diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
index d788ddd38..8775007e3 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableHelper.cs
@@ -746,10 +746,14 @@ namespace SqlSugar
                 {
                     dt = new DataTable();
                 }
-                else if (this.WhereColumnList?.Any() == true) 
-                { 
+                else if (this.WhereColumnList?.Any() == true)
+                {
                     dt = this.Context.Queryable<T>().Filter(null, true).WhereClassByWhereColumns(this.UpdateObjs.ToList(), this.WhereColumnList.ToArray()).ToDataTable();
                 }
+                else if (this.UpdateBuilder.TableName.HasValue()) 
+                {
+                    dt = this.Context.Queryable<T>().AS(this.UpdateBuilder.TableName).Filter(null, true).WhereClassByPrimaryKey(this.UpdateObjs.ToList()).ToDataTable();
+                }
                 else
                 {
                     dt = this.Context.Queryable<T>().Filter(null, true).WhereClassByPrimaryKey(this.UpdateObjs.ToList()).ToDataTable();