diff --git a/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs b/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
index 9d37fa1a2..d066d5ed3 100644
--- a/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
+++ b/SqlSugar/Abstract/DbFirstProvider/DbFirstProvider.cs
@@ -7,5 +7,69 @@ namespace SqlSugar
     public abstract partial class DbFirstProvider : IDbFirst
     {
         public virtual SqlSugarClient Context { get; set; }
+
+        public List<SchemaInfo> GetSchemaInfoList
+        {
+            get
+            {
+                throw new NotImplementedException();
+            }
+        }
+
+        #region Setting Template
+        public IDbFirst SettingClassDescriptionTemplate(Func<string> func)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst SettingClassTemplate(Func<string> func)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst SettingConstructorTemplate(Func<string> func)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst SettingPropertyDescriptionTemplate(Func<string> func)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst SettingPropertyTemplate(Func<string> func)
+        {
+
+           throw new NotImplementedException();
+        }
+        #endregion
+
+        #region Where
+        public IDbFirst Where(DbObjectType dbObjectType)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst Where(Func<string, bool> func)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IDbFirst Where(params string[] objectNames)
+        {
+            throw new NotImplementedException();
+        } 
+        #endregion
+
+        public void ToClassStringList()
+        {
+            throw new NotImplementedException();
+        }
+        public void CreateClassFile()
+        {
+            throw new NotImplementedException();
+        }
+
+
     }
 }
diff --git a/SqlSugar/Entities/SchemaInfo.cs b/SqlSugar/Entities/SchemaInfo.cs
new file mode 100644
index 000000000..53f2b2945
--- /dev/null
+++ b/SqlSugar/Entities/SchemaInfo.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SqlSugar
+{
+    public class SchemaInfo
+    {
+        public string TableName { get; set; }
+        public string SchemaName { get; set; }
+    }
+}
diff --git a/SqlSugar/Enum/DbObjectType.cs b/SqlSugar/Enum/DbObjectType.cs
new file mode 100644
index 000000000..affb501b1
--- /dev/null
+++ b/SqlSugar/Enum/DbObjectType.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SqlSugar
+{
+    public enum DbObjectType
+    {
+        Table = 0,
+        View = 1,
+        All = 2
+    }
+}
diff --git a/SqlSugar/Interface/IDbFirst.cs b/SqlSugar/Interface/IDbFirst.cs
index 536c60f2a..95c1ea527 100644
--- a/SqlSugar/Interface/IDbFirst.cs
+++ b/SqlSugar/Interface/IDbFirst.cs
@@ -7,5 +7,16 @@ namespace SqlSugar
     public partial interface IDbFirst
     {
         SqlSugarClient Context { get; set; }
+        IDbFirst SettingClassTemplate(Func<string> func);
+        IDbFirst SettingClassDescriptionTemplate(Func<string> func);
+        IDbFirst SettingPropertyTemplate(Func<string> func);
+        IDbFirst SettingPropertyDescriptionTemplate(Func<string> func);
+        IDbFirst SettingConstructorTemplate(Func<string> func);
+        IDbFirst Where(params string[] objectNames);
+        IDbFirst Where(Func<string,bool> func);
+        IDbFirst Where(DbObjectType dbObjectType);
+        List<SchemaInfo> GetSchemaInfoList { get; }
+        void CreateClassFile();
+        void ToClassStringList();
     }
 }
diff --git a/SqlSugar/SqlSugar.csproj b/SqlSugar/SqlSugar.csproj
index 32051daab..7e006e24e 100644
--- a/SqlSugar/SqlSugar.csproj
+++ b/SqlSugar/SqlSugar.csproj
@@ -61,6 +61,8 @@
     <Compile Include="Abstract\InsertableProvider\InsertableProvider.cs" />
     <Compile Include="Abstract\DeleteProvider\DeleteableProvider.cs" />
     <Compile Include="Abstract\UpdateProvider\UpdateableProvider.cs" />
+    <Compile Include="Entities\SchemaInfo.cs" />
+    <Compile Include="Enum\DbObjectType.cs" />
     <Compile Include="Interface\ICacheManager.cs" />
     <Compile Include="Entities\SugarMessageResult.cs" />
     <Compile Include="Enum\InitKeyType.cs" />