From a0d4e6d05d33017fa712563de16474a0f443af65 Mon Sep 17 00:00:00 2001
From: 16337 <1633794139@qq.com>
Date: Thu, 19 Mar 2026 11:42:50 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=EF=BC=9A=E5=91=8A=E8=AD=A6?=
 =?UTF-8?q?=E8=B6=8B=E5=8A=BF=E5=9B=BE=E4=BB=8E=E5=A0=86=E5=8F=A0=E9=9D=A2?=
 =?UTF-8?q?=E7=A7=AF=E6=94=B9=E4=B8=BA=E7=8B=AC=E7=AB=8B=E6=8A=98=E7=BA=BF?=
 =?UTF-8?q?=E5=9B=BE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

去掉 stack + areaStyle，每种告警类型独立一条折线，
都从 Y 轴 0 开始，更直观易读。
---
 .../src/views/aiot/alarm/summary/chart-options.ts        | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/apps/web-antd/src/views/aiot/alarm/summary/chart-options.ts b/apps/web-antd/src/views/aiot/alarm/summary/chart-options.ts
index 5f6c80f8b..138e14839 100644
--- a/apps/web-antd/src/views/aiot/alarm/summary/chart-options.ts
+++ b/apps/web-antd/src/views/aiot/alarm/summary/chart-options.ts
@@ -28,7 +28,7 @@ const LEVEL_COLORS: Record<number, string> = {
   3: '#8c8c8c',
 };
 
-/** 告警趋势面积图 */
+/** 告警趋势折线图（每种类型独立一条线，都从0开始） */
 export function getTrendChartOptions(data: AiotAlarmApi.TrendItem[]): any {
   const dates = data.map((d) => d.date.slice(5)); // MM-DD
   const types = Object.keys(TYPE_NAMES);
@@ -36,7 +36,7 @@ export function getTrendChartOptions(data: AiotAlarmApi.TrendItem[]): any {
   return {
     tooltip: {
       trigger: 'axis',
-      axisPointer: { type: 'cross', label: { backgroundColor: '#6a7985' } },
+      axisPointer: { type: 'line' },
     },
     legend: {
       data: types.map((t) => TYPE_NAMES[t]),
@@ -53,10 +53,11 @@ export function getTrendChartOptions(data: AiotAlarmApi.TrendItem[]): any {
       name: TYPE_NAMES[type],
       type: 'line',
       smooth: true,
-      stack: 'total',
-      areaStyle: { opacity: 0.25 },
+      symbol: 'circle',
+      symbolSize: 6,
       emphasis: { focus: 'series' },
       itemStyle: { color: TYPE_COLORS[type] },
+      lineStyle: { width: 2 },
       data: data.map((d) => (d[type] as number) || 0),
     })),
   };