fix: update backing up notification message (#353)

Bug: https://pms.uniontech.com/bug-view-354291.html

Author: zhaohuiw42

locale/lastore-daemon.pot

@@ -144,7 +144,7 @@ msgid "Backing up and installing updates..."
 msgstr ""
 
 #: ../src/lastore-daemon/manager_upgrade.go:204
-msgid "Start to update. Please do not shutdown"
+msgid "Download completed, system starts backing up before update"
 msgstr ""
 
 #: ../src/lastore-daemon/manager_upgrade.go:267

locale/zh_CN.po

@@ -153,8 +153,8 @@ msgid "Backing up and installing updates..."
 msgstr "备份和安装更新中..."
 
 #: ../src/lastore-daemon/manager_upgrade.go:204
-msgid "Start to update. Please do not shutdown"
-msgstr "系统开始更新，更新完成前请不要关闭计算机"
+msgid "Download completed, system starts backing up before update"
+msgstr "下载完成，系统开始进行更新前备份"
 
 #: ../src/lastore-daemon/manager_upgrade.go:267
 msgid "Backup failed!"

src/lastore-daemon/manager_upgrade.go

@@ -203,7 +203,7 @@ func (m *Manager) distUpgradePartly(sender dbus.Sender, origin system.UpdateType
 				// 设置UpdateStatus为WaitRunUpgrade，隐藏更新并关机/重启按钮
 				m.statusManager.SetUpdateStatus(mode, system.WaitRunUpgrade)
 				if m.config.IntranetUpdate {
-					msg := gettext.Tr("Start to update. Please do not shutdown")
+					msg := gettext.Tr("Download completed, system starts backing up before update")
 					go m.sendNotify(updateNotifyShow, 0, "preferences-system", "", msg, nil, nil, system.NotifyExpireTimeoutNoHide)
 				}