diff --git a/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs b/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
index 91e3121c..77cfd63f 100644
--- a/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
+++ b/Yi.Abp.Net8/framework/Yi.Framework.SqlSugarCore/SqlSugarDbContext.cs
@@ -163,7 +163,7 @@ namespace Yi.Framework.SqlSugarCore
                     if (entityInfo.PropertyName.Equals(nameof(IAuditedObject.CreationTime)))
                     {
                         //为空或者为默认最小值
-                        if (oldValue is null || DateTime.MinValue.Equals((DateTime)oldValue))
+                        if (oldValue is null || DateTime.MinValue.Equals(oldValue))
                         {
                             entityInfo.SetValue(DateTime.Now);
                         }