doc: update doc

Author: undefined

src/layouts/header/Menu.vue

@@ -12,8 +12,8 @@
       :getPopupContainer="trigger => trigger.parentNode"
     >
       <a-select-option :value="antdVersion">{{ antdVersion }}</a-select-option>
-      <a-select-option value="1.x" @click="changeVersion('1.x')">v1</a-select-option>
-      <a-select-option value="v3" @click="changeVersion('next')">v3</a-select-option>
+      <a-select-option value="1.x" @click="changeVersion('1x')">v1</a-select-option>
+      <a-select-option value="v3" @click="changeVersion('www')">v3</a-select-option>
     </a-select>
     <a-button
       size="small"