single_pkgs,\
                             current_items,  total_items, \
                             currenty_bytes, total_bytes, \
                             current_cps)