diff --git a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
index 5de512e46..eef96bec4 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs
@@ -96,6 +96,10 @@ namespace SqlSugar
         {
             return new List<string>();
         }
+        public virtual List<string> GetDbTypes() 
+        {
+            return new List<string>();
+        }
         #endregion
 
         #region Check
diff --git a/Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs
index bfd0543b8..d206c0200 100644
--- a/Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs
@@ -20,6 +20,7 @@ namespace SqlSugar
         List<string> GetIndexList(string tableName);
         List<string> GetFuncList();
         List<string> GetTriggerNames(string tableName);
+        List<string> GetDbTypes();
         #endregion
 
         #region Check
diff --git a/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
index 97bca1fc4..bdc3137f2 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
@@ -267,6 +267,12 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT DATA_TYPE
+FROM DBA_TAB_COLUMNS
+WHERE OWNER = user ");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT trigger_name
diff --git a/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
index a0d3fc817..d975a7df7 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
@@ -240,6 +240,11 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT data_type
+FROM information_schema.columns");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT tgname
diff --git a/Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
index 2f715e385..efc309f32 100644
--- a/Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
@@ -283,6 +283,11 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT DATA_TYPE
+FROM information_schema.COLUMNS");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT TRIGGER_NAME
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
index ed47ddf79..7d2651e2c 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs
@@ -272,6 +272,12 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT DATA_TYPE
+FROM DBA_TAB_COLUMNS
+WHERE OWNER = user ");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT trigger_name
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
index 3cbf567ae..b8a5aa2bf 100644
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
@@ -250,6 +250,11 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT data_type
+FROM information_schema.columns");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT tgname
diff --git a/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
index 223e51c76..fbca40f77 100644
--- a/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs
@@ -321,6 +321,12 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes() 
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT name
+FROM sys.types
+WHERE is_user_defined = 0;");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT DISTINCT sysobjects.name AS TriggerName
diff --git a/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs b/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
index 978d8c3f8..5b3fc66e3 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs
@@ -258,6 +258,16 @@ namespace SqlSugar
         #endregion
 
         #region Methods
+        public override List<string> GetDbTypes()
+        {
+            return this.Context.Ado.SqlQuery<string>(@"SELECT 'TEXT' AS Data_Type
+UNION
+SELECT 'INTEGER'
+UNION
+SELECT 'REAL'
+UNION
+SELECT 'BLOB';");
+        }
         public override List<string> GetTriggerNames(string tableName)
         {
             return this.Context.Ado.SqlQuery<string>(@"SELECT name