diff --git a/pilot/connections/manages/connect_storage_duckdb.py b/pilot/connections/manages/connect_storage_duckdb.py
index 7946e7cee..3285168d4 100644
--- a/pilot/connections/manages/connect_storage_duckdb.py
+++ b/pilot/connections/manages/connect_storage_duckdb.py
@@ -46,12 +46,12 @@ class DuckdbConnectConfig:
         except Exception as e:
             raise "Unusable duckdb database path:" + path
 
-    def add_file_db(self, db_name, db_type, db_path: str):
+    def add_file_db(self, db_name, db_type, db_path: str, comment: str = ""):
         try:
             cursor = self.connect.cursor()
             cursor.execute(
                 "INSERT INTO connect_config(id, db_name, db_type, db_path, db_host, db_port, db_user, db_pwd, comment)VALUES(nextval('seq_id'),?,?,?,?,?,?,?,?)",
-                [db_name, db_type, db_path, "", "", "", "", ""],
+                [db_name, db_type, db_path, "", "", "", "", comment],
             )
             cursor.commit()
             self.connect.commit()
diff --git a/pilot/connections/manages/connection_manager.py b/pilot/connections/manages/connection_manager.py
index 3b7755b75..122db1eb3 100644
--- a/pilot/connections/manages/connection_manager.py
+++ b/pilot/connections/manages/connection_manager.py
@@ -6,16 +6,17 @@ from pilot.connections.base import BaseConnect
 
 from pilot.connections.rdbms.conn_mysql import MySQLConnect
 from pilot.connections.rdbms.conn_duckdb import DuckDbConnect
+from pilot.connections.rdbms.conn_mssql import MSSQLConnect
 from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
 from pilot.singleton import Singleton
 from pilot.common.sql_database import Database
+from pilot.connections.db_conn_info import DBConfig
 
 CFG = Config()
 
 
 class ConnectManager:
 
-
     def get_all_subclasses(self, cls):
         subclasses = cls.__subclasses__()
         for subclass in subclasses:
@@ -93,5 +94,17 @@ class ConnectManager:
     def get_db_list(self):
         return self.storage.get_db_list()
 
+
     def get_db_names(self):
         return self.storage.get_db_names()
+
+    def delete_db(self, db_name: str):
+        return self.storage.delete_db(db_name)
+
+    def add_db(self, db_info: DBConfig):
+        db_type = DBType.of_db_type(db_info.db_type)
+        if db_type.is_file_db():
+            self.storage.add_file_db(db_info.db_name, db_info.db_type, db_info.file_path)
+        else:
+            self.storage.add_url_db(db_info.db_name, db_info.db_type, db_info.db_host, db_info.db_port, db_info.db_user, db_info.db_pwd, db_info.comment)
+        return True
\ No newline at end of file
diff --git a/pilot/connections/rdbms/conn_duckdb.py b/pilot/connections/rdbms/conn_duckdb.py
index b238d468a..0da04234e 100644
--- a/pilot/connections/rdbms/conn_duckdb.py
+++ b/pilot/connections/rdbms/conn_duckdb.py
@@ -10,10 +10,6 @@ from sqlalchemy import (
 from sqlalchemy.ext.declarative import declarative_base
 
 from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
-from pilot.configs.config import Config
-
-CFG = Config()
-Base = declarative_base()
 
 class DuckDbConnect(RDBMSDatabase):
     """Connect Duckdb Database fetch MetaData
diff --git a/pilot/connections/rdbms/conn_mssql.py b/pilot/connections/rdbms/conn_mssql.py
new file mode 100644
index 000000000..8fb6843f1
--- /dev/null
+++ b/pilot/connections/rdbms/conn_mssql.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from typing import Optional, Any, Iterable
+
+from sqlalchemy import (
+    MetaData,
+    Table,
+    create_engine,
+    inspect,
+    select,
+    text,
+)
+from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
+
+
+class MSSQLConnect(RDBMSDatabase):
+    """Connect MSSQL Database fetch MetaData
+    Args:
+    Usage:
+    """
+
+    db_type: str = "mssql"
+    db_dialect: str = "mssql"
+    driver: str = "mssql+pymssql"
+
+    default_db = ["master", "model", "msdb", "tempdb", "modeldb", "resource", "sys"]
+
+
+    def table_simple_info(self) -> Iterable[str]:
+        _tables_sql = f"""
+                SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'
+            """
+        cursor = self.session.execute(text(_tables_sql))
+        tables_results = cursor.fetchall()
+        results =[]
+        for row in tables_results:
+            table_name = row[0]
+            _sql = f"""
+                SELECT COLUMN_NAME, DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='{table_name}'
+            """
+            cursor_colums = self.session.execute(text(_sql))
+            colum_results = cursor_colums.fetchall()
+            table_colums = []
+            for row_col in colum_results:
+                field_info = list(row_col)
+                table_colums.append(field_info[0])
+            results.append(f"{table_name}({','.join(table_colums)});")
+        return results
diff --git a/pilot/connections/rdbms/mssql.py b/pilot/connections/rdbms/mssql.py
deleted file mode 100644
index f70f859c4..000000000
--- a/pilot/connections/rdbms/mssql.py
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-from typing import Optional, Any
-
-from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
-
-
-class MSSQLConnect(RDBMSDatabase):
-    """Connect MSSQL Database fetch MetaData
-    Args:
-    Usage:
-    """
-
-    db_type: str = "mssql"
-    db_dialect: str = "mssql"
-    driver: str = "pyodbc"
-
-    default_db = ["master", "model", "msdb", "tempdb", "modeldb", "resource"]
diff --git a/pilot/openapi/api_v1/api_v1.py b/pilot/openapi/api_v1/api_v1.py
index f2fff4cef..b2e5a34fb 100644
--- a/pilot/openapi/api_v1/api_v1.py
+++ b/pilot/openapi/api_v1/api_v1.py
@@ -23,8 +23,9 @@ from pilot.openapi.api_v1.api_view_model import (
     Result,
     ConversationVo,
     MessageVo,
-    ChatSceneVo,
+    ChatSceneVo
 )
+from pilot.connections.db_conn_info import DBConfig
 from pilot.configs.config import Config
 from pilot.server.knowledge.service import KnowledgeService
 from pilot.server.knowledge.request.request import KnowledgeSpaceRequest
@@ -95,6 +96,25 @@ def knowledge_list():
     return params
 
 
+
+
+@router.get("/v1/chat/db/list", response_model=Result[DBConfig])
+async def dialogue_list():
+    return Result.succ(CFG.LOCAL_DB_MANAGE.get_db_list())
+
+@router.post("/v1/chat/db/add", response_model=Result[bool])
+async def dialogue_list(db_config: DBConfig = Body() ):
+    return Result.succ(CFG.LOCAL_DB_MANAGE.add_db(db_config))
+
+@router.post("/v1/chat/db/delete", response_model=Result[bool])
+async def dialogue_list(db_name: str = None):
+    return Result.succ(CFG.LOCAL_DB_MANAGE.delete_db(db_name))
+
+
+@router.get("/v1/chat/db/support/type", response_model=Result[str])
+async def db_support_types():
+    return Result[str].succ(["mysql", "mssql", "duckdb"])
+
 @router.get("/v1/chat/dialogue/list", response_model=Result[ConversationVo])
 async def dialogue_list(user_id: str = None):
     dialogues: List = []
diff --git a/requirements.txt b/requirements.txt
index 1190a755d..961b5c16a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,6 +73,7 @@ weaviate-client
 pymysql
 duckdb
 duckdb-engine
+pymssql
 
 # Testing dependencies
 pytest