From 42d3fc91c4d6cfcdf55792123d02504b913c8b27 Mon Sep 17 00:00:00 2001
From: OpenClaw Agent <agent@openclaw.ai>
Date: Wed, 25 Mar 2026 05:44:20 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20Position.Currency=20=E8=B5=8B=E5=80=BC?=
 =?UTF-8?q?=E4=BF=AE=E6=AD=A3?=
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创建组合时，持仓币种应使用 stock.Currency（持仓本身币种），
而非 request.Currency（组合本位币）。

例如：
- 组合本位币 CNY
- 持仓 UPRO 币种 USD
- Position.Currency 应为 USD
---
 AssetManager.Services/PortfolioService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AssetManager.Services/PortfolioService.cs b/AssetManager.Services/PortfolioService.cs
index ddb7dec..11e1227 100755
--- a/AssetManager.Services/PortfolioService.cs
+++ b/AssetManager.Services/PortfolioService.cs
@@ -128,7 +128,7 @@ public class PortfolioService : IPortfolioService
                 Shares = (decimal)stock.Amount,
                 AvgPrice = (decimal)stock.Price,
                 TotalCost = (decimal)(stock.Price * stock.Amount), // 初始成本 = 价格 × 数量
-                Currency = request.Currency,
+                Currency = stock.Currency ?? request.Currency, // 使用持仓币种，而非组合本位币
                 CreatedAt = buyTime,
                 UpdatedAt = DateTime.Now
             };