diff --git a/README.rst b/README.rst
index 0596230..9fb1889 100644
--- a/README.rst
+++ b/README.rst
@@ -39,8 +39,8 @@ Screenshots
 Quick Start
 ===========
 
-Example
-~~~~~~~
+Run Example Local
+~~~~~~~~~~~~~~~~~
 Look at `examples <https://github.com/long2ice/fastapi-admin/tree/master/examples>`_.
 
 1. ``git clone https://github.com/long2ice/fastapi-admin.git``.
@@ -74,14 +74,27 @@ Look at `examples <https://github.com/long2ice/fastapi-admin/tree/master/example
 
 Open ``http://localhost:8080/`` in browser and enjoy it!
 
-Backend
-~~~~~~~
+Backend Integration
+~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: shell
 
-    $  pip3 install fastapi-admin
+    $ pip3 install fastapi-admin
 
-Only you should do is running a fastapi app and mount admin app from fastapi-admin,then call ``init(...)``.
+.. code-block:: python
+
+    fast_app = FastAPI()
+
+    register_tortoise(fast_app, config=TORTOISE_ORM, generate_schemas=True)
+
+    fast_app.mount('/admin', admin_app)
+    admin_app.init(
+        user_model='User',
+        admin_secret='test',
+        models='examples.models',
+        permission=True,
+        site=Site(...)
+    )
 
 Front
 ~~~~~
@@ -177,7 +190,7 @@ Defined ``menu.search_fields`` in ``menu`` will render a search form by fields.
 
 Xlsx Export
 ~~~~~~~~~~~
-FastAPI-admin can export searched data to excel file when define ``{export : True}`` in ``menu.actions``.
+FastAPI-admin can export searched data to excel file when define ``export=True`` in ``menu``.
 
 Bulk Actions
 ~~~~~~~~~~~~
@@ -203,7 +216,7 @@ Current FastAPI-admin support builtin bulk action ``delete_all``,if you want wri
     from fastapi_admin.factory import app as admin_app
 
     @admin_app.post(
-        '/{resource}/bulk/delete' # delete is defined before.
+        '/rest/{resource}/bulk/delete' # `delete` is defined in Menu before.
     )
     async def bulk_delete(
             bulk_in: BulkIn,
diff --git a/examples/main.py b/examples/main.py
index e870702..4a9d0f4 100644
--- a/examples/main.py
+++ b/examples/main.py
@@ -114,7 +114,7 @@ def create_app():
                 Menu(
                     name='Config',
                     url='/rest/Config',
-                    icon='fa fa-pencil'
+                    icon='fa fa-pencil',
                 ),
                 Menu(
                     name='External',
@@ -143,17 +143,26 @@ def create_app():
                 Menu(
                     name='Role',
                     url='/rest/Role',
-                    icon='fa fa-group'
+                    icon='fa fa-group',
+                    actions={
+                        'delete': False
+                    }
                 ),
                 Menu(
                     name='Permission',
                     url='/rest/Permission',
-                    icon='fa fa-user-plus'
+                    icon='fa fa-user-plus',
+                    actions={
+                        'delete': False
+                    }
                 ),
                 Menu(
                     name='Logout',
                     url='/logout',
-                    icon='fa fa-lock'
+                    icon='fa fa-lock',
+                    actions={
+                        'delete': False
+                    }
                 )
             ]
         )
diff --git a/fastapi_admin/__init__.py b/fastapi_admin/__init__.py
index 6874187..c3fca53 100644
--- a/fastapi_admin/__init__.py
+++ b/fastapi_admin/__init__.py
@@ -1,3 +1,3 @@
 from . import routes
 
-__version__ = '0.2.3'
+__version__ = '0.2.4'
diff --git a/fastapi_admin/site.py b/fastapi_admin/site.py
index e985b36..69dd85f 100644
--- a/fastapi_admin/site.py
+++ b/fastapi_admin/site.py
@@ -26,7 +26,9 @@ class Menu(BaseModel):
     sort_fields: Optional[Set[str]] = set()
     # define field type,like select,radiolist,text,date
     fields_type: Dict = {}
+    # define field attr,like cols which in bootstrap table
     attrs: Dict[str, Dict] = {}
+    # active table export
     export: bool = True
     actions: Optional[Dict]
     bulk_actions: List[Dict] = [{