fix(README): 🐛 fix README layout issues and show withdrawn message lists

optimize reading Qiniu cloud domain name configuration (read domain name settings stored in config)

index.html

@@ -6,6 +6,7 @@
     <meta
       name="viewport"
       content="width=device-width, initial-scale=1, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
+    <link rel="icon" type="image/png" href="/logo.png" />
 
     <!-- iconpark图标库 -->
     <script async src="/icon.js"></script>