Thanks for all useful suggestion. I am still in trying.
Four days ago, I have fuel filter changed and run on high way for around a hour (may help clean fuel injector). Car run powerful and a little better, three days no problem. Yesterday, stall problems comes out again.
I haven't try IAC, craft sensor, TCC line yet. All these repair or replacement sounds cheap repair and may work. The goodthing is the car is still running. I will try one at one times. May be unplug the TCC line first. :-). It is free.