From 418ac5bf793b451c01cc70eef99ceb3d333348a3 Mon Sep 17 00:00:00 2001
From: Zhi Cun <island205@gmail.com>
Date: Mon, 22 Jul 2019 14:16:13 +0800
Subject: [PATCH] Select: Fix memory leak issue (#16463)

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

diff --git a/packages/select/src/option.vue b/packages/select/src/option.vue
index ca9573f4e..349154453 100644
--- a/packages/select/src/option.vue
+++ b/packages/select/src/option.vue
@@ -153,6 +153,10 @@
     },
 
     beforeDestroy() {
+      let index = this.select.cachedOptions.indexOf(this);
+      if (index > -1) {
+        this.select.cachedOptions.splice(index, 1);
+      }
       this.select.onOptionDestroy(this.select.options.indexOf(this));
     }
   };