Update README.md

README.md

@@ -17,11 +17,11 @@ See also: [Github repository](https://github.com/HFAiLab/FourCastNet) and [High-
 
 Typhoon track prediction:
 
-![](https://github.com/HFAiLab/FourCastNet/blob/master/img/wind_small.gif)
+![](./wind_small.gif)
 
 Water vapour prediction:
 
-![](https://github.com/HFAiLab/FourCastNet/blob/master/img/precipitation_small.gif)
+![](./precipitation_small.gif)
 
 For more cases about FourCastNet prediction, please have a look at [HF-Earth](https://www.high-flyer.cn/hf-earth/), a daily updated demo released by [High-Flyer AI](https://www.high-flyer.cn/en/).