Update README.md

Author: xuwei-fit2cloud

README.md

@@ -3,7 +3,8 @@
 <p align="center">
   <a href="https://github.com/dataease/SQLBot/releases/latest"><img src="https://img.shields.io/github/v/release/dataease/SQLBot" alt="Latest release"></a>
   <a href="https://github.com/dataease/SQLBot"><img src="https://img.shields.io/github/stars/dataease/SQLBot?color=%231890FF&style=flat-square" alt="Stars"></a>    
-  <a href="https://hub.docker.com/r/dataease/SQLbot"><img src="https://img.shields.io/docker/pulls/dataease/SQLBot?label=downloads" alt="Download"></a><br/>
+  <a href="https://hub.docker.com/r/dataease/SQLbot"><img src="https://img.shields.io/docker/pulls/dataease/sqlbot?label=downloads" alt="Download"></a><br/>
+
 </p>
 <hr/>