update readme

README.md

@@ -1,6 +1,6 @@
 <p align="center">
     <a href="https://www.iviewui.com">
-        <img width="200" src="https://raw.githubusercontent.com/iview/iview/master/assets/logo.png">
+        <img width="200" src="https://raw.githubusercontent.com/iview/iview/master/assets/logo.svg">
     </a>
 </p>
 
@@ -34,7 +34,7 @@
 - Dozens of useful and beautiful components.
 - Friendly API. It's made for people with all skill levels.
 - Extensive documentation.
-- It is quite beautiful
+- It is quite beautiful.
 - Support Vue.js 2 and Vue.js 1.
 
 ## Programming

assets/logo.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 72 72" style="enable-background:new 0 0 72 72;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#3399FF;}
+	.st1{fill:#00CC99;}
+</style>
+<polygon id="XMLID_85_" class="st0" points="59.1,12.3 19.2,12.3 25.4,21.4 53,21.4 49.5,26.6 39.2,41.9 44.7,50.1 60.6,26.6 
+	64.1,21.4 70.3,12.3 "/>
+<g id="XMLID_36_">
+	<polygon id="XMLID_57_" class="st1" points="41.5,54.9 36,46.6 36,46.6 22.4,26.6 11.3,26.6 30.4,54.9 30.4,54.9 36,63.1 	"/>
+	<polygon id="XMLID_44_" class="st1" points="12.8,12.3 1.7,12.3 7.8,21.4 19,21.4 	"/>
+</g>
+</svg>