I just got an reply from my lawyer about ting two I-485. It may clear somebody else concern about this issue. There are some reply regarding this issue and is not complete.
"If an individual files for a PR application, then later files another one, the first one is considered to be abandoned, and the 2nd will be acted upon. Your wife can file for her's based upon her approved immigrant petions, and then you can file for yours later - based upon your own approved immigrant petition. Or, your wife can file for her's and yours at the same time - based upon her approved immigrant petition. Or you can file for yours and your wife's at the same time based upon your approved immigrant petition. "