diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/DynamicProperyBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/DynamicProperyBuilder.cs
index 18cba77c5..516e18b4c 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/DynamicProperyBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/DynamicProperyBuilder.cs
@@ -18,13 +18,24 @@ namespace SqlSugar
             return new DynamicProperyBuilder();
         }
         public DynamicBuilder baseBuilder;
-        public DynamicProperyBuilder CreateProperty(string propertyName, Type properyType, SugarColumn table)
+        public DynamicProperyBuilder CreateProperty(string propertyName, Type properyType, SugarColumn column=null,bool isSplitField=false)
         {
+            if (column == null) 
+            {
+                column = new SugarColumn()
+                {
+                     ColumnName=propertyName
+                };
+            }
             PropertyMetadata addItem = new PropertyMetadata();
             addItem.Name = propertyName;
             addItem.Type = properyType;
-            addItem.CustomAttributes = new List<CustomAttributeBuilder>() { baseBuilder.GetProperty(table) };
+            addItem.CustomAttributes = new List<CustomAttributeBuilder>() { baseBuilder.GetProperty(column) };
             baseBuilder.propertyAttr.Add(addItem);
+            if (isSplitField) 
+            {
+                addItem.CustomAttributes.Add(baseBuilder.GetSplitFieldAttr(new SplitFieldAttribute()));
+            }
             return this;
         }
         public DynamicProperyBuilder WithCache(bool isCache=true)
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Helper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Helper.cs
index e40dcca61..eef70f68a 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Helper.cs
@@ -10,6 +10,26 @@ namespace SqlSugar
 {
     public partial class DynamicBuilder
     {
+        internal CustomAttributeBuilder GetSplitEntityAttr(SplitTableAttribute sugarTable)
+        {
+            Type attributeType = typeof(SplitTableAttribute);
+            ConstructorInfo attributeCtor = attributeType.GetConstructor(new Type[] {  typeof(SplitType)  });
+            CustomAttributeBuilder attributeBuilder = new CustomAttributeBuilder(attributeCtor, new object[] { sugarTable.SplitType },
+            new PropertyInfo[] {
+                  attributeType.GetProperty(nameof(SplitTableAttribute.SplitType)),
+            }
+            , new object[] {
+                    sugarTable.SplitType
+             });
+            return attributeBuilder;
+        }
+        internal CustomAttributeBuilder GetSplitFieldAttr(SplitFieldAttribute fieldAttribute)
+        {
+            Type attributeType = typeof(SplitFieldAttribute);
+            ConstructorInfo attributeCtor = attributeType.GetConstructor(new Type[] {   });
+            CustomAttributeBuilder attributeBuilder = new CustomAttributeBuilder(attributeCtor, new object[] { });
+            return attributeBuilder;
+        }
         internal CustomAttributeBuilder GetEntity(SugarTable sugarTable)
         {
             Type attributeType = typeof(SugarTable);
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Master.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Master.cs
index 81be775b4..301078a69 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Master.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DynamicBuilder/Master.cs
@@ -23,12 +23,20 @@ namespace SqlSugar
             this.context = context;
         }
 
-        public DynamicProperyBuilder CreateClass(string entityName, SugarTable table, Type baseType = null, Type[] interfaces = null)
+        public DynamicProperyBuilder CreateClass(string entityName, SugarTable table=null, Type baseType = null, Type[] interfaces = null,SplitTableAttribute splitTableAttribute=null)
         {
             this.baseType = baseType;
             this.interfaces = interfaces;
             this.entityName = entityName;
+            if (table == null) 
+            {
+                table = new SugarTable() { TableName = entityName };
+            }
             this.entityAttr = new List<CustomAttributeBuilder>() { GetEntity(table) };
+            if (splitTableAttribute != null) 
+            {
+                this.entityAttr.Add(GetSplitEntityAttr(splitTableAttribute));
+            }
             return new DynamicProperyBuilder() {  baseBuilder=this};
         }
 
diff --git a/Src/Asp.NetCore2/SqlSugar/Entities/PropertyMetadata.cs b/Src/Asp.NetCore2/SqlSugar/Entities/PropertyMetadata.cs
index 530e99a53..12a5c342d 100644
--- a/Src/Asp.NetCore2/SqlSugar/Entities/PropertyMetadata.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Entities/PropertyMetadata.cs
@@ -11,6 +11,6 @@ namespace SqlSugar
     {
         public string Name { get; set; }
         public Type Type { get; set; }
-        public IEnumerable<CustomAttributeBuilder> CustomAttributes { get; set; }
+        public List<CustomAttributeBuilder> CustomAttributes { get; set; }
     }
 }