diff --git a/apps/assets/api/asset/__init__.py b/apps/assets/api/asset/__init__.py
index a2d88408d..f9c9ae5e6 100644
--- a/apps/assets/api/asset/__init__.py
+++ b/apps/assets/api/asset/__init__.py
@@ -1,4 +1,4 @@
-from .common import *
+from .asset import *
 from .host import *
 from .database import *
 from .permission import *
diff --git a/apps/assets/api/asset/common.py b/apps/assets/api/asset/asset.py
similarity index 89%
rename from apps/assets/api/asset/common.py
rename to apps/assets/api/asset/asset.py
index 756ce09ee..18325cb58 100644
--- a/apps/assets/api/asset/common.py
+++ b/apps/assets/api/asset/asset.py
@@ -2,18 +2,20 @@
 #
 from rest_framework.decorators import action
 from rest_framework.response import Response
+import django_filters
 
+from common.drf.filters import BaseFilterSet
 from common.utils import get_logger, get_object_or_none
 from common.mixins.api import SuggestionMixin
 from orgs.mixins.api import OrgBulkModelViewSet
 from orgs.mixins import generics
-from assets.api import FilterAssetByNodeMixin
 from assets.models import Asset, Node, Gateway
 from assets import serializers
 from assets.tasks import (
     update_assets_hardware_info_manual, test_assets_connectivity_manual,
 )
-from assets.filters import FilterAssetByNodeFilterBackend, LabelFilterBackend, IpInFilterBackend
+from assets.filters import NodeFilterBackend, LabelFilterBackend, IpInFilterBackend
+from ..mixin import NodeFilterMixin
 
 logger = get_logger(__file__)
 __all__ = [
@@ -21,17 +23,21 @@ __all__ = [
 ]
 
 
-class AssetViewSet(SuggestionMixin, FilterAssetByNodeMixin, OrgBulkModelViewSet):
+class AssetFilterSet(BaseFilterSet):
+    type = django_filters.CharFilter(field_name='platform__type', lookup_expr='exact')
+    category = django_filters.CharFilter(field_name='platform__category', lookup_expr='exact')
+
+    class Meta:
+        model = Asset
+        fields = ['name', 'ip', 'is_active', 'type', 'category']
+
+
+class AssetViewSet(SuggestionMixin, NodeFilterMixin, OrgBulkModelViewSet):
     """
     API endpoint that allows Asset to be viewed or edited.
     """
     model = Asset
-    filterset_fields = {
-        'name': ['exact'],
-        'ip': ['exact'],
-        'is_active': ['exact'],
-        'protocols': ['exact', 'icontains']
-    }
+    filterset_class = AssetFilterSet
     search_fields = ("name", "ip")
     ordering_fields = ("name", "ip", "port")
     ordering = ('name', )
@@ -47,9 +53,9 @@ class AssetViewSet(SuggestionMixin, FilterAssetByNodeMixin, OrgBulkModelViewSet)
         ('gateways', 'assets.view_gateway')
     )
     extra_filter_backends = [
-        FilterAssetByNodeFilterBackend,
         LabelFilterBackend,
         IpInFilterBackend,
+        NodeFilterBackend
     ]
 
     def set_assets_node(self, assets):
diff --git a/apps/assets/api/asset/database.py b/apps/assets/api/asset/database.py
index 786ff06a3..820812d18 100644
--- a/apps/assets/api/asset/database.py
+++ b/apps/assets/api/asset/database.py
@@ -1,7 +1,7 @@
 
 from assets.models import Database
 from assets.serializers import DatabaseSerializer
-from .common import AssetViewSet
+from .asset import AssetViewSet
 
 __all__ = ['DatabaseViewSet']
 
diff --git a/apps/assets/api/asset/host.py b/apps/assets/api/asset/host.py
index a27d731f2..3094e15a8 100644
--- a/apps/assets/api/asset/host.py
+++ b/apps/assets/api/asset/host.py
@@ -1,7 +1,7 @@
 
 from assets.models import Host
 from assets.serializers import HostSerializer
-from .common import AssetViewSet
+from .asset import AssetViewSet
 
