diff --git a/apps/authentication/mixins.py b/apps/authentication/mixins.py
index 4e9684685..0466a9ee2 100644
--- a/apps/authentication/mixins.py
+++ b/apps/authentication/mixins.py
@@ -203,14 +203,14 @@ class AuthMixin:
             raise errors.LoginConfirmOtherError('', "Not found")
         if ticket.status_open:
             raise errors.LoginConfirmWaitError(ticket.id)
-        elif ticket.is_approved:
+        elif ticket.action_approve:
             self.request.session["auth_confirm"] = "1"
             return
-        elif ticket.is_rejected:
+        elif ticket.action_reject:
             raise errors.LoginConfirmOtherError(
                 ticket.id, ticket.get_action_display()
             )
-        elif ticket.is_closed:
+        elif ticket.action_close:
             raise errors.LoginConfirmOtherError(
                 ticket.id, ticket.get_action_display()
             )
diff --git a/apps/perms/models/asset_permission.py b/apps/perms/models/asset_permission.py
index df2041154..dd26a6ae5 100644
--- a/apps/perms/models/asset_permission.py
+++ b/apps/perms/models/asset_permission.py
@@ -71,7 +71,7 @@ class Action:
     @classmethod
     def value_to_choices_display(cls, value):
         choices = cls.value_to_choices(value)
-        return [dict(cls.choices())[i] for i in choices]
+        return [str(dict(cls.choices())[i]) for i in choices]
         
     @classmethod
     def choices_to_value(cls, value):
diff --git a/apps/tickets/api/ticket/mixin.py b/apps/tickets/api/ticket/mixin.py
index 69f748741..344a9d611 100644
--- a/apps/tickets/api/ticket/mixin.py
+++ b/apps/tickets/api/ticket/mixin.py
@@ -7,15 +7,15 @@ __all__ = ['TicketMetaSerializerViewMixin']
 
 class TicketMetaSerializerViewMixin:
     apply_asset_meta_serializer_classes = {
-        'apply': serializers.TicketMetaApplyAssetApplySerializer,
+        'open': serializers.TicketMetaApplyAssetApplySerializer,
         'approve': serializers.TicketMetaApplyAssetApproveSerializer,
     }
     apply_application_meta_serializer_classes = {
-        'apply': serializers.TicketMetaApplyApplicationApplySerializer,
+        'open': serializers.TicketMetaApplyApplicationApplySerializer,
         'approve': serializers.TicketMetaApplyApplicationApproveSerializer,
     }
     login_confirm_meta_serializer_classes = {
-        'apply': serializers.TicketMetaLoginConfirmApplySerializer,
+        'open': serializers.TicketMetaLoginConfirmApplySerializer,
     }
     meta_serializer_classes = {
         const.TicketTypeChoices.apply_asset.value: apply_asset_meta_serializer_classes,
@@ -37,7 +37,7 @@ class TicketMetaSerializerViewMixin:
         return meta_class
 
     def get_serializer_meta_field(self):
-        if self.action not in ['apply', 'approve']:
+        if self.action not in ['open', 'approve']:
             return None
         meta_class = self.get_serializer_meta_field_class()
         if not meta_class:
diff --git a/apps/tickets/api/ticket/ticket.py b/apps/tickets/api/ticket/ticket.py
index a1ec4dc6c..3b2c8a0cd 100644
--- a/apps/tickets/api/ticket/ticket.py
+++ b/apps/tickets/api/ticket/ticket.py
@@ -23,7 +23,7 @@ class TicketViewSet(TicketMetaSerializerViewMixin, CommonApiMixin, viewsets.Mode
     serializer_classes = {
         'default': serializers.TicketDisplaySerializer,
         'display': serializers.TicketDisplaySerializer,
-        'apply': serializers.TicketApplySerializer,
+        'open': serializers.TicketApplySerializer,
         'approve': serializers.TicketApproveSerializer,
         'reject': serializers.TicketRejectSerializer,
         'close': serializers.TicketCloseSerializer,
@@ -50,7 +50,7 @@ class TicketViewSet(TicketMetaSerializerViewMixin, CommonApiMixin, viewsets.Mode
         return queryset
 
