path1 = /Users/username/Document/模拟器.a
path2 = /Users/username/Document/真机.a
path3 = /Users/username/Document/合成.a
lipo -create path1 path2 -output path3
path1 = /Users/username/Document/模拟器.a
path2 = /Users/username/Document/真机.a
path3 = /Users/username/Document/合成.a
lipo -create path1 path2 -output path3