diff --git a/examples/routers/menu.vue b/examples/routers/menu.vue
index 840bc751..3d2f8251 100644
--- a/examples/routers/menu.vue
+++ b/examples/routers/menu.vue
@@ -1,6 +1,6 @@
 <template>
     <div>
-        <Menu mode="horizontal" :theme="theme1" active-name="1" @on-select="s">
+        <Menu mode="horizontal" :theme="theme1" @on-select="s">
             <Row type="flex" justify="center" align="middle">
                 <i-col span="12">
                     <Menu-item name="1">
diff --git a/src/components/menu/menu.vue b/src/components/menu/menu.vue
index 95dc6cd8..bf6617f1 100644
--- a/src/components/menu/menu.vue
+++ b/src/components/menu/menu.vue
@@ -69,7 +69,7 @@
         },
         methods: {
             updateActiveName () {
-                if (!this.currentActiveName) {
+                if (this.currentActiveName === undefined) {
                     this.currentActiveName = -1;
                 }
                 this.broadcast('Submenu', 'on-update-active-name', false);