     @action(detail=False, methods=[POST])
-    def apply(self, request, *args, **kwargs):
+    def open(self, request, *args, **kwargs):
         return super().create(request, *args, **kwargs)
 
     @action(detail=True, methods=[PUT], permission_classes=[IsOrgAdmin, IsAssignee, NotClosed])
diff --git a/apps/tickets/const.py b/apps/tickets/const.py
index 7c503a6c0..8bde7fc0d 100644
--- a/apps/tickets/const.py
+++ b/apps/tickets/const.py
@@ -16,7 +16,7 @@ class TicketTypeChoices(TextChoices):
 
 
 class TicketActionChoices(TextChoices):
-    apply = 'apply', _('Apply')
+    open = 'open', _('Open')
     approve = 'approve', _('Approve')
     reject = 'reject', _('Reject')
     close = 'close', _('Close')
diff --git a/apps/tickets/migrations/0007_auto_20201224_1821.py b/apps/tickets/migrations/0007_auto_20201224_1821.py
index 5367e0356..7b19fcb58 100644
--- a/apps/tickets/migrations/0007_auto_20201224_1821.py
+++ b/apps/tickets/migrations/0007_auto_20201224_1821.py
@@ -24,19 +24,23 @@ def migrate_field_meta(tp, old_meta):
         'apply_hostname_group': [old_meta_hostname] if old_meta_hostname else [],
         'apply_system_user_group': [old_meta_system_user] if old_meta_system_user else [],
         'apply_actions': old_meta.get('actions'),
+        'apply_actions_display': [],
         'apply_date_start': old_meta.get('date_start'),
         'apply_date_expired': old_meta.get('date_expired'),
 
         'approve_assets': old_meta.get('confirmed_assets', []),
+        'approve_assets_snapshot': [],
         'approve_system_users': old_meta.get('confirmed_system_users', []),
+        'approve_system_users_snapshot': [],
         'approve_actions': old_meta.get('actions'),
+        'approve_actions_display': [],
         'approve_date_start': old_meta.get('date_start'),
         'approve_date_expired': old_meta.get('date_expired'),
     }
     return new_meta
 
 
-ACTION_APPLY = 'apply'
+ACTION_OPEN = 'open'
 ACTION_CLOSE = 'close'
 STATUS_OPEN = 'open'
 STATUS_CLOSED = 'closed'
@@ -46,7 +50,7 @@ def migrate_field_action(old_action, old_status):
     if old_action:
         return old_action
     if old_status == STATUS_OPEN:
-        return ACTION_APPLY
+        return ACTION_OPEN
     if old_status == STATUS_CLOSED:
         return ACTION_CLOSE
 
@@ -119,7 +123,8 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='ticket',
             name='action',
-            field=models.CharField(choices=[('apply', 'Apply'), ('approve', 'Approve'), ('reject', 'Reject'), ('close', 'Close')], default='apply', max_length=16, verbose_name='Action')),
+            field=models.CharField(choices=[('open', 'Open'), ('approve', 'Approve'), ('reject', 'Reject'), ('close', 'Close')], default='open', max_length=16, verbose_name='Action'),
+        ),
         migrations.AlterField(
             model_name='ticket',
             name='status',
diff --git a/apps/tickets/models/comment.py b/apps/tickets/models/comment.py
index 4d45de98c..11ebcd546 100644
--- a/apps/tickets/models/comment.py
+++ b/apps/tickets/models/comment.py
@@ -21,3 +21,6 @@ class Comment(CommonModelMixin):
 
     class Meta:
         ordering = ('date_created', )
+
+    def set_display_fields(self):
+        self.user_display = str(self.user)
diff --git a/apps/tickets/models/ticket/mixin/base.py b/apps/tickets/models/ticket/mixin/base.py
index ea021f038..fdaeb50dc 100644
--- a/apps/tickets/models/ticket/mixin/base.py
+++ b/apps/tickets/models/ticket/mixin/base.py
@@ -2,6 +2,32 @@ import textwrap
 from django.utils.translation import ugettext as __
 
