diff --git a/examples/routers/carousel.vue b/examples/routers/carousel.vue
index 682b570..652a393 100644
--- a/examples/routers/carousel.vue
+++ b/examples/routers/carousel.vue
@@ -2,7 +2,9 @@
     <div>
         <Carousel v-model="v1" dots="inside" trigger="hover">
             <Carousel-item>
-                <div class="demo-carousel">1</div>
+                <Card>
+                    <div class="demo-carousel">1</div>
+                </Card>
             </Carousel-item>
             <Carousel-item>
                 <div class="demo-carousel">2</div>
diff --git a/src/components/carousel/carousel-item.vue b/src/components/carousel/carousel-item.vue
index 758fe72..3e9e00c 100644
--- a/src/components/carousel/carousel-item.vue
+++ b/src/components/carousel/carousel-item.vue
@@ -25,11 +25,9 @@
             }
         },
         mounted () {
-            // todo while
             this.$parent.slotChange();
         },
         beforeDestroy () {
-            // todo while
             this.$parent.slotChange();
         }
     };
--
libgit2 0.21.4