diff --git a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.EntityFrameworkCore/LINGYUN/Abp/Identity/EntityFrameworkCore/EfCoreOrganizationUnitRepository.cs b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.EntityFrameworkCore/LINGYUN/Abp/Identity/EntityFrameworkCore/EfCoreOrganizationUnitRepository.cs
index ccbfb55a8..ee24032c2 100644
--- a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.EntityFrameworkCore/LINGYUN/Abp/Identity/EntityFrameworkCore/EfCoreOrganizationUnitRepository.cs
+++ b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.EntityFrameworkCore/LINGYUN/Abp/Identity/EntityFrameworkCore/EfCoreOrganizationUnitRepository.cs
@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Dynamic.Core;
@@ -36,6 +37,10 @@ public class EfCoreOrganizationUnitRepository : Volo.Abp.Identity.EntityFramewor
         bool includeDetails = false,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = nameof(OrganizationUnit.Code);
+        }
         return await (await GetDbSetAsync())
             .IncludeDetails(includeDetails)
             .Where(specification.ToExpression())
diff --git a/aspnet-core/modules/identityServer/LINGYUN.Abp.IdentityServer.EntityFrameworkCore/LINGYUN/Abp/IdentityServer/Grants/EfCorePersistentGrantRepository.cs b/aspnet-core/modules/identityServer/LINGYUN.Abp.IdentityServer.EntityFrameworkCore/LINGYUN/Abp/IdentityServer/Grants/EfCorePersistentGrantRepository.cs
index 50dbcfbc9..47248469a 100644
--- a/aspnet-core/modules/identityServer/LINGYUN.Abp.IdentityServer.EntityFrameworkCore/LINGYUN/Abp/IdentityServer/Grants/EfCorePersistentGrantRepository.cs
+++ b/aspnet-core/modules/identityServer/LINGYUN.Abp.IdentityServer.EntityFrameworkCore/LINGYUN/Abp/IdentityServer/Grants/EfCorePersistentGrantRepository.cs
@@ -36,11 +36,14 @@ namespace LINGYUN.Abp.IdentityServer.Grants
 
         public async virtual Task<List<PersistedGrant>> GetListAsync(string subjectId = null, string filter = null, string sorting = "CreationTime", int skipCount = 1, int maxResultCount = 10, CancellationToken cancellation = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(PersistedGrant.CreationTime);
+            }
             return await (await GetDbSetAsync())
                 .WhereIf(!subjectId.IsNullOrWhiteSpace(), x => x.SubjectId.Equals(subjectId))
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x =>
                     x.Type.Contains(filter) || x.ClientId.Contains(filter) || x.Key.Contains(filter))
-                .OrderBy(sorting ?? nameof(PersistedGrant.CreationTime))
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellation));
         }
diff --git a/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.EntityFrameworkCore/LINGYUN/Abp/LocalizationManagement/EntityFrameworkCore/EfCoreTextRepository.cs b/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.EntityFrameworkCore/LINGYUN/Abp/LocalizationManagement/EntityFrameworkCore/EfCoreTextRepository.cs
index 4d058022b..43ca744e7 100644
--- a/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.EntityFrameworkCore/LINGYUN/Abp/LocalizationManagement/EntityFrameworkCore/EfCoreTextRepository.cs
+++ b/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.EntityFrameworkCore/LINGYUN/Abp/LocalizationManagement/EntityFrameworkCore/EfCoreTextRepository.cs
@@ -121,11 +121,16 @@ namespace LINGYUN.Abp.LocalizationManagement.EntityFrameworkCore
             string filter = null,
             string sorting = nameof(TextDifference.Key))
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(TextDifference.Key);
+            }
+
             var textQuery = (await GetDbSetAsync())
                 .Where(x => x.CultureName.Equals(cultureName))
                 .WhereIf(!resourceName.IsNullOrWhiteSpace(), x => x.ResourceName.Equals(resourceName))
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x => x.Key.Contains(filter))
-                .OrderBy(sorting ?? nameof(TextDifference.Key));
+                .OrderBy(sorting);
 
