* Add flash notify for email preference seting success Signed-off-by: a1012112796 <1012112796@qq.com> * add review suggest changes Co-authored-by: Lauris BH <lauris@nix.lv> Co-Authored-By: Lauris BH <lauris@nix.lv> Co-authored-by: Lauris BH <lauris@nix.lv>