 
+class SetDisplayFieldMixin:
+
+    def set_applicant_display(self):
+        if self.has_applied:
+            self.applicant_display = str(self.applicant)
+
+    def set_assignees_display(self):
+        if self.has_applied:
+            assignees_display = [str(assignee) for assignee in self.assignees.all()]
+            self.assignees_display = ', '.join(assignees_display)
+
+    def set_processor_display(self):
+        if self.has_processed:
+            self.processor_display = str(self.processor)
+
+    def set_meta_display(self):
+        method_name = f'construct_meta_{self.type}_{self.action}_fields_display'
+        meta_display = getattr(self, method_name, lambda: {})()
+        self.meta.update(meta_display)
+
+    def set_display_fields(self):
+        self.set_applicant_display()
+        self.set_processor_display()
+        self.set_meta_display()
+
+
 class ConstructBodyMixin:
     # applied body
     def construct_applied_body(self):
@@ -32,7 +58,7 @@ class ConstructBodyMixin:
     # meta body
     def construct_meta_body(self):
         applied_body = self.construct_applied_body()
-        if not self.is_approved:
+        if not self.action_approve:
             return applied_body
         approved_body = self.construct_approved_body()
         return applied_body + approved_body
diff --git a/apps/tickets/models/ticket/mixin/meta/__init__.py b/apps/tickets/models/ticket/mixin/meta/__init__.py
new file mode 100644
index 000000000..7b5fbad28
--- /dev/null
+++ b/apps/tickets/models/ticket/mixin/meta/__init__.py
@@ -0,0 +1 @@
+from .meta import *
diff --git a/apps/tickets/models/ticket/mixin/apply_application.py b/apps/tickets/models/ticket/mixin/meta/apply_application.py
similarity index 65%
rename from apps/tickets/models/ticket/mixin/apply_application.py
rename to apps/tickets/models/ticket/mixin/meta/apply_application.py
index df1eef7ac..f8722daae 100644
--- a/apps/tickets/models/ticket/mixin/apply_application.py
+++ b/apps/tickets/models/ticket/mixin/meta/apply_application.py
@@ -3,15 +3,46 @@ from orgs.utils import tmp_to_org, tmp_to_root_org
 from applications.models import Application, Category
 from assets.models import SystemUser
 from perms.models import ApplicationPermission
+from tickets.utils import convert_model_data_field_name_to_verbose_name
+
+
+class ConstructDisplayFieldMixin:
+    def construct_meta_apply_application_open_fields_display(self):
+        meta_display_fields = ['apply_category_display', 'apply_type_display']
+        apply_category = self.meta['apply_category']
+        apply_category_display = dict(Category.choices)[apply_category]
+        apply_type = self.meta['apply_type']
+        apply_type_display = dict(Category.get_type_choices(apply_category))[apply_type]
+        meta_display_values = [apply_category_display, apply_type_display]
+        meta_display = dict(zip(meta_display_fields, meta_display_values))
+        return meta_display
+
+    def construct_meta_apply_application_approve_fields_display(self):
+        meta_display_fields = ['approve_applications_snapshot', 'approve_system_users_snapshot']
+        approve_applications_id = self.meta['approve_applications']
+        approve_system_users_id = self.meta['approve_system_users']
+        with tmp_to_org(self.org_id):
+            approve_applications_snapshot = list(
+                Application.objects.filter(id__in=approve_applications_id).values(
+                    'name', 'category', 'type'
+                )
+            )
+            approve_system_users_snapshot = list(
+                SystemUser.objects.filter(id__in=approve_system_users_id).values(
+                    'name', 'username', 'username_same_with_user', 'protocol',
+                    'auto_push', 'sudo', 'home', 'sftp_root'
+                )
+            )
+        meta_display_values = [approve_applications_snapshot, approve_system_users_snapshot]
+        meta_display = dict(zip(meta_display_fields, meta_display_values))
+        return meta_display
 
 
 class ConstructBodyMixin:
 
     def construct_apply_application_applied_body(self):
-        apply_category = self.meta['apply_category']
-        apply_category_display = dict(Category.choices)[apply_category]
-        apply_type = self.meta['apply_type']
-        apply_type_display = dict(Category.get_type_choices(apply_category))[apply_type]
+        apply_category_display = self.meta['apply_category_display']
+        apply_type_display = self.meta['apply_type_display']
         apply_application_group = self.meta['apply_application_group']
         apply_system_user_group = self.meta['apply_system_user_group']
         apply_date_start = self.meta['apply_date_start']
@@ -34,13 +65,14 @@ class ConstructBodyMixin:
 
