From 123a80593fa47cd2abed37f9686288cf1b999916 Mon Sep 17 00:00:00 2001
From: lipinghai1 <lipinghai1@huya.com>
Date: Mon, 30 Mar 2020 15:18:24 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dplacement=E5=88=A4=E6=96=AD?=
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---
 src/utils/dom.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/dom.tsx b/src/utils/dom.tsx
index 7d5bc8939..f41f12d8b 100644
--- a/src/utils/dom.tsx
+++ b/src/utils/dom.tsx
@@ -257,7 +257,7 @@ export function calculatePosition(
 
     positionLeft += leftDelta;
     arrowOffsetLeft = 50 * (1 - (2 * leftDelta) / overlayHeight) + '%';
-  } else if ((placement = 'center')) {
+  } else if ((placement === 'center')) {
     // atX = atY = myX = myY = 'center';
     positionLeft = childOffset.left + (childOffset.width - overlayWidth) / 2;
     positionTop = childOffset.top + (childOffset.height - overlayHeight) / 2;