             var targetTextQuery = (await GetDbSetAsync())
                 .Where(x => x.CultureName.Equals(targetCultureName))
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Layouts/Dto/GetLayoutListInput.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Layouts/Dto/GetLayoutListInput.cs
index eb7889a83..080d341c0 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Layouts/Dto/GetLayoutListInput.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Layouts/Dto/GetLayoutListInput.cs
@@ -8,8 +8,6 @@ namespace LINGYUN.Platform.Layouts
     {
         public string Filter { get; set; }
 
-        public bool Reverse { get; set; }
-
         [DynamicStringLength(typeof(LayoutConsts), nameof(LayoutConsts.MaxFrameworkLength))]
         public string Framework { get; set; }
     }
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Menus/Dto/MenuGetListInput.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Menus/Dto/MenuGetListInput.cs
index 958a1db0b..c9b847857 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Menus/Dto/MenuGetListInput.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Application.Contracts/LINGYUN/Platform/Menus/Dto/MenuGetListInput.cs
@@ -12,8 +12,6 @@ namespace LINGYUN.Platform.Menus
 
         public string Filter { get; set; }
 
-        public bool Reverse { get; set; }
-
         public Guid? ParentId { get; set; }
 
         public Guid? LayoutId { get; set; }
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Application/LINGYUN/Platform/Menus/MenuAppService.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Application/LINGYUN/Platform/Menus/MenuAppService.cs
index 4db785ea5..528809a90 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Application/LINGYUN/Platform/Menus/MenuAppService.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Application/LINGYUN/Platform/Menus/MenuAppService.cs
@@ -86,7 +86,7 @@ namespace LINGYUN.Platform.Menus
         public async virtual Task<ListResultDto<MenuDto>> GetAllAsync(MenuGetAllInput input)
         {
             var menus = await MenuRepository.GetAllAsync(
-                input.Filter, input.Sorting, input.Reverse,
+                input.Filter, input.Sorting,
                 input.Framework, input.ParentId, input.LayoutId);
 
             return new ListResultDto<MenuDto>(
@@ -99,7 +99,7 @@ namespace LINGYUN.Platform.Menus
             var count = await MenuRepository.GetCountAsync(input.Filter, input.Framework, input.ParentId, input.LayoutId);
 
             var menus = await MenuRepository.GetListAsync(
-                input.Filter, input.Sorting, input.Reverse,
+                input.Filter, input.Sorting,
                 input.Framework, input.ParentId, input.LayoutId,
                 input.SkipCount, input.MaxResultCount);
 
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Datas/IDataRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Datas/IDataRepository.cs
index 22bcc8020..5526eb14c 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Datas/IDataRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Datas/IDataRepository.cs
@@ -25,7 +25,7 @@ namespace LINGYUN.Platform.Datas
 
         Task<List<Data>> GetPagedListAsync(
             string filter = "",
-            string sotring = nameof(Data.Code),
+            string sorting = nameof(Data.Code),
             bool includeDetails = false,
             int skipCount = 0,
             int maxResultCount = 10,
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Layouts/ILayoutRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Layouts/ILayoutRepository.cs
index b1b0fd867..58571b70b 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Layouts/ILayoutRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Layouts/ILayoutRepository.cs
@@ -29,7 +29,6 @@ namespace LINGYUN.Platform.Layouts
             string framework = "",
             string filter = "",
             string sorting = nameof(Layout.Name),
-            bool reverse = false,
             bool includeDetails = false,
             int skipCount = 0,
             int maxResultCount = 10,
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Menus/IMenuRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Menus/IMenuRepository.cs
index 445f93d82..d7af723ca 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Menus/IMenuRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.Domain/LINGYUN/Platform/Menus/IMenuRepository.cs
@@ -95,7 +95,6 @@ namespace LINGYUN.Platform.Menus
         Task<List<Menu>> GetListAsync(
             string filter = "",
             string sorting = nameof(Menu.Code),
-            bool reverse = false,
             string framework = "",
             Guid? parentId = null,
             Guid? layoutId = null,
@@ -106,7 +105,6 @@ namespace LINGYUN.Platform.Menus
         Task<List<Menu>> GetAllAsync(
             string filter = "",
             string sorting = nameof(Menu.Code),
-            bool reverse = false,
             string framework = "",
             Guid? parentId = null,
             Guid? layoutId = null,
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Datas/EfCoreDataRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Datas/EfCoreDataRepository.cs
index 9ee61afac..85ec18867 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Datas/EfCoreDataRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Datas/EfCoreDataRepository.cs
@@ -8,6 +8,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace LINGYUN.Platform.Datas
 {
@@ -56,13 +57,16 @@ namespace LINGYUN.Platform.Datas
 
