upd

com.sharemao.web.xw3/src/main/webapp/index.jsp

@@ -51,6 +51,20 @@
                 退出
             </div-->
         </div>
+<style>
+.topinfo::after{
+    content: "";
+    display: block;
+    clear: both;
+    position: absolute;
+    right: 2%;
+    bottom: -15px;
+    background: url('/static/img/top-slogan.png') no-repeat center center;
+    background-size: 260px auto;
+    width: 260px;
+    height: 80px;
+}
+</style>
 
         <div class="home-number">
             <div class="number-row">