From f9d24203c6afd455778be22c566729a82f009d98 Mon Sep 17 00:00:00 2001
From: claw_bot <claw@jb18cm.plus>
Date: Thu, 12 Mar 2026 06:08:57 +0000
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=A1=8C=E6=83=85=E7=BC=93?=
 =?UTF-8?q?=E5=AD=98=E5=AD=97=E6=AE=B5=E6=BA=A2=E5=87=BA=E9=97=AE=E9=A2=98?=
 =?UTF-8?q?=EF=BC=9A=E4=BB=B7=E6=A0=BC=E4=BF=9D=E7=95=998=E4=BD=8D?=
 =?UTF-8?q?=E5=B0=8F=E6=95=B0=EF=BC=8C=E5=AD=97=E6=AE=B5=E9=95=BF=E5=BA=A6?=
 =?UTF-8?q?=E6=89=A9=E5=B1=95=E4=B8=BA20=E4=BD=8D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 AssetManager.Data/MarketPriceCache.cs                     | 4 ++--
 AssetManager.Infrastructure/Services/MarketDataService.cs | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/AssetManager.Data/MarketPriceCache.cs b/AssetManager.Data/MarketPriceCache.cs
index a264d99..4fd676d 100644
--- a/AssetManager.Data/MarketPriceCache.cs
+++ b/AssetManager.Data/MarketPriceCache.cs
@@ -29,13 +29,13 @@ public class MarketPriceCache
     /// <summary>
     /// 最新价格
     /// </summary>
-    [SugarColumn(DecimalDigits = 8, IsNullable = false)]
+    [SugarColumn(Length = 20, DecimalDigits = 8, IsNullable = false)]
     public decimal Price { get; set; }
 
     /// <summary>
     /// 前收盘价（计算当日涨跌幅用）
     /// </summary>
-    [SugarColumn(DecimalDigits = 8, IsNullable = true)]
+    [SugarColumn(Length = 20, DecimalDigits = 8, IsNullable = true)]
     public decimal? PreviousClose { get; set; }
 
     /// <summary>
diff --git a/AssetManager.Infrastructure/Services/MarketDataService.cs b/AssetManager.Infrastructure/Services/MarketDataService.cs
index 88c76f0..78d0c12 100644
--- a/AssetManager.Infrastructure/Services/MarketDataService.cs
+++ b/AssetManager.Infrastructure/Services/MarketDataService.cs
@@ -342,14 +342,14 @@ public class MarketDataService : IMarketDataService
             source = "Tiingo";
         }
 
-        // 写入缓存
+        // 写入缓存，保留8位小数，避免字段超出范围
         var cacheEntity = new MarketPriceCache
         {
             Id = cacheKey,
             Symbol = symbol.ToUpper(),
             AssetType = assetType.ToUpper(),
-            Price = response.Price,
-            PreviousClose = response.PreviousClose,
+            Price = Math.Round(response.Price, 8),
+            PreviousClose = response.PreviousClose > 0 ? Math.Round(response.PreviousClose, 8) : null,
             Source = source,
             FetchedAt = DateTime.Now,
             ExpiredAt = GetCacheExpirationTime(assetType)