From 8f5ce4bc74a38d21e41bb8a009500d17368b9f87 Mon Sep 17 00:00:00 2001
From: kennethcheng <a1478925630@163.com>
Date: Wed, 29 Apr 2026 12:17:34 +0800
Subject: [PATCH] =?UTF-8?q?fix(ledger):=20=E4=BF=AE=E5=A4=8D=E5=BF=AB?=
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---
 src/actions/snapshots.ts | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/actions/snapshots.ts b/src/actions/snapshots.ts
index 7d9c2d5..d221db8 100644
--- a/src/actions/snapshots.ts
+++ b/src/actions/snapshots.ts
@@ -4,6 +4,7 @@ import { db } from '@/db';
 import { portfolioSnapshots } from '@/db/schema';
 import { getPortfolioPositions } from './portfolio';
 import { eq, sql } from 'drizzle-orm';
+import Big from 'big.js';
 
 function getTodayInShanghai(): string {
   const now = new Date();
@@ -22,13 +23,13 @@ export async function recordDailySnapshot() {
 
   const totalValueCny = positions.reduce(
     (sum, pos) => sum.plus(pos.cnyValue || '0'),
-    0 as number | string
-  );
+    new Big(0)
+  ).toString();
 
   const totalCostCny = positions.reduce(
     (sum, pos) => sum.plus(pos.totalCostCny || '0'),
-    0 as number | string
-  );
+    new Big(0)
+  ).toString();
 
   const dateStr = getTodayInShanghai();
 
@@ -44,8 +45,8 @@ export async function recordDailySnapshot() {
     await db
       .update(portfolioSnapshots)
       .set({
-        totalValueCny: String(totalValueCny),
-        totalCostCny: String(totalCostCny),
+        totalValueCny,
+        totalCostCny,
         updatedAt: now,
       })
       .where(eq(portfolioSnapshots.date, dateStr));
@@ -54,8 +55,8 @@ export async function recordDailySnapshot() {
       success: true,
       action: 'updated',
       date: dateStr,
-      totalValueCny: String(totalValueCny),
-      totalCostCny: String(totalCostCny),
+      totalValueCny,
+      totalCostCny,
     };
   }
 
@@ -63,8 +64,8 @@ export async function recordDailySnapshot() {
     .insert(portfolioSnapshots)
     .values({
       date: dateStr,
-      totalValueCny: String(totalValueCny),
-      totalCostCny: String(totalCostCny),
+      totalValueCny,
+      totalCostCny,
       createdAt: now,
       updatedAt: now,
     });
@@ -73,8 +74,8 @@ export async function recordDailySnapshot() {
     success: true,
     action: 'inserted',
     date: dateStr,
-    totalValueCny: String(totalValueCny),
-    totalCostCny: String(totalCostCny),
+    totalValueCny,
+    totalCostCny,
   };
 }