diff --git a/src/components/avatar/avatar.vue b/src/components/avatar/avatar.vue
index 58856771..eec02efe 100644
--- a/src/components/avatar/avatar.vue
+++ b/src/components/avatar/avatar.vue
@@ -13,7 +13,7 @@
         },
         data () {
             return {
-
+                prefixCls: prefixCls
             };
         },
         computed: {