Update README.md

Xunzhuo · web-flow · commit fa653004bcac · 2020-12-26T20:24:59.000+08:00
diff --git a/README.md b/README.md
@@ -1,5 +1,5 @@
 <div align="center">
-<img src="https://picreso.oss-cn-beijing.aliyuncs.com/algologo.png" width="80%"></img>
+<img src="https://picreso.oss-cn-beijing.aliyuncs.com/algologo.png" width="60%"></img>
   <span> 
   <h2> Let Everyone Study Algorithm Easier</h2>
   </span>
