no message

Former-commit-id: 6034114d23d7abc6ef39e10e4de88a17b23ce8a8
Former-commit-id: 368f77194337643e3767733f5ac6ce9cf0f822bf
Former-commit-id: 6360de2bc9174267c8d5cc970325eca904e3d14f

src/components/core/CardFull/index.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="dd-card-full" :style="cardStyle">
-    <div class="dd-card-full__header" ref="header">
+    <div v-if="$slots.header" class="dd-card-full__header" ref="header">
       <slot name="header"></slot>
     </div>
     <div class="dd-card-full__body" :style="bodyStyle">
@@ -40,7 +40,7 @@ export default {
     }
   },
   mounted () {
-    this.headerHeight = this.$refs.header.offsetHeight
+    this.headerHeight = this.$slots.header ? this.$refs.header.offsetHeight : 0
   },
   computed: {
     cardStyle () {