diff --git a/Src/Asp.Net/SqlServerTest/Demo/Demo9_EntityMain.cs b/Src/Asp.Net/SqlServerTest/Demo/Demo9_EntityMain.cs
index 338898d9b..be795b098 100644
--- a/Src/Asp.Net/SqlServerTest/Demo/Demo9_EntityMain.cs
+++ b/Src/Asp.Net/SqlServerTest/Demo/Demo9_EntityMain.cs
@@ -34,6 +34,11 @@ namespace OrmTest
             {
                 Console.WriteLine(column.DbColumnName);
             }
+
+            var dbColumnsName = db.EntityMaintenance.GetDbColumnName<EntityMapper>("Name");
+
+            var dbTableName = db.EntityMaintenance.GetTableName<EntityMapper>();
+
             //more https://github.com/sunkaixuan/SqlSugar/wiki/9.EntityMain
             Console.WriteLine("#### EntityMain End ####");
         }
diff --git a/Src/Asp.Net/SqlServerTest/Models/EntityMapper.cs b/Src/Asp.Net/SqlServerTest/Models/EntityMapper.cs
new file mode 100644
index 000000000..b597012fb
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/Models/EntityMapper.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+    [SugarTable("MyEntityMapper")]
+    public class EntityMapper
+    {
+        [SugarColumn(ColumnName ="MyName")]
+        public string Name { get; set; }
+    }
+}
diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index 13c29477d..7d10470ae 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -68,6 +68,7 @@
     <Compile Include="Demo\DemoF_Utilities.cs" />
     <Compile Include="Demo\DemoG_SimpleClient.cs" />
     <Compile Include="Models\Custom.cs" />
+    <Compile Include="Models\EntityMapper.cs" />
     <Compile Include="Models\Mapper.cs" />
     <Compile Include="Models\Tree.cs" />
     <Compile Include="Models\AttributeTable.cs" />
diff --git a/Src/Asp.Net/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs b/Src/Asp.Net/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
index 0661b6665..21016b96f 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/EntityMaintenance/EntityMaintenance.cs
@@ -46,7 +46,12 @@ namespace SqlSugar
         public string GetTableName<T>()
         {
             var typeName = typeof(T).Name;
-            if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return typeName;
+            if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0)
+            {
+                var entity = this.GetEntityInfo<T>();
+                if (entity.DbTableName.HasValue()) return entity.DbTableName;
+                else return entity.EntityName;
+            }
             else
             {
                 var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == typeName);
@@ -56,7 +61,12 @@ namespace SqlSugar
         public string GetTableName(Type entityType)
         {
             var typeName = entityType.Name;
-            if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return typeName;
+            if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0)
+            {
+                var entity = this.GetEntityInfo(entityType);
+                if (entity.DbTableName.HasValue()) return entity.DbTableName;
+                else return entity.EntityName;
+            }
             else
             {
                 var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == typeName);
@@ -87,7 +97,12 @@ namespace SqlSugar
             var isAny = this.GetEntityInfo<T>().Columns.Any(it => it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
             Check.Exception(!isAny, "Property " + propertyName + " is Invalid");
             var typeName = typeof(T).Name;
-            if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0) return propertyName;
+            if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0)
+            {
+                var column= this.GetEntityInfo<T>().Columns.First(it => it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
+                if (column.DbColumnName.HasValue()) return column.DbColumnName;
+                else return column.PropertyName;
+            }
             else
             {
                 var mappingInfo = this.Context.MappingColumns.SingleOrDefault(it => it.EntityName == typeName && it.PropertyName == propertyName);
@@ -99,7 +114,12 @@ namespace SqlSugar
             var isAny = this.GetEntityInfo(entityType).Columns.Any(it => it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
             Check.Exception(!isAny, "Property " + propertyName + " is Invalid");
             var typeName = entityType.Name;
-            if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0) return propertyName;
+            if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0)
+            {
+                var column = this.GetEntityInfo(entityType).Columns.First(it => it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
+                if (column.DbColumnName.HasValue()) return column.DbColumnName;
+                else return column.PropertyName;
+            }
             else
             {
                 var mappingInfo = this.Context.MappingColumns.SingleOrDefault(it => it.EntityName == typeName && it.PropertyName == propertyName);