Update README.md

Author: lzrobots

README.md

@@ -44,7 +44,7 @@ ZSL and GZSL performance evaluated under GBU setting [1]: ResNet feature, GBU sp
 | ** DEM (OURS)** | | | | | | | | |
 
  | one | two, and a half | three and a quarter | | |
-| ----: | :-------------: | :-----------------: | :---: | :---- |
+| ---- | ------------- | ----------------- | ---- |---- |
 | four | five | | | six |
 | hell || hath no | fury | |