update

src/layout/header.vue

@@ -1,7 +1,9 @@
 <template>
   <a-layout-header class="header-layout">
     <div class="content-layout">
-      <h2><img :src="logoPng" /></h2>
+      <h2>
+        <a :href="mainURL"><img :src="logoPng" /></a>
+      </h2>
 
       <a-dropdown placement="bottomRight">
         <template #overlay>