diff --git a/2019/12/vue-router.md b/2019/12/vue-router.md
index 57b1947..53629b3 100644
--- a/2019/12/vue-router.md
+++ b/2019/12/vue-router.md
@@ -277,3 +277,4 @@ export default {
 
 ###嵌套路由
 
+