         public async virtual Task<List<Data>> GetPagedListAsync(
             string filter = "", 
-            string sotring = "Code", 
+            string sorting = "Code", 
             bool includeDetails = false, 
             int skipCount = 0,
             int maxResultCount = 10, 
             CancellationToken cancellationToken = default)
         {
-            sotring ??= nameof(Data.Code);
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(Data.Code);
+            }
 
             var dbSet = await GetDbSetAsync();
             return await dbSet
@@ -70,7 +74,7 @@ namespace LINGYUN.Platform.Datas
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x =>
                       x.Code.Contains(filter) || x.Description.Contains(filter) ||
                       x.DisplayName.Contains(filter) || x.Name.Contains(filter))
-                .OrderBy(sotring)
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Layouts/EfCoreLayoutRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Layouts/EfCoreLayoutRepository.cs
index 916046e59..233a08c25 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Layouts/EfCoreLayoutRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Layouts/EfCoreLayoutRepository.cs
@@ -46,14 +46,15 @@ namespace LINGYUN.Platform.Layouts
             string framework = "",
             string filter = "",
             string sorting = nameof(Layout.Name),
-            bool reverse = false,
             bool includeDetails = false, 
             int skipCount = 0, 
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
-            sorting ??= nameof(Layout.Name);
-            sorting = reverse ? sorting + " DESC" : sorting;
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(Layout.Name);
+            }
 
             return await (await GetDbSetAsync())
                 .IncludeDetails(includeDetails)
diff --git a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Menus/EfCoreMenuRepository.cs b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Menus/EfCoreMenuRepository.cs
index 4ec99db2b..7ba83815f 100644
--- a/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Menus/EfCoreMenuRepository.cs
+++ b/aspnet-core/modules/platform/LINGYUN.Platform.EntityFrameworkCore/LINGYUN/Platform/Menus/EfCoreMenuRepository.cs
@@ -165,14 +165,15 @@ namespace LINGYUN.Platform.Menus
         public async virtual Task<List<Menu>> GetAllAsync(
             string filter = "",
             string sorting = nameof(Menu.Code),
-            bool reverse = false,
             string framework = "",
             Guid? parentId = null,
             Guid? layoutId = null,
             CancellationToken cancellationToken = default)
         {
-            sorting ??= nameof(Menu.Code);
-            sorting = reverse ? sorting + " DESC" : sorting;
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(Menu.Code);
+            }
 
             return await (await GetDbSetAsync())
                 .WhereIf(parentId.HasValue, x => x.ParentId == parentId)
@@ -182,7 +183,7 @@ namespace LINGYUN.Platform.Menus
                         menu.Path.Contains(filter) || menu.Name.Contains(filter) ||
                         menu.DisplayName.Contains(filter) || menu.Description.Contains(filter) ||
                         menu.Redirect.Contains(filter))
-                .OrderBy(sorting)
+                .rting)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
 
