diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
index c6c8b0b44..949be3aa4 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
@@ -1528,7 +1528,7 @@ namespace SqlSugar
             asyncQueryableBuilder.SelectValue = this.QueryBuilder.SelectValue;
             asyncQueryableBuilder.WhereInfos = this.Context.Utilities.TranslateCopy(this.QueryBuilder.WhereInfos);
             asyncQueryableBuilder.EasyJoinInfos = this.Context.Utilities.TranslateCopy(this.QueryBuilder.EasyJoinInfos);
-            asyncQueryableBuilder.JoinQueryInfos = this.Context.Utilities.TranslateCopy(this.QueryBuilder.JoinQueryInfos);
+            asyncQueryableBuilder.JoinQueryInfos = QueryBuilder.JoinQueryInfos.Select(it => CopyJoinInfo(it)).ToList();
             asyncQueryableBuilder.WhereIndex = this.QueryBuilder.WhereIndex;
             asyncQueryableBuilder.EntityType = this.QueryBuilder.EntityType;
             asyncQueryableBuilder.EntityName = this.QueryBuilder.EntityName;
@@ -1553,11 +1553,25 @@ namespace SqlSugar
             asyncQueryableBuilder.OldSql = this.QueryBuilder.OldSql;
             asyncQueryableBuilder.IsCrossQueryWithAttr = this.QueryBuilder.IsCrossQueryWithAttr;
             asyncQueryableBuilder.CrossQueryItems = this.QueryBuilder.CrossQueryItems;
-            asyncQueryableBuilder.SubToListParameters= this.Context.Utilities.TranslateCopy(this.QueryBuilder.SubToListParameters);
+            asyncQueryableBuilder.SubToListParameters = this.Context.Utilities.TranslateCopy(this.QueryBuilder.SubToListParameters);
             asyncQueryableBuilder.AppendColumns = this.Context.Utilities.TranslateCopy(this.QueryBuilder.AppendColumns);
             asyncQueryableBuilder.AppendValues = this.Context.Utilities.TranslateCopy(this.QueryBuilder.AppendValues);
             asyncQueryableBuilder.RemoveFilters = this.QueryBuilder.RemoveFilters?.ToArray();
         }
+
+        private static JoinQueryInfo CopyJoinInfo(JoinQueryInfo it)
+        {
+            return new JoinQueryInfo()
+            {
+                EntityType = it.EntityType,
+                JoinIndex = it.JoinIndex,
+                JoinType = it.JoinType,
+                JoinWhere = it.JoinWhere,
+                ShortName = it.ShortName,
+                TableName = it.TableName
+            };
+        }
+
         protected int SetCacheTime(int cacheDurationInSeconds)
         {
             if (cacheDurationInSeconds == int.MaxValue && this.Context.CurrentConnectionConfig.MoreSettings != null && this.Context.CurrentConnectionConfig.MoreSettings.DefaultCacheDurationInSeconds > 0)
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
index 06f97b449..e5be6137a 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs
@@ -327,7 +327,10 @@ namespace SqlSugar
             string shortName = string.Empty;
             List<SugarParameter> paramters = new List<SugarParameter>();
             queryable.SqlBuilder.QueryBuilder.JoinQueryInfos = this.GetJoinInfos(queryable.SqlBuilder, joinExpression, ref paramters, ref shortName, types);
-            queryable.SqlBuilder.QueryBuilder.JoinQueryInfos.Last().EntityType = types.Last();
+            if (queryable.SqlBuilder.QueryBuilder.JoinQueryInfos.Any())
+            {
+                queryable.SqlBuilder.QueryBuilder.JoinQueryInfos.Last().EntityType = types.Last();
+            }
             queryable.SqlBuilder.QueryBuilder.TableShortName = shortName;
             queryable.SqlBuilder.QueryBuilder.JoinExpression = joinExpression;
             if (paramters != null)
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
index 338260c5f..accbbd745 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
@@ -1561,6 +1561,14 @@ namespace SqlSugar
             };
             return result;
         }
+        public SplitTableContext SplitHelper(Type entityType)  
+        {
+            var result = new SplitTableContext(this.Context)
+            {
+                EntityInfo = this.Context.EntityMaintenance.GetEntityInfo(entityType)
+            };
+            return result;
+        }
         public SplitTableContextResult<T> SplitHelper<T>(T data) where T : class, new()
         {
             var result = new SplitTableContext(this.Context)
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
index 0c99a1683..4e9919934 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs
@@ -689,6 +689,10 @@ namespace SqlSugar
         {
             return ScopedContext.SplitHelper<T>();
         }
+        public SplitTableContext SplitHelper(Type entityType)
+        {
+            return ScopedContext.SplitHelper(entityType);
+        }
         public SplitTableContextResult<T> SplitHelper<T>(T data) where T : class, new()
         {
             return ScopedContext.SplitHelper(data);
diff --git a/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs b/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
index 757789d23..4364af324 100644
--- a/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
@@ -50,6 +50,7 @@ namespace SqlSugar
         SqlSugarClient CopyNew();
         T CreateContext<T>(bool isTran=true) where T : SugarUnitOfWork, new();
         SugarUnitOfWork CreateContext(bool isTran = true);
+        SplitTableContext SplitHelper(Type entityType);
         SplitTableContext SplitHelper<T>() where T : class, new();
         SplitTableContextResult<T> SplitHelper<T>(T data) where T : class, new();
         SplitTableContextResult<T> SplitHelper<T>(List<T> data) where T : class, new();
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
index d07182607..58a25ead0 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
@@ -1181,6 +1181,10 @@ namespace SqlSugar
         {
             return this.Context.SplitHelper<T>();
         }
+        public SplitTableContext SplitHelper(Type entityType) 
+        {
+            return this.Context.SplitHelper(entityType);
+        }
         public SplitTableContextResult<T> SplitHelper<T>(T data) where T : class, new()
         {
             return this.Context.SplitHelper(data);
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarScope.cs b/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
index 23dfc8428..0035cd915 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
@@ -685,6 +685,10 @@ namespace SqlSugar
         {
             return ScopedContext.SplitHelper<T>();
         }
+        public SplitTableContext SplitHelper(Type entityType) 
+        {
+            return ScopedContext.SplitHelper(entityType);
+        }
         public SplitTableContextResult<T> SplitHelper<T>(T data) where T : class, new()
         {
             return ScopedContext.SplitHelper(data);