From 286c0bd069428108d94295688b7cd68ad37f9e70 Mon Sep 17 00:00:00 2001
From: claude_dev <claude-dev@sanguo.local>
Date: Fri, 31 Jul 2026 13:21:16 +0800
Subject: [PATCH] =?UTF-8?q?fix(portfolio-backtest):=20=E5=87=80=E5=80=BC?=
 =?UTF-8?q?=E6=9B=B2=E7=BA=BFwatch=E5=8A=A0flush:'post'?=
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watch(equityCurve) 默认 flush:'pre' 在 DOM 更新前触发,
equityEl div(在 v-if=result 内)尚未挂载→echarts.init 拿不到 DOM→空图。
flush:'post' 让 watch 在 DOM 更新后触发,曲线正常渲染。
---
 frontend/src/views/backtest/PortfolioBacktest.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/src/views/backtest/PortfolioBacktest.vue b/frontend/src/views/backtest/PortfolioBacktest.vue
index 2ec20cf..49c7abe 100644
--- a/frontend/src/views/backtest/PortfolioBacktest.vue
+++ b/frontend/src/views/backtest/PortfolioBacktest.vue
@@ -65,7 +65,7 @@ function renderEquity(): void {
 onMounted(() => {
   // 等 dom 挂载后渲染(若有初始数据)
 })
-watch(equityCurve, renderEquity, { deep: true })
+watch(equityCurve, renderEquity, { deep: true, flush: 'post' })
 
 function fmtPct(v: number | null | undefined): string {
   if (v === null || v === undefined || !Number.isFinite(v)) return '-'