@@ -207,7 +208,6 @@ namespace LINGYUN.Platform.Menus
         public async virtual Task<List<Menu>> GetListAsync(
             string filter = "",
             string sorting = nameof(Menu.Code),
-            bool reverse = false,
             string framework = "",
             Guid? parentId = null,
             Guid? layoutId = null,
@@ -215,8 +215,10 @@ namespace LINGYUN.Platform.Menus
             int maxResultCount = 10, 
             CancellationToken cancellationToken = default)
         {
-            sorting ??= nameof(Menu.Code);
-            sorting = reverse ? sorting + " DESC" : sorting;
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(Menu.Code);
+            }
 
             return await (await GetDbSetAsync())
                 .WhereIf(parentId.HasValue, x => x.ParentId == parentId)
diff --git a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreMessageRepository.cs b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreMessageRepository.cs
index 485518f5d..99b9833d9 100644
--- a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreMessageRepository.cs
+++ b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreMessageRepository.cs
@@ -49,13 +49,17 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(GroupMessage.MessageId);
+            }
             var groupMessages = await (await GetDbContextAsync()).Set<GroupMessage>()
                 .Distinct()
                 .Where(x => x.GroupId.Equals(groupId))
                 .Where(x => x.State == MessageState.Send || x.State == MessageState.Read)
                 .WhereIf(type.HasValue, x => x.Type.Equals(type))
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x => x.Content.Contains(filter) || x.SendUserName.Contains(filter))
-                .OrderBy(sorting ?? nameof(GroupMessage.MessageId))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .AsNoTracking()
                 .ToListAsync(GetCancellationToken(cancellationToken));
@@ -89,12 +93,16 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(GroupMessage.MessageId);
+            }
             var groupMessages = await (await GetDbContextAsync()).Set<GroupMessage>()
                 .Distinct()
                 .Where(x => x.GroupId.Equals(groupId) && x.CreatorId.Equals(sendUserId))
                 .WhereIf(type != null, x => x.Type.Equals(type))
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x => x.Content.Contains(filter) || x.SendUserName.Contains(filter))
-                .OrderBy(sorting ?? nameof(GroupMessage.MessageId))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .AsNoTracking()
                 .ToListAsync(GetCancellationToken(cancellationToken));
@@ -162,7 +170,10 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
-            sorting ??= $"{nameof(LastChatMessage.SendTime)} DESC";
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = $"{nameof(LastChatMessage.SendTime)} DESC";
+            }
             var dbContext = await GetDbContextAsync();
 
             #region SQL 原型
@@ -439,13 +450,17 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(UserMessage.MessageId);
+            }
             var userMessages = await (await GetDbContextAsync()).Set<UserMessage>()
                 .Where(x => (x.CreatorId.Equals(sendUserId) && x.ReceiveUserId.Equals(receiveUserId)) ||
                              x.CreatorId.Equals(receiveUserId) && x.ReceiveUserId.Equals(sendUserId))
                 .WhereIf(type.HasValue, x => x.Type.Equals(type))
                 .Where(x => x.State == MessageState.Send || x.State == MessageState.Read)
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x => x.Content.Contains(filter) || x.SendUserName.Contains(filter))
-                .OrderBy(sorting ?? nameof(UserMessage.MessageId))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .AsNoTracking()
                 .ToListAsync(GetCancellationToken(cancellationToken));
diff --git a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatCardRepository.cs b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatCardRepository.cs
index 2f3eb0129..1b3e890d3 100644
--- a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatCardRepository.cs
+++ b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatCardRepository.cs
@@ -69,12 +69,16 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(UserChatCard.UserId);
+            }
             return await (await GetDbSetAsync())
                   .WhereIf(!findUserName.IsNullOrWhiteSpace(), ucc => ucc.UserName.Contains(findUserName))
                   .WhereIf(startAge.HasValue, ucc => ucc.Age >= startAge.Value)
                   .WhereIf(endAge.HasValue, ucc => ucc.Age <= endAge.Value)
                   .WhereIf(sex.HasValue, ucc => ucc.Sex == sex)
-                  .OrderBy(sorting ?? nameof(UserChatCard.UserId))
+                  .OrderBy(sorting)
                   .PageBy(skipCount, maxResultCount)
                   .Select(ucc => ucc.ToUserCard())
                   .ToListAsync(GetCancellationToken(cancellationToken));
diff --git a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatFriendRepository.cs b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatFriendRepository.cs
index aa26b633e..d3ff0c5fe 100644
--- a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatFriendRepository.cs
+++ b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Chat/EfCoreUserChatFriendRepository.cs
@@ -33,6 +33,10 @@ namespace LINGYUN.Abp.MessageService.Chat
             string sorting = nameof(UserChatFriend.RemarkName),
              CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(UserChatFriend.RemarkName);
+            }
             var dbContext = await GetDbContextAsync();
             var userFriendQuery = from ucf in dbContext.Set<UserChatFriend>()
                                   join ucc in dbContext.Set<UserChatCard>()
@@ -60,7 +64,7 @@ namespace LINGYUN.Abp.MessageService.Chat
                                   };
 
