The Chinese characters are not written correctly; the script should be the Small Seal script. Furthermore, the medium is inappropriate: bamboo slips could not be aligned in pairs to accommodate a single line of text, nor were they used as a surface for illustrations—at that time, paintings were executed either on walls or on silk.
As for other aspects—such as objects that do not align with the historical image of the Han Dynasty—these are of secondary importance.
I've always enjoyed the idea of large scale strategy battles in 0 A.D., but connection problems can make them frustrating. Better synchronization would definitely improve the experience.
It's very good and I'd like to add it to Atlas, but what we're looking for is a 5th century rendition of the theater, which has wooden seating and a very simple skene.