From ce0da21067e3c8eee4ab3774e5fb53d5f70bf184 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E5=BF=97=E4=B8=9C?= <zhidong.sun@yiducloud.cn>
Date: Fri, 28 Jul 2017 12:08:03 +0800
Subject: [PATCH] check popper exist before invoke scrollIntoView

---
 packages/select/src/select.vue | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/select/src/select.vue b/packages/select/src/select.vue
index 949aa8720..3b2298a94 100644
--- a/packages/select/src/select.vue
+++ b/packages/select/src/select.vue
@@ -355,8 +355,10 @@
       },
 
       scrollToOption(className = 'selected') {
-        const menu = this.$refs.popper.$el.querySelector('.el-select-dropdown__wrap');
-        scrollIntoView(menu, menu.getElementsByClassName(className)[0]);
+        if (this.$refs.popper) {
+          const menu = this.$refs.popper.$el.querySelector('.el-select-dropdown__wrap');
+          scrollIntoView(menu, menu.getElementsByClassName(className)[0]);
+        }
       },
 
       handleMenuEnter() {