             return await userFriendQuery
-                .OrderBy(sorting ?? nameof(UserChatFriend.RemarkName))
+                .OrderBy(sorting)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
 
@@ -103,6 +107,10 @@ namespace LINGYUN.Abp.MessageService.Chat
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(UserChatFriend.UserId);
+            }
             var dbContext = await GetDbContextAsync();
             // 过滤用户资料
             var userChatCardQuery = dbContext.Set<UserChatCard>()
@@ -139,7 +147,7 @@ namespace LINGYUN.Abp.MessageService.Chat
                                   };
 
             return await userFriendQuery
-                .OrderBy(sorting ?? nameof(UserChatFriend.UserId))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
diff --git a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreGroupRepository.cs b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreGroupRepository.cs
index 6dbc291f5..1f5b2b625 100644
--- a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreGroupRepository.cs
+++ b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreGroupRepository.cs
@@ -1,4 +1,5 @@
-using LINGYUN.Abp.MessageService.EntityFrameworkCore;
+using LINGYUN.Abp.MessageService.Chat;
+using LINGYUN.Abp.MessageService.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
@@ -38,10 +39,14 @@ namespace LINGYUN.Abp.MessageService.Groups
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(ChatGroup.Name);
+            }
             return await (await GetDbSetAsync())
                 .WhereIf(!filter.IsNullOrWhiteSpace(), x =>
                     x.Name.Contains(filter) || x.Tag.Contains(filter))
-                .OrderBy(sorting ?? nameof(ChatGroup.Name))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
diff --git a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreUserChatGroupRepository.cs b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreUserChatGroupRepository.cs
index 7744e64b8..c62722ce9 100644
--- a/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreUserChatGroupRepository.cs
+++ b/aspnet-core/modules/realtime-message/LINGYUN.Abp.MessageService.EntityFrameworkCore/LINGYUN/Abp/MessageService/Groups/EfCoreUserChatGroupRepository.cs
@@ -64,6 +64,10 @@ namespace LINGYUN.Abp.MessageService.Groups
             int maxResultCount = 10,
             CancellationToken cancellationToken = default)
         {
+            if (sorting.IsNullOrWhiteSpace())
+            {
+                sorting = nameof(UserChatCard.UserId);
+            }
             var dbContext = await GetDbContextAsync();
             var cardQuery = from gp in dbContext.Set<ChatGroup>()
                             join ucg in dbContext.Set<UserChatGroup>()
@@ -91,7 +95,7 @@ namespace LINGYUN.Abp.MessageService.Groups
                             };
 
