From 3c3b5a251d6bebf993195221a4a255d5f31d9272 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E5=A4=9A=E7=9B=8A?= <wuduoyi@baidu.com>
Date: Mon, 28 Dec 2020 11:11:21 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E9=81=BF=E5=85=8D=20sparklink=20?=
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---
 src/components/SparkLine.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/SparkLine.tsx b/src/components/SparkLine.tsx
index 342fc8c2a..d4e772836 100644
--- a/src/components/SparkLine.tsx
+++ b/src/components/SparkLine.tsx
@@ -39,7 +39,7 @@ export class SparkLine extends React.Component<SparkLineProps> {
     const values = value!.map(item => this.normalizeValue(item));
     const max = Math.max(...values);
     const min = Math.min(...values);
-    const duration = max - min;
+    const duration = max - min || 1;
 
     const gap = width / (values.length - 1);
     const points: Array<{