[fix]error link

Author: Snailclimb

_coverpage.md

@@ -1,11 +1,11 @@
 <p align="center">
-<img src="https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-3logo-透明.png" width=""/>
+<img src="./pictures/logo.png" width="200" height="200"/>
 </p>
 <h1 align="center">JavaGuide面试突击版</h1>
 
 [常用资源](https://shimo.im/docs/MuiACIg1HlYfVxrj/)
-[GitHub](https://github.com/Snailclimb)
-[开始阅读](#a-0必看)
+[GitHub](https://github.com/Snailclimb/JavaGuide-Interview)
+[开始阅读](#javaguide-interview)