Update README.md

README.md

@@ -9,9 +9,9 @@ With PaddlePALM, it is easy to achieve effecient exploration of robust learning
 ![mrqa](https://tva1.sinaimg.cn/large/006tNbRwly1gbjkuuwrmlj30hs0hzdh2.jpg)
 
 <p align="center">
-	<img src="https://tva1.sinaimg.cn/large/006tNbRwly1gbjkuuwrmlj30hs0hzdh2.jpg" alt="Sample"  width="150" height="240">
+	<img src="https://tva1.sinaimg.cn/large/006tNbRwly1gbjkuuwrmlj30hs0hzdh2.jpg" alt="Sample"  width="450" height="850">
 	<p align="center">
-		<em>MRQA</em>
+		<em>MRQA2019 Leaderboard</em>
 	</p>
 </p>