update README.md.

README.md

@@ -1,4 +1,4 @@
-<a href="http://crmeb.com/web/news/detail/319" target="_blank">
+<a href="http://crmeb.com/web/news/detail/319">
 <p align="center" >
     <img src="https://images.gitee.com/uploads/images/2021/0615/142657_1e89e831_5516386.jpeg"/>
 </p>