             return await cardQuery
-                .OrderBy(sorting ?? nameof(UserChatCard.UserId))
+                .OrderBy(sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
diff --git a/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserNotificationRepository.cs b/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserNotificationRepository.cs
index aa3445ce1..8e9c8a85b 100644
--- a/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserNotificationRepository.cs
+++ b/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserNotificationRepository.cs
@@ -150,7 +150,10 @@ public class EfCoreUserNotificationRepository : EfCoreRepository<INotificationsD
         int maxResultCount = 10,
         CancellationToken cancellationToken = default)
     {
-        sorting ??= $"{nameof(Notification.CreationTime)} DESC";
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = $"{nameof(Notification.CreationTime)} DESC";
+        }
         var dbContext = await GetDbContextAsync();
         //var userNotifilerQuery = dbContext.Set<UserNotification>()
         //    .Where(x => x.UserId == userId)
diff --git a/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserSubscribeRepository.cs b/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserSubscribeRepository.cs
index 4688af010..5fe29f548 100644
--- a/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserSubscribeRepository.cs
+++ b/aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.EntityFrameworkCore/LINGYUN/Abp/Notifications/EntityFrameworkCore/EfCoreUserSubscribeRepository.cs
@@ -137,10 +137,14 @@ public class EfCoreUserSubscribeRepository : EfCoreRepository<INotificationsDbCo
         int maxResultCount = 10,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = nameof(UserSubscribe.Id);
+        }
         var userSubscribes = await (await GetDbSetAsync())
              .Distinct()
              .Where(x => x.UserId.Equals(userId))
-             .OrderBy(sorting ?? nameof(UserSubscribe.Id))
+             .OrderBy(sorting)
              .Page(skipCount, maxResultCount)
              .AsNoTracking()
              .ToListAsync(GetCancellationToken(cancellationToken));
diff --git a/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreEditionRepository.cs b/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreEditionRepository.cs
index 47f842214..0c4949caf 100644
--- a/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreEditionRepository.cs
+++ b/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreEditionRepository.cs
@@ -75,9 +75,13 @@ public class EfCoreEditionRepository : EfCoreRepository<ISaasDbContext, Edition,
         string filter = null,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = nameof(Edition.DisplayName);
+        }
         return await (await GetDbSetAsync())
             .WhereIf(!filter.IsNullOrWhiteSpace(), x => x.DisplayName.Contains(filter))
-            .OrderBy(sorting.IsNullOrEmpty() ? nameof(Edition.DisplayName) : sorting)
+            .OrderBy(sorting)
             .PageBy(skipCount, maxResultCount)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }
diff --git a/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreTenantRepository.cs b/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreTenantRepository.cs
index 345999820..5e96affb5 100644
--- a/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreTenantRepository.cs
+++ b/aspnet-core/modules/saas/LINGYUN.Abp.Saas.EntityFrameworkCore/LINGYUN/Abp/Saas/EntityFrameworkCore/EfCoreTenantRepository.cs
@@ -168,6 +168,10 @@ public class EfCoreTenantRepository : EfCoreRepository<ISaasDbContext, Tenant, G
         bool includeDetails = false,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = nameof(Tenant.Name);
+        }
         if (includeDetails)
         {
             var dbContext = await GetDbContextAsync();
@@ -177,7 +181,7 @@ public class EfCoreTenantRepository : EfCoreRepository<ISaasDbContext, Tenant, G
 
             tenantDbSet = tenantDbSet
                .WhereIf(!filter.IsNullOrWhiteSpace(), u => u.Name.Contains(filter))
-               .OrderBy(sorting.IsNullOrEmpty() ? nameof(Tenant.Name) : sorting);
+               .OrderBy(sorting);
 
             var combinedResult = await (from tenant in tenantDbSet
                              join edition in editionDbSet on tenant.EditionId equals edition.Id
@@ -210,7 +214,7 @@ public class EfCoreTenantRepository : EfCoreRepository<ISaasDbContext, Tenant, G
 
         return await (await GetDbSetAsync())
             .WhereIf(!filter.IsNullOrWhiteSpace(), u => u.Name.Contains(filter))
-            .OrderBy(sorting.IsNullOrEmpty() ? nameof(Tenant.Name) : sorting)
+            .OrderBy(sorting)
             .PageBy(skipCount, maxResultCount)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }
diff --git a/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobInfoRepository.cs b/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobInfoRepository.cs
index 04a60f349..672ff068e 100644
--- a/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobInfoRepository.cs
+++ b/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobInfoRepository.cs
@@ -81,9 +81,13 @@ public class EfCoreBackgroundJobInfoRepository :
 
