diff --git a/examples/main.py b/examples/main.py
index 1e13ff2..2f718e8 100644
--- a/examples/main.py
+++ b/examples/main.py
@@ -65,6 +65,7 @@ def create_app():
             login_description='FastAPI Admin Dashboard',
             locale='en-US',
             locale_switcher=True,
+            theme_switcher=True,
             menus=[
                 Menu(
                     name='Home',
diff --git a/fastapi_admin/factory.py b/fastapi_admin/factory.py
index 8e756d5..dbc71ee 100644
--- a/fastapi_admin/factory.py
+++ b/fastapi_admin/factory.py
@@ -114,7 +114,7 @@ class AdminApp(FastAPI):
                     sortable=name in sort_fields
                 )
             }
-        if not exclude_actions:
+        if not exclude_actions and menu.actions:
             fields['_actions'] = menu.actions
 
         for data_field in data_fields:
@@ -186,12 +186,14 @@ class AdminApp(FastAPI):
         pk, fields, search_fields = await self._build_resource_from_model_describe(resource, model, model_describe,
                                                                                    exclude_pk, exclude_m2m_field,
                                                                                    exclude_actions)
+        menu = self.model_menu_mapping[resource]
         return Resource(
             title=model_describe.get('description') or resource.title(),
             fields=fields,
             searchFields=search_fields,
             pk=pk,
-            bulk_actions=self.model_menu_mapping[resource].bulk_actions,
+            bulk_actions=menu.bulk_actions,
+            export=menu.export
         )
 
 
diff --git a/fastapi_admin/site.py b/fastapi_admin/site.py
index 42ceb27..64eee35 100644
--- a/fastapi_admin/site.py
+++ b/fastapi_admin/site.py
@@ -26,9 +26,8 @@ class Menu(BaseModel):
     sort_fields: Optional[Set[str]] = set()
     # define field type,like select,radiolist,text,date
     fields_type: Dict = {}
-    actions: Dict = {
-        'export': True
-    }
+    export: bool = True
+    actions: Optional[Dict]
     bulk_actions: List[Dict] = [{
         'value': 'delete',
         'text': 'delete_all',
@@ -80,6 +79,7 @@ class Resource(BaseModel):
     resource_fields: Dict[str, Union[Field, Dict]]
     searchFields: Optional[Dict[str, Field]]
     bulk_actions: Optional[List[Dict]]
+    export: bool
 
     class Config:
         fields = {
diff --git a/front/src/views/CustomTable.vue b/front/src/views/CustomTable.vue
index 8d20e87..c8e6182 100644
--- a/front/src/views/CustomTable.vue
+++ b/front/src/views/CustomTable.vue
@@ -46,7 +46,7 @@
               type="button"
               @click="searchAndExport"
               variant="success"
-              v-if="_.get(actions, 'export')"
+              v-if="this.export"
             >{{$t('actions.search_and_export')}}
             </b-button>
           </div>
@@ -83,15 +83,6 @@
         :sort-desc.sync="sortDesc"
         :sort-direction="sortDirection"
       >
-        <template v-for="(field, key) in table.fields" :slot="`HEAD_${key}`">
-          <div
-            :key="key"
-            class="table-header"
-            :class="{'text-right': ['number'].includes(field.type)}"
-          >{{field.label || key}}
-          </div>
-        </template>
-
         <template v-slot:cell()="data">
           <template v-if="['datetime', 'date'].includes(data.field.type)">
             {{$d(new Date(data.value), 'long')}}
@@ -117,7 +108,9 @@
             {{ _.find(data.field.options,{value:data.value}).text }}
           </template>
           <template v-else>
+            <span class="d-inline-block text-truncate" style="max-width: 200px;">
             {{ data.value}}
+            </span>
           </template>
         </template>
 
@@ -205,11 +198,10 @@
         sortDirection: null,
         perPage: 10,
         where: {},
-        pk: null,
         selected_pk_list: [],
         bulkActions: {},
         selectBulkAction: null,
-        pages: [10, 50, 100]
+        pages: [10, 50, 100],
       };
     },
     watch: {
@@ -233,6 +225,12 @@
           }
         })
       },
+      pk() {
+        return _.get(this.table, "pk");
+      },
+      export() {
+        return _.get(this.table, "export");
+      },
       populate() {
         return _(this.table.fields || {})
           .map("ref")
@@ -363,7 +361,6 @@
           });
 
           this.table = res.data;
-          this.pk = res.data.pk;
 
           if (_.get(this.table, "fields._actions") !== false) {
             _.set(