diff --git a/Yi.Furion.Net6/Yi.Framework.Infrastructure/Sqlsugar/SqlSugarDbContext.cs b/Yi.Furion.Net6/Yi.Framework.Infrastructure/Sqlsugar/SqlSugarDbContext.cs
index ad6757e5..a8e3216c 100644
--- a/Yi.Furion.Net6/Yi.Framework.Infrastructure/Sqlsugar/SqlSugarDbContext.cs
+++ b/Yi.Furion.Net6/Yi.Framework.Infrastructure/Sqlsugar/SqlSugarDbContext.cs
@@ -111,8 +111,8 @@ namespace Yi.Framework.Infrastructure.Sqlsugar
 
                     if (entityInfo.PropertyName.Equals(nameof(IAuditedObject.LastModificationTime)))
                     {
-                        //为空或者为默认最小值
-                        if (oldValue is not null || !DateTime.MinValue.Equals((DateTime)oldValue))
+                        //不等于默认最小值，其他null或者有值都进行赋值
+                        if (!DateTime.MinValue.Equals((DateTime)oldValue))
                         {
                             entityInfo.SetValue(DateTime.Now);
                         }
@@ -137,8 +137,8 @@ namespace Yi.Framework.Infrastructure.Sqlsugar
 
                     if (entityInfo.PropertyName.Equals(nameof(IAuditedObject.CreationTime)))
                     {
-                        //为空或者为默认最小值
-                        if (oldValue is not null || !DateTime.MinValue.Equals((DateTime)oldValue))
+                        //为空或者为默认最小值都进行赋值
+                        if (oldValue is null || DateTime.MinValue.Equals((DateTime)oldValue))
                         {
                             entityInfo.SetValue(DateTime.Now);
                         }