 __all__ = ['HostViewSet']
 
diff --git a/apps/assets/api/mixin.py b/apps/assets/api/mixin.py
index d814ce11f..d7d33e17b 100644
--- a/apps/assets/api/mixin.py
+++ b/apps/assets/api/mixin.py
@@ -1,10 +1,10 @@
 from typing import List
+from rest_framework.request import Request
 
-from common.utils.common import timeit
+from common.utils import lazyproperty, timeit
 from assets.models import Node, Asset
 from assets.pagination import NodeAssetTreePagination
-from common.utils import lazyproperty
-from assets.utils import get_node, is_query_node_all_assets
+from assets.utils import get_node_from_request, is_query_node_all_assets
 
 
 class SerializeToTreeNodeMixin:
@@ -80,8 +80,9 @@ class SerializeToTreeNodeMixin:
         return data
 
 
-class FilterAssetByNodeMixin:
+class NodeFilterMixin:
     pagination_class = NodeAssetTreePagination
+    request: Request
 
     @lazyproperty
     def is_query_node_all_assets(self):
@@ -89,4 +90,4 @@ class FilterAssetByNodeMixin:
 
     @lazyproperty
     def node(self):
-        return get_node(self.request)
+        return get_node_from_request(self.request)
diff --git a/apps/assets/filters.py b/apps/assets/filters.py
index 346c507b1..dd8bf80a4 100644
--- a/apps/assets/filters.py
+++ b/apps/assets/filters.py
@@ -6,7 +6,7 @@ from rest_framework import filters
 from django.db.models import Q
 
 from .models import Label
-from assets.utils import is_query_node_all_assets, get_node
+from assets.utils import is_query_node_all_assets, get_node_from_request
 
 
 class AssetByNodeFilterBackend(filters.BaseFilterBackend):
@@ -31,7 +31,7 @@ class AssetByNodeFilterBackend(filters.BaseFilterBackend):
         return queryset.filter(nodes__key=node.key).distinct()
 
     def filter_queryset(self, request, queryset, view):
-        node = get_node(request)
+        node = get_node_from_request(request)
         if node is None:
             return queryset
 
@@ -42,9 +42,9 @@ class AssetByNodeFilterBackend(filters.BaseFilterBackend):
             return self.filter_node_related_direct(queryset, node)
 
 
-class FilterAssetByNodeFilterBackend(filters.BaseFilterBackend):
+class NodeFilterBackend(filters.BaseFilterBackend):
     """
-    需要与 `assets.api.mixin.FilterAssetByNodeMixin` 配合使用
+    需要与 `assets.api.mixin.NodeFilterMixin` 配合使用
     """
     fields = ['node', 'all']
 
@@ -58,10 +58,11 @@ class FilterAssetByNodeFilterBackend(filters.BaseFilterBackend):
         ]
 
     def filter_queryset(self, request, queryset, view):
-        node = view.node
+        node = get_node_from_request(request)
         if node is None:
             return queryset
-        query_all = view.is_query_node_all_assets
+
+        query_all = is_query_node_all_assets(request)
         if query_all:
             return queryset.filter(
                 Q(nodes__key__istartswith=f'{node.key}:') |
@@ -94,6 +95,9 @@ class LabelFilterBackend(filters.BaseFilterBackend):
         for kv in labels_query:
             if '#' in kv:
                 self.sep = '#'
+                break
+
+        for kv in labels_query:
             if self.sep not in kv:
                 continue
             key, value = kv.strip().split(self.sep)[:2]
diff --git a/apps/assets/models/asset/common.py b/apps/assets/models/asset/common.py
index dd8d07dd1..9c147e966 100644
--- a/apps/assets/models/asset/common.py
+++ b/apps/assets/models/asset/common.py
@@ -9,6 +9,7 @@ from functools import reduce
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
+from common.utils import lazyproperty
 from orgs.mixins.models import OrgManager, JMSOrgBaseModel
 from ..platform import Platform
 from ..base import AbsConnectivity
@@ -110,11 +111,11 @@ class Asset(AbsConnectivity, NodesRelationMixin, JMSOrgBaseModel):
             names.append(n.name + ':' + n.value)
         return names
 
-    @property
+    @lazyproperty
     def type(self):
         return self.platform.type
 