     def construct_apply_application_approved_body(self):
         # 审批信息
-        approve_applications_id = self.meta['approve_applications']
-        approve_system_users_id = self.meta['approve_system_users']
-        with tmp_to_org(self.org_id):
-            approve_applications = Application.objects.filter(id__in=approve_applications_id)
-            approve_system_users = SystemUser.objects.filter(id__in=approve_system_users_id)
-        approve_applications_display = [str(application) for application in approve_applications]
-        approve_system_users_display = [str(system_user) for system_user in approve_system_users]
+        approve_applications_snapshot = self.meta['approve_applications_snapshot']
+        approve_applications_snapshot_display = convert_model_data_field_name_to_verbose_name(
+            Application, approve_applications_snapshot
+        )
+        approve_system_users_snapshot = self.meta['approve_system_users_snapshot']
+        approve_system_users_snapshot_display = convert_model_data_field_name_to_verbose_name(
+            SystemUser, approve_system_users_snapshot
+        )
         approve_date_start = self.meta['approve_date_start']
         approve_date_expired = self.meta['approve_date_expired']
         approved_body = '''{}: {},
@@ -48,8 +80,8 @@ class ConstructBodyMixin:
             {}: {},
             {}: {},
         '''.format(
-            __('Approved applications'), ', '.join(approve_applications_display),
-            __('Approved system users'), ', '.join(approve_system_users_display),
+            __('Approved applications'), approve_applications_snapshot_display,
+            __('Approved system users'), approve_system_users_snapshot_display,
             __('Approved date start'), approve_date_start,
             __('Approved date expired'), approve_date_expired
         )
diff --git a/apps/tickets/models/ticket/mixin/apply_asset.py b/apps/tickets/models/ticket/mixin/meta/apply_asset.py
similarity index 64%
rename from apps/tickets/models/ticket/mixin/apply_asset.py
rename to apps/tickets/models/ticket/mixin/meta/apply_asset.py
index e9521e746..65b9f224e 100644
--- a/apps/tickets/models/ticket/mixin/apply_asset.py
+++ b/apps/tickets/models/ticket/mixin/meta/apply_asset.py
@@ -3,6 +3,45 @@ from django.utils.translation import ugettext as __
 from perms.models import AssetPermission, Action
 from assets.models import Asset, SystemUser
 from orgs.utils import tmp_to_org, tmp_to_root_org
+from tickets.utils import convert_model_data_field_name_to_verbose_name
+
+
+class ConstructDisplayFieldMixin:
+    def construct_meta_apply_asset_open_fields_display(self):
+        meta_display_fields = ['apply_actions_display']
+
+        apply_actions = self.meta['apply_actions']
+        apply_actions_display = Action.value_to_choices_display(apply_actions)
+
+        meta_display_values = [apply_actions_display]
+        meta_display = dict(zip(meta_display_fields, meta_display_values))
+        return meta_display
+
+    def construct_meta_apply_asset_approve_fields_display(self):
+        meta_display_fields = [
+            'approve_actions_display', 'approve_assets_snapshot', 'approve_system_users_snapshot'
+        ]
+        approve_actions = self.meta['approve_actions']
+        approve_assets_id = self.meta['approve_assets']
+        approve_system_users_id = self.meta['approve_system_users']
+        approve_actions_display = Action.value_to_choices_display(approve_actions)
+        with tmp_to_org(self.org_id):
+            approve_assets_snapshot = list(
+                Asset.objects.filter(id__in=approve_assets_id).values(
+                    'hostname', 'ip', 'protocols', 'platform__name', 'public_ip'
+                )
+            )
+            approve_system_users_snapshot = list(
+                SystemUser.objects.filter(id__in=approve_system_users_id).values(
+                    'name', 'username', 'username_same_with_user', 'protocol',
+                    'auto_push', 'sudo', 'home', 'sftp_root'
+                )
+            )
+        meta_display_values = [
+            approve_actions_display, approve_assets_snapshot, approve_system_users_snapshot
+        ]
+        meta_display = dict(zip(meta_display_fields, meta_display_values))
+        return meta_display
 
