diff --git a/Admin.NET/Admin.NET.Core/Entity/EntityBase.cs b/Admin.NET/Admin.NET.Core/Entity/EntityBase.cs
index d2eaa58d..9f923135 100644
--- a/Admin.NET/Admin.NET.Core/Entity/EntityBase.cs
+++ b/Admin.NET/Admin.NET.Core/Entity/EntityBase.cs
@@ -1,4 +1,4 @@
-// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
+// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
 //
 // 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
 //
@@ -21,7 +21,7 @@ public abstract class EntityBaseId
 /// <summary>
 /// 框架实体基类
 /// </summary>
-[SugarIndex("index_{table}_CT", nameof(CreateTime), OrderByType.Asc)]
+[SugarIndex("i_{table}_CT", nameof(CreateTime), OrderByType.Asc)]
 public abstract class EntityBase : EntityBaseId, IDeletedFilter
 {
     /// <summary>
diff --git a/Admin.NET/Admin.NET.Core/Entity/SysAlipayTransaction.cs b/Admin.NET/Admin.NET.Core/Entity/SysAlipayTransaction.cs
index 5913471d..d9228d90 100644
--- a/Admin.NET/Admin.NET.Core/Entity/SysAlipayTransaction.cs
+++ b/Admin.NET/Admin.NET.Core/Entity/SysAlipayTransaction.cs
@@ -11,9 +11,9 @@ namespace Admin.NET.Core;
 /// </summary>
 [SugarTable(null, "支付宝交易记录表")]
 [SysTable]
-[SugarIndex("index_{table}_U", nameof(UserId), OrderByType.Asc)]
-[SugarIndex("index_{table}_T", nameof(TradeNo), OrderByType.Asc)]
-[SugarIndex("index_{table}_O", nameof(OutTradeNo), OrderByType.Asc)]
+[SugarIndex("i_sysalipaytransaction_u", nameof(UserId), OrderByType.Asc)]
+[SugarIndex("i_sysalipaytransaction_t", nameof(TradeNo), OrderByType.Asc)]
+[SugarIndex("i_sysalipaytransaction_o", nameof(OutTradeNo), OrderByType.Asc)]
 public class SysAlipayTransaction : EntityBase
 {
     /// <summary>
diff --git a/Admin.NET/Admin.NET.Core/SqlSugar/SqlSugarExtension.cs b/Admin.NET/Admin.NET.Core/SqlSugar/SqlSugarExtension.cs
index cee95ea7..2f3d7647 100644
--- a/Admin.NET/Admin.NET.Core/SqlSugar/SqlSugarExtension.cs
+++ b/Admin.NET/Admin.NET.Core/SqlSugar/SqlSugarExtension.cs
@@ -348,7 +348,7 @@ public static class SqlSugarExtension
         // 将不存在实体中的字段改为可空
         var entityInfo = dbProvider.EntityMaintenance.GetEntityInfo(entityType);
         var dbColumnInfos = dbProvider.DbMaintenance.GetColumnInfosByTableName(entityInfo.DbTableName) ?? [];
-        foreach (var dbColumnInfo in dbColumnInfos.Where(dbColumnInfo => !dbColumnInfo.IsPrimarykey && entityInfo.Columns.All(u => u.DbColumnName != dbColumnInfo.DbColumnName)))
+        foreach (var dbColumnInfo in dbColumnInfos.Where(dbColumnInfo => !dbColumnInfo.IsPrimarykey && entityInfo.Columns.All(u => u.DbColumnName==null || u.DbColumnName.ToLower() != dbColumnInfo.DbColumnName.ToLower())))
         {
             dbColumnInfo.IsNullable = true;
             dbProvider.DbMaintenance.UpdateColumn(entityInfo.DbTableName, dbColumnInfo);