From e4afbadfcd8f58df4199bb066f5d6eecf0c56a32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A5=BD=E5=A4=9A=E5=A4=A7=E7=B1=B3?= <lost1q84@gmail.com>
Date: Mon, 9 Aug 2021 14:38:40 +0800
Subject: [PATCH] Cascader: fix a bug that makes the browser jitter in zoom
 mode (#21207)

---
 packages/cascader/src/cascader.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/cascader/src/cascader.vue b/packages/cascader/src/cascader.vue
index 2458d923c5a..29e504dfa00 100644
--- a/packages/cascader/src/cascader.vue
+++ b/packages/cascader/src/cascader.vue
@@ -640,7 +640,7 @@ export default {
       }
 
       if (tags) {
-        const { offsetHeight } = tags;
+        const offsetHeight = Math.round(tags.getBoundingClientRect().height);
         const height = Math.max(offsetHeight + 6, inputInitialHeight) + 'px';
         inputInner.style.height = height;
         this.updatePopper();