From 3967971f3c57f6cdde3e41ccb6f652968b8d5173 Mon Sep 17 00:00:00 2001
From: 2betop <2betop.cn@gmail.com>
Date: Mon, 11 May 2020 17:21:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=20top=20lest=20=E5=80=BC=E5=8F=AF?=
 =?UTF-8?q?=E8=83=BD=E4=B8=BA=20NaN=20=E7=9A=84=E6=83=85=E5=86=B5?=
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---
 src/utils/dom.tsx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/utils/dom.tsx b/src/utils/dom.tsx
index abfc05c7..85cb66ef 100644
--- a/src/utils/dom.tsx
+++ b/src/utils/dom.tsx
@@ -152,8 +152,12 @@ export function calculatePosition(
 
   const clip = container.getBoundingClientRect();
   const clip2 = overlayNode.getBoundingClientRect();
-  const scaleX = clip2.width / overlayNode.offsetWidth;
-  const scaleY = clip2.height / overlayNode.offsetHeight;
+  const scaleX = overlayNode.offsetWidth
+    ? clip2.width / overlayNode.offsetWidth
+    : 1;
+  const scaleY = overlayNode.offsetHeight
+    ? clip2.height / overlayNode.offsetHeight
+    : 1;
 
   // auto 尝试四个方向对齐。
   placement =