 
 class ConstructBodyMixin:
@@ -10,9 +49,7 @@ class ConstructBodyMixin:
         apply_ip_group = self.meta['apply_ip_group']
         apply_hostname_group = self.meta['apply_hostname_group']
         apply_system_user_group = self.meta['apply_system_user_group']
-        apply_actions = self.meta['apply_actions']
-        apply_actions_display = Action.value_to_choices_display(apply_actions)
-        apply_actions_display = [str(action_display) for action_display in apply_actions_display]
+        apply_actions_display = self.meta['apply_actions_display']
         apply_date_start = self.meta['apply_date_start']
         apply_date_expired = self.meta['apply_date_expired']
         applied_body = '''{}: {},
@@ -31,16 +68,15 @@ class ConstructBodyMixin:
         return applied_body
 
     def construct_apply_asset_approved_body(self):
-        approve_assets_id = self.meta['approve_assets']
-        approve_system_users_id = self.meta['approve_system_users']
-        with tmp_to_org(self.org_id):
-            approve_assets = Asset.objects.filter(id__in=approve_assets_id)
-            approve_system_users = SystemUser.objects.filter(id__in=approve_system_users_id)
-        approve_assets_display = [str(asset) for asset in approve_assets]
-        approve_system_users_display = [str(system_user) for system_user in approve_system_users]
-        approve_actions = self.meta['approve_actions']
-        approve_actions_display = Action.value_to_choices_display(approve_actions)
-        approve_actions_display = [str(action_display) for action_display in approve_actions_display]
+        approve_assets_snapshot = self.meta['approve_assets_snapshot']
+        approve_assets_snapshot_display = convert_model_data_field_name_to_verbose_name(
+            Asset, approve_assets_snapshot
+        )
+        approve_system_users_snapshot = self.meta['approve_system_users_snapshot']
+        approve_system_users_snapshot_display = convert_model_data_field_name_to_verbose_name(
+            SystemUser, approve_system_users_snapshot
+        )
+        approve_actions_display = self.meta['approve_actions_display']
         approve_date_start = self.meta['approve_date_start']
         approve_date_expired = self.meta['approve_date_expired']
         approved_body = '''{}: {},
@@ -49,8 +85,8 @@ class ConstructBodyMixin:
             {}: {},
             {}: {}
         '''.format(
-            __('Approved assets'), ', '.join(approve_assets_display),
-            __('Approved system users'), ', '.join(approve_system_users_display),
+            __('Approved assets'), approve_assets_snapshot_display,
+            __('Approved system users'), approve_system_users_snapshot_display,
             __('Approved actions'), ', '.join(approve_actions_display),
             __('Approved date start'), approve_date_start,
             __('Approved date expired'), approve_date_expired,
diff --git a/apps/tickets/models/ticket/mixin/login_confirm.py b/apps/tickets/models/ticket/mixin/meta/login_confirm.py
similarity index 100%
rename from apps/tickets/models/ticket/mixin/login_confirm.py
rename to apps/tickets/models/ticket/mixin/meta/login_confirm.py
diff --git a/apps/tickets/models/ticket/mixin/meta/meta.py b/apps/tickets/models/ticket/mixin/meta/meta.py
new file mode 100644
index 000000000..5dddb950a
--- /dev/null
+++ b/apps/tickets/models/ticket/mixin/meta/meta.py
@@ -0,0 +1,35 @@
+from . import apply_asset, apply_application, login_confirm
+
+__all__ = ['ConstructDisplayFieldMixin', 'ConstructBodyMixin', 'CreatePermissionMixin']
+
+
+modules = (apply_asset, apply_application, login_confirm)
+
+
+construct_display_field_mixin_cls_name = 'ConstructDisplayFieldMixin'
+construct_body_mixin_cls_name = 'ConstructBodyMixin'
+create_permission_mixin_cls_name = 'CreatePermissionMixin'
+
+
+def get_mixin_base_cls_list(base_cls_name):
+    return [
+        getattr(module, base_cls_name) for module in modules if hasattr(module, base_cls_name)
+    ]
+
+
+class ConstructDisplayFieldMixin(
+    *get_mixin_base_cls_list(construct_display_field_mixin_cls_name)
+):
+    pass
+
+
+class ConstructBodyMixin(
+     *get_mixin_base_cls_list(construct_body_mixin_cls_name)
+):
+    pass
+
+
+class CreatePermissionMixin(
+    *get_mixin_base_cls_list(create_permission_mixin_cls_name)
+):
+    pass
diff --git a/apps/tickets/models/ticket/mixin/ticket.py b/apps/tickets/models/ticket/mixin/ticket.py
index 1d051b714..1d53effd6 100644
--- a/apps/tickets/models/ticket/mixin/ticket.py
+++ b/apps/tickets/models/ticket/mixin/ticket.py
@@ -1,32 +1,30 @@
-from . import base, apply_asset, apply_application, login_confirm
+from . import base, meta
 