-    @property
+    @lazyproperty
     def category(self):
         return self.platform.category
 
diff --git a/apps/assets/pagination.py b/apps/assets/pagination.py
index f913e9eed..8ae42ef16 100644
--- a/apps/assets/pagination.py
+++ b/apps/assets/pagination.py
@@ -8,6 +8,9 @@ logger = get_logger(__name__)
 
 
 class AssetPaginationBase(LimitOffsetPagination):
+    _request = None
+    _view = None
+    _user = None
 
     def init_attrs(self, queryset, request: Request, view=None):
         self._request = request
@@ -28,7 +31,8 @@ class AssetPaginationBase(LimitOffsetPagination):
         }
         for k, v in self._request.query_params.items():
             if k not in exclude_query_params and v is not None:
-                logger.warn(f'Not hit node.assets_amount because find a unknow query_param `{k}` -> {self._request.get_full_path()}')
+                logger.warn(f'Not hit node.assets_amount because find a unknown query_param '
+                            f'`{k}` -> {self._request.get_full_path()}')
                 return super().get_count(queryset)
         node_assets_count = self.get_count_from_nodes(queryset)
         if node_assets_count is None:
@@ -49,4 +53,4 @@ class NodeAssetTreePagination(AssetPaginationBase):
             node = Node.org_root()
         if node:
             logger.debug(f'Hit node assets_amount cache: [{node.assets_amount}]')
-            return node.assets_amount
+        return node.assets_amount
diff --git a/apps/assets/serializers/asset/common.py b/apps/assets/serializers/asset/common.py
index 284ec2e0d..778137e23 100644
--- a/apps/assets/serializers/asset/common.py
+++ b/apps/assets/serializers/asset/common.py
@@ -2,6 +2,7 @@
 #
 from rest_framework import serializers
 from django.utils.translation import ugettext_lazy as _
+from django.db.models import F
 
 from common.drf.serializers import JMSWritableNestedModelSerializer
 from common.drf.fields import ChoiceDisplayField
@@ -107,7 +108,9 @@ class AssetSerializer(JMSWritableNestedModelSerializer):
     @classmethod
     def setup_eager_loading(cls, queryset):
         """ Perform necessary eager loading of data. """
-        queryset = queryset.prefetch_related('domain', 'platform', 'protocols')
+        queryset = queryset.prefetch_related('domain', 'platform', 'protocols')\
+            .annotate(category=F("platform__category"))\
+            .annotate(type=F("platform__type"))
         queryset = queryset.prefetch_related('nodes', 'labels')
         return queryset
 
diff --git a/apps/assets/utils.py b/apps/assets/utils.py
index c9857f802..478b2187d 100644
--- a/apps/assets/utils.py
+++ b/apps/assets/utils.py
@@ -53,7 +53,7 @@ def is_query_node_all_assets(request):
     return is_true(query_all_arg)
 
