diff --git a/apps/applications/serializers/application.py b/apps/applications/serializers/application.py
index 2badfde2b..29515506c 100644
--- a/apps/applications/serializers/application.py
+++ b/apps/applications/serializers/application.py
@@ -1,6 +1,7 @@
 # coding: utf-8
 #
 
+from rest_framework import serializers
 from orgs.mixins.serializers import BulkOrgResourceModelSerializer
 
 from .. import models
@@ -11,10 +12,13 @@ __all__ = [
 
 
 class ApplicationSerializer(BulkOrgResourceModelSerializer):
+    category_display = serializers.ReadOnlyField(source='get_category_display')
+    type_display = serializers.ReadOnlyField(source='get_type_display')
+
     class Meta:
         model = models.Application
         fields = [
-            'id', 'name', 'category', 'type', 'get_type_display', 'attrs',
+            'id', 'name', 'category', 'category_display', 'type', 'type_display', 'attrs',
             'domain', 'created_by', 'date_created', 'date_updated', 'comment'
         ]
         read_only_fields = [
diff --git a/apps/perms/api/application/application_permission.py b/apps/perms/api/application/application_permission.py
index ec30d30a9..44e11b54e 100644
--- a/apps/perms/api/application/application_permission.py
+++ b/apps/perms/api/application/application_permission.py
@@ -12,7 +12,8 @@ class ApplicationPermissionViewSet(OrgBulkModelViewSet):
     """
     model = ApplicationPermission
     serializer_class = serializers.ApplicationPermissionSerializer
-    filter_fields = ['name']
+    filter_fields = ['name', 'category', 'type']
+    search_fields = filter_fields
     permission_classes = (IsOrgAdmin,)
 
     def get_queryset(self):
diff --git a/apps/perms/serializers/application/permission.py b/apps/perms/serializers/application/permission.py
index 95c4c47c1..a7aa69dc7 100644
--- a/apps/perms/serializers/application/permission.py
+++ b/apps/perms/serializers/application/permission.py
@@ -12,6 +12,8 @@ __all__ = [
 
 
 class ApplicationPermissionSerializer(BulkOrgResourceModelSerializer):
+    category_display = serializers.ReadOnlyField(source='get_category_display')
+    type_display = serializers.ReadOnlyField(source='get_type_display')
     is_valid = serializers.BooleanField(read_only=True)
     is_expired = serializers.BooleanField(read_only=True)
 
@@ -19,8 +21,8 @@ class ApplicationPermissionSerializer(BulkOrgResourceModelSerializer):
         model = ApplicationPermission
         mini_fields = ['id', 'name']
         small_fields = mini_fields + [
-            'is_active', 'is_expired', 'is_valid', 'created_by', 'date_created',
-            'date_expired', 'date_start', 'comment'
+            'category', 'category_display', 'type', 'type_display', 'is_active', 'is_expired',
+            'is_valid', 'created_by', 'date_created', 'date_expired', 'date_start', 'comment'
         ]
         m2m_fields = [
             'users', 'user_groups', 'applications', 'system_users',