说明图片调整

README.md

@@ -1,6 +1,6 @@
 
 <p align="center">
-	<a href="https://www.mingsoft.net/"><img src="http://cdn.mingsoft.net/global/images/logo-blue.png" ></a>
+	<a href="https://www.mingsoft.net/"><img src="http://cdn.mingsoft.net/global/images/logo-blue.png"  width="50" height=""50></a>
 </p>
 <p align="center">
 	<strong>价值源自分享</strong>