 
-def get_node(request):
+def get_node_from_request(request):
     node_id = dict_get_any(request.query_params, ['node', 'node_id'])
     if not node_id:
         return None
diff --git a/apps/perms/api/__init__.py b/apps/perms/api/__init__.py
index e5e3698dd..67986edc6 100644
--- a/apps/perms/api/__init__.py
+++ b/apps/perms/api/__init__.py
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 
-from .asset import *
+from .user_permission import *
+from .asset_permission import *
+from .asset_permission_relation import *
+from .user_group_permission import *
diff --git a/apps/perms/api/asset/__init__.py b/apps/perms/api/asset/__init__.py
deleted file mode 100644
index 49c998e95..000000000
--- a/apps/perms/api/asset/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from .user_permission import *
-from .asset_permission import *
-from .asset_permission_relation import *
-from .user_group_permission import *
diff --git a/apps/perms/api/asset/user_permission/__init__.py b/apps/perms/api/asset/user_permission/__init__.py
deleted file mode 100644
index 590235cc6..000000000
--- a/apps/perms/api/asset/user_permission/__init__.py
+++ /dev/null
@@ -1,6 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-from .common import *
-from .user_permission_nodes import *
-from .user_permission_assets import *
-from .user_permission_nodes_with_assets import *
diff --git a/apps/perms/api/asset/user_permission/user_permission_assets/__init__.py b/apps/perms/api/asset/user_permission/user_permission_assets/__init__.py
deleted file mode 100644
index 6b274abdd..000000000
--- a/apps/perms/api/asset/user_permission/user_permission_assets/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .views import *
diff --git a/apps/perms/api/asset/asset_permission.py b/apps/perms/api/asset_permission.py
similarity index 100%
rename from apps/perms/api/asset/asset_permission.py
rename to apps/perms/api/asset_permission.py
diff --git a/apps/perms/api/asset/asset_permission_relation.py b/apps/perms/api/asset_permission_relation.py
similarity index 100%
rename from apps/perms/api/asset/asset_permission_relation.py
rename to apps/perms/api/asset_permission_relation.py
diff --git a/apps/perms/api/base.py b/apps/perms/api/base.py
deleted file mode 100644
index 0e285796e..000000000
--- a/apps/perms/api/base.py
+++ /dev/null
@@ -1,95 +0,0 @@
-from django.db.models import Q
-from common.utils import get_object_or_none
-from orgs.mixins.api import OrgBulkModelViewSet
-from assets.models import SystemUser
-from users.models import User, UserGroup
-
-
-__all__ = ['BasePermissionViewSet']
-
-
-class BasePermissionViewSet(OrgBulkModelViewSet):
-    custom_filter_fields = [
-        'user_id', 'username', 'system_user_id', 'system_user',
-        'user_group_id', 'user_group'
-    ]
-
-    def filter_valid(self, queryset):
-        valid_query = self.request.query_params.get('is_valid', None)
-        if valid_query is None:
-            return queryset
-        invalid = valid_query in ['0', 'N', 'false', 'False']
-        if invalid:
-            queryset = queryset.invalid()
-        else:
-            queryset = queryset.valid()
-        return queryset
-
-    def is_query_all(self):
-        query_all = self.request.query_params.get('all', '1') == '1'
-        return query_all
-
-    def filter_user(self, queryset):
-        user_id = self.request.query_params.get('user_id')
-        username = self.request.query_params.get('username')
-        if user_id:
-            user = get_object_or_none(User, pk=user_id)
-        elif username:
-            user = get_object_or_none(User, username=username)
-        else:
-            return queryset
-        if not user:
-            return queryset.none()
-        if not self.is_query_all():
-            queryset = queryset.filter(users=user)
-            return queryset
-        groups = list(user.groups.all().values_list('id', flat=True))
-        queryset = queryset.filter(
-            Q(users=user) | Q(user_groups__in=groups)
-        ).distinct()
-        return queryset
-
-    def filter_keyword(self, queryset):
-        keyword = self.request.query_params.get('search')
-        if not keyword:
-            return queryset
-        queryset = queryset.filter(name__icontains=keyword)
-        return queryset
-
-    def filter_system_user(self, queryset):
-        system_user_id = self.request.query_params.get('system_user_id')
-        system_user_name = self.request.query_params.get('system_user')
-        if system_user_id:
-            system_user = get_object_or_none(SystemUser, pk=system_user_id)
-        elif system_user_name:
-            system_user = get_object_or_none(SystemUser, name=system_user_name)
-        else:
-            return queryset
-        if not system_user:
-            return queryset.none()
-        queryset = queryset.filter(system_users=system_user)
-        return queryset
-
-    def filter_user_group(self, queryset):
-        user_group_id = self.request.query_params.get('user_group_id')
-        user_group_name = self.request.query_params.get('user_group')
