From df59c58ffcd2f3ef67de07602246edfb6878233d Mon Sep 17 00:00:00 2001
From: 7115066 <36840338+7115066@users.noreply.github.com>
Date: Wed, 18 Sep 2019 10:56:32 +0800
Subject: [PATCH] =?UTF-8?q?fix(ImagePreview):Issues=20#4391=20ImagePreview?=
 =?UTF-8?q?=E7=BC=A9=E6=94=BE=E4=B8=8D=E8=B7=9F=E6=89=8B=20=20(#4477)?=
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---
 src/image-preview/ImagePreview.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/image-preview/ImagePreview.js b/src/image-preview/ImagePreview.js
index dc62df888..e2e1c33c6 100644
--- a/src/image-preview/ImagePreview.js
+++ b/src/image-preview/ImagePreview.js
@@ -13,10 +13,8 @@ const [createComponent, bem] = createNamespace('image-preview');
 
 function getDistance(touches) {
   return Math.sqrt(
-    Math.abs(
-      (touches[0].clientX - touches[1].clientX) *
-        (touches[0].clientY - touches[1].clientY)
-    )
+    ((touches[0].clientX - touches[1].clientX) ** 2) +
+    ((touches[0].clientY - touches[1].clientY) ** 2)
   );
 }