diff --git a/AssetManager.Data/TiingoTicker.cs b/AssetManager.Data/TiingoTicker.cs
index 29e5278..3927ee5 100644
--- a/AssetManager.Data/TiingoTicker.cs
+++ b/AssetManager.Data/TiingoTicker.cs
@@ -38,18 +38,6 @@ public class TiingoTicker
     [SugarColumn(ColumnDataType = "varchar(10)")]
     public string? PriceCurrency { get; set; }
 
-    /// <summary>
-    /// 数据开始日期（startDate）
-    /// </summary>
-    [SugarColumn(IsNullable = true)]
-    public DateTime? StartDate { get; set; }
-
-    /// <summary>
-    /// 数据结束日期（endDate）
-    /// </summary>
-    [SugarColumn(IsNullable = true)]
-    public DateTime? EndDate { get; set; }
-
     /// <summary>
     /// 创建时间（导入时可空，数据库会自动设置）
     /// </summary>