-        if user_group_id:
-            group = get_object_or_none(UserGroup, pk=user_group_id)
-        elif user_group_name:
-            group = get_object_or_none(UserGroup, name=user_group_name)
-        else:
-            return queryset
-        if not group:
-            return queryset.none()
-        queryset = queryset.filter(user_groups=group)
-        return queryset
-
-    def filter_queryset(self, queryset):
-        queryset = super().filter_queryset(queryset)
-        queryset = self.filter_valid(queryset)
-        queryset = self.filter_user(queryset)
-        queryset = self.filter_system_user(queryset)
-        queryset = self.filter_user_group(queryset)
-        queryset = self.filter_keyword(queryset)
-        queryset = queryset.distinct()
-        return queryset
diff --git a/apps/perms/api/asset/user_group_permission.py b/apps/perms/api/user_group_permission.py
similarity index 99%
rename from apps/perms/api/asset/user_group_permission.py
rename to apps/perms/api/user_group_permission.py
index 5c9e0d47e..ca090f77b 100644
--- a/apps/perms/api/asset/user_group_permission.py
+++ b/apps/perms/api/user_group_permission.py
@@ -9,7 +9,7 @@ from rest_framework.response import Response
 from common.utils import lazyproperty
 from perms.models import AssetPermission
 from assets.models import Asset, Node
-from perms.api.asset import user_permission as uapi
+from . import user_permission as uapi
 from perms import serializers
 from perms.utils.asset.permission import get_asset_system_user_ids_with_actions_by_group
 from assets.api.mixin import SerializeToTreeNodeMixin
diff --git a/apps/perms/api/user_permission/__init__.py b/apps/perms/api/user_permission/__init__.py
new file mode 100644
index 000000000..47f3e84a3
--- /dev/null
+++ b/apps/perms/api/user_permission/__init__.py
@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+#
+from .common import *
+from .nodes import *
+from .assets import *
+from .nodes_with_assets import *
diff --git a/apps/perms/api/user_permission/assets/__init__.py b/apps/perms/api/user_permission/assets/__init__.py
new file mode 100644
index 000000000..0a0e47b0b
--- /dev/null
+++ b/apps/perms/api/user_permission/assets/__init__.py
@@ -0,0 +1 @@
+from .api import *
diff --git a/apps/perms/api/asset/user_permission/user_permission_assets/views.py b/apps/perms/api/user_permission/assets/api.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/user_permission_assets/views.py
rename to apps/perms/api/user_permission/assets/api.py
diff --git a/apps/perms/api/asset/user_permission/user_permission_assets/mixin.py b/apps/perms/api/user_permission/assets/mixin.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/user_permission_assets/mixin.py
rename to apps/perms/api/user_permission/assets/mixin.py
diff --git a/apps/perms/api/asset/user_permission/common.py b/apps/perms/api/user_permission/common.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/common.py
rename to apps/perms/api/user_permission/common.py
diff --git a/apps/perms/api/asset/user_permission/mixin.py b/apps/perms/api/user_permission/mixin.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/mixin.py
rename to apps/perms/api/user_permission/mixin.py
diff --git a/apps/perms/api/asset/user_permission/user_permission_nodes.py b/apps/perms/api/user_permission/nodes.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/user_permission_nodes.py
rename to apps/perms/api/user_permission/nodes.py
diff --git a/apps/perms/api/asset/user_permission/user_permission_nodes_with_assets.py b/apps/perms/api/user_permission/nodes_with_assets.py
similarity index 100%
rename from apps/perms/api/asset/user_permission/user_permission_nodes_with_assets.py
rename to apps/perms/api/user_permission/nodes_with_assets.py
diff --git a/apps/perms/pagination.py b/apps/perms/pagination.py
index 248958a3e..622306924 100644
--- a/apps/perms/pagination.py
+++ b/apps/perms/pagination.py
@@ -9,6 +9,8 @@ logger = get_logger(__name__)
 
 
 class GrantedAssetPaginationBase(AssetPaginationBase):
+    _user: object
+
     def init_attrs(self, queryset, request: Request, view=None):
         super().init_attrs(queryset, request, view)
         self._user = view.user
@@ -18,10 +20,12 @@ class NodeGrantedAssetPagination(GrantedAssetPaginationBase):
     def get_count_from_nodes(self, queryset):
         node = getattr(self._view, 'pagination_node', None)
         if node:
-            logger.debug(f'Hit node.assets_amount[{node.assets_amount}] -> {self._request.get_full_path()}')
+            logger.debug(f'Hit node.assets_amount[{node.assets_amount}] -> '
+                         f'{self._request.get_full_path()}')
             return node.assets_amount
         else:
-            logger.warn(f'Not hit node.assets_amount[{node}] because {self._view} not has `pagination_node` -> {self._request.get_full_path()}')
+            logger.warn(f'Not hit node.assets_amount[{node}] because {self._view} '
+                        f'not has `pagination_node` -> {self._request.get_full_path()}')
             return None