From 92b4156aaac573d94bcf35424efbdbb925bae222 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E5=A5=95?=
 <Leopoldthecoder@users.noreply.github.com>
Date: Wed, 26 Apr 2017 00:08:15 +0800
Subject: [PATCH] Select: optimize performance of long option list (#4444)

---
 packages/select/src/option.vue        | 3 +--
 packages/theme-default/src/option.css | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/packages/select/src/option.vue b/packages/select/src/option.vue
index f55127db8..88e1c5026 100644
--- a/packages/select/src/option.vue
+++ b/packages/select/src/option.vue
@@ -6,8 +6,7 @@
     v-show="visible"
     :class="{
       'selected': itemSelected,
-      'is-disabled': disabled || groupDisabled || limitReached,
-      'hover': parent.hoverIndex === index
+      'is-disabled': disabled || groupDisabled || limitReached
     }">
     <slot>
       <span>{{ currentLabel }}</span>
diff --git a/packages/theme-default/src/option.css b/packages/theme-default/src/option.css
index a0b9eb5fe..200bde845 100644
--- a/packages/theme-default/src/option.css
+++ b/packages/theme-default/src/option.css
@@ -26,7 +26,7 @@
         }
       }
 
-      &.hover {
+      &.hover, &:hover {
         background-color: var(--select-option-hover-background);
       }