Update README.md

README.md

@@ -42,5 +42,5 @@ for item in dataset["test"]:
 <https://www.modelscope.cn/datasets/MuGeminorum/Pima>
 
 ## Reference
-[1] <a ref="https://www.kaggle.com/datasets/uciml/pima-indians-diabetes-database">Pima Indians Diabetes Database</a><br>
-[2] <https://github.com/MuGeminorum/Medical_Image_Computing/wiki/Chapter-IV-%E2%80%90-Medical-Signal-Segmentation-and-Classification>
+[1] [Pima Indians Diabetes Database](https://www.kaggle.com/datasets/uciml/pima-indians-diabetes-database)<br>
+[2] [Chapter IV ‐ Medical Signal Segmentation and Classification](https://github.com/MuGeminorum/Medical_Image_Computing/wiki/Chapter-IV-%E2%80%90-Medical-Signal-Segmentation-and-Classification)