what do i do.. i miss my wife

Have been rejected visa probbaly because my name is on the black list... , but what can i do... To get back to my wife in china..,my wife is a chinese..i overstayed the last time i was there...but we are married. i miss her so much... please give advice on what to do... Have been rejected entry permit application once....am a nigerian...please any solution i can't wait to see her.....