fix basic example

Author: yyx990803

example/basic/index.html

@@ -17,8 +17,8 @@
       <h1>Hello App!</h1>
       <p>
         <!-- use v-link directive for navigation. -->
-        <a v-link="/foo">Go to Foo</a>
-        <a v-link="/bar">Go to Bar</a>
+        <a v-link="{ path: '/foo' }">Go to Foo</a>
+        <a v-link="{ path: '/bar' }">Go to Bar</a>
       </p>
       <!-- use router-view element as route outlet -->
       <router-view></router-view>