From 44979e710fa2b328011547b50add6502738cda71 Mon Sep 17 00:00:00 2001
From: wisonic <shaochuan.wu@fit2cloud.com>
Date: Wed, 5 Mar 2025 16:43:27 +0800
Subject: [PATCH] =?UTF-8?q?fix(=E5=9B=BE=E8=A1=A8):=20=E4=BF=AE=E5=A4=8D?=
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---
 .../src/views/chart/components/js/panel/common/common_antv.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/core-frontend/src/views/chart/components/js/panel/common/common_antv.ts b/core/core-frontend/src/views/chart/components/js/panel/common/common_antv.ts
index 6dcc62672b..9401dc5965 100644
--- a/core/core-frontend/src/views/chart/components/js/panel/common/common_antv.ts
+++ b/core/core-frontend/src/views/chart/components/js/panel/common/common_antv.ts
@@ -900,7 +900,9 @@ export function getLineDash(type) {
  */
 export function setGradientColor(rawColor: string, show = false, angle = 0, start = 0) {
   const item = rawColor.split(',')
-  item.splice(3, 1, '0.3)')
+  const alpha = parseFloat(item[3].replace(')', ''))
+  const startAlpha = alpha * 0.3
+  item.splice(3, 1, `${startAlpha})`)
   let color: string
   if (start == 0) {
     color = `l(${angle}) 0:${item.join(',')} 1:${rawColor}`