     public async virtual Task<List<BackgroundJobInfo>> GetListAsync(ISpecification<BackgroundJobInfo> specification, string sorting = "Name", int maxResultCount = 10, int skipCount = 0, CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = $"{nameof(BackgroundJobInfo.CreationTime)} DESC";
+        }
         return await (await GetDbSetAsync())
             .Where(specification.ToExpression())
-            .OrderBy(sorting ?? $"{nameof(BackgroundJobInfo.CreationTime)} DESC")
+            .OrderBy(sorting)
             .PageBy(skipCount, maxResultCount)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }
diff --git a/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobLogRepository.cs b/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobLogRepository.cs
index a03621788..94e35ce0d 100644
--- a/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobLogRepository.cs
+++ b/aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.EntityFrameworkCore/LINGYUN/Abp/TaskManagement/EntityFrameworkCore/EfCoreBackgroundJobLogRepository.cs
@@ -46,6 +46,10 @@ public class EfCoreBackgroundJobLogRepository :
         int skipCount = 0,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = $"{nameof(BackgroundJobLog.RunTime)}";
+        }
         return await (await GetDbSetAsync())
             .WhereIf(!jobId.IsNullOrWhiteSpace(), x => x.JobId.Equals(jobId))
             .WhereIf(!filter.Type.IsNullOrWhiteSpace(), x => x.JobType.Contains(filter.Type))
@@ -56,7 +60,7 @@ public class EfCoreBackgroundJobLogRepository :
             .WhereIf(filter.HasExceptions.HasValue, x => !string.IsNullOrWhiteSpace(x.Exception))
             .WhereIf(filter.BeginRunTime.HasValue, x => x.RunTime.CompareTo(filter.BeginRunTime.Value) >= 0)
             .WhereIf(filter.EndRunTime.HasValue, x => x.RunTime.CompareTo(filter.EndRunTime.Value) <= 0)
-            .OrderBy(sorting ?? $"{nameof(BackgroundJobLog.RunTime)} DESC")
+            .OrderBy(sorting)
             .PageBy(skipCount, maxResultCount)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }
diff --git a/aspnet-core/modules/webhooks/LINGYUN.Abp.WebhooksManagement.EntityFrameworkCore/LINGYUN/Abp/WebhooksManagement/EntityFrameworkCore/EfCoreWebhookSubscriptionRepository.cs b/aspnet-core/modules/webhooks/LINGYUN.Abp.WebhooksManagement.EntityFrameworkCore/LINGYUN/Abp/WebhooksManagement/EntityFrameworkCore/EfCoreWebhookSubscriptionRepository.cs
index 9fb358158..435fa2c89 100644
--- a/aspnet-core/modules/webhooks/LINGYUN.Abp.WebhooksManagement.EntityFrameworkCore/LINGYUN/Abp/WebhooksManagement/EntityFrameworkCore/EfCoreWebhookSubscriptionRepository.cs
+++ b/aspnet-core/modules/webhooks/LINGYUN.Abp.WebhooksManagement.EntityFrameworkCore/LINGYUN/Abp/WebhooksManagement/EntityFrameworkCore/EfCoreWebhookSubscriptionRepository.cs
@@ -50,9 +50,13 @@ public class EfCoreWebhookSubscriptionRepository :
         int skipCount = 0,
         CancellationToken cancellationToken = default)
     {
+        if (sorting.IsNullOrWhiteSpace())
+        {
+            sorting = $"{nameof(WebhookSubscription.CreationTime)} DESC";
+        }
         return await (await GetDbSetAsync())
             .Where(specification.ToExpression())
-            .OrderBy(sorting ?? $"{nameof(WebhookSubscription.CreationTime)} DESC")
+            .OrderBy(sorting)
             .PageBy(skipCount, maxResultCount)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }