Do not 偷走. When your daughter realises that you are not home, she will feel more insecure.
So every morning please look into your daughter's eyes and tell her goodbye,and that you will be back in the evening to play with her. You can give her kisses, you can give her hugs, but after saying goodbye you have to go and give her a smiling face even though she is crying aloud. You can promise her that you will call her very soon and usually after hearing your voice again your daughter should calm down. At least this works for us. You can also give her toys to play with to distract her.
Slowly your daughter will understand that you are not leaving her behind, and that she will hear your voice again, and she will see you again at night time. It took almost a month for our girl to stop crying when we leave for work. Now she will even wave good bye to us.
After the first time my boy can open and close the doors (main door, bathroom door and bedroom doors), he loves (and insists) to serve everyone. e.g. When I say "I vee vee la", he will run to open the bathroom door for me and let me get in, then close the door.
So, everyday when I tell him "I go to work la", he will do the same gently even he is enjoying his morning bottle, never cry.
On the other hand, he likes my maid very much, so I think he feels secured with her even I'm not I am not home.