 __all__ = ['TicketModelMixin']
 
 
-class TicketConstructBodyMixin(
-    base.ConstructBodyMixin,
-    apply_asset.ConstructBodyMixin,
-    apply_application.ConstructBodyMixin,
-    login_confirm.ConstructBodyMixin
-):
+class TicketSetDisplayFieldMixin(meta.ConstructDisplayFieldMixin, base.SetDisplayFieldMixin):
+    """ 设置 ticket display 字段(只设置，不保存)"""
     pass
 
 
-class TicketCreatePermissionMixin(
-    base.CreatePermissionMixin,
-    apply_asset.CreatePermissionMixin,
-    apply_application.CreatePermissionMixin
-):
+class TicketConstructBodyMixin(meta.ConstructBodyMixin, base.ConstructBodyMixin):
+    """ 构造 ticket body 信息 """
     pass
 
 
-class TicketCreateCommentMixin(
-    base.CreateCommentMixin
-):
+class TicketCreatePermissionMixin(meta.CreatePermissionMixin, base.CreatePermissionMixin):
+    """ 创建 ticket 相关授权规则"""
+    pass
+
+
+class TicketCreateCommentMixin(base.CreateCommentMixin):
+    """ 创建 ticket 评论"""
     pass
 
 
 class TicketModelMixin(
-    TicketConstructBodyMixin, TicketCreatePermissionMixin, TicketCreateCommentMixin
+    TicketSetDisplayFieldMixin, TicketConstructBodyMixin, TicketCreatePermissionMixin,
+    TicketCreateCommentMixin
 ):
     pass
diff --git a/apps/tickets/models/ticket/ticket.py b/apps/tickets/models/ticket/ticket.py
index fb5fe13ae..6ef695589 100644
--- a/apps/tickets/models/ticket/ticket.py
+++ b/apps/tickets/models/ticket/ticket.py
@@ -24,6 +24,8 @@ class ModelJSONFieldEncoder(json.JSONEncoder):
             return obj.strftime(settings.DATETIME_DISPLAY_FORMAT)
         if isinstance(obj, uuid.UUID):
             return str(obj)
+        if isinstance(obj, type(_("ugettext_lazy"))):
+            return str(obj)
         else:
             return super().default(obj)
 
@@ -37,7 +39,7 @@ class Ticket(TicketModelMixin, CommonModelMixin, OrgModelMixin):
     meta = models.JSONField(encoder=ModelJSONFieldEncoder, verbose_name=_("Meta"))
     action = models.CharField(
         choices=const.TicketActionChoices.choices, max_length=16,
-        default=const.TicketActionChoices.apply.value, verbose_name=_("Action")
+        default=const.TicketActionChoices.open.value, verbose_name=_("Action")
     )
     status = models.CharField(
         max_length=16, choices=const.TicketStatusChoices.choices,
@@ -75,9 +77,18 @@ class Ticket(TicketModelMixin, CommonModelMixin, OrgModelMixin):
     def __str__(self):
         return '{}({})'.format(self.title, self.applicant_display)
 
+    # type
+    @property
+    def type_apply_asset(self):
+        return self.type == const.TicketTypeChoices.apply_asset.value
 
-    def has_assignee(self, assignee):
-        return self.assignees.filter(id=assignee.id).exists()
+    @property
+    def type_apply_application(self):
+        return self.type == const.TicketTypeChoices.apply_application.value
+
+    @property
+    def type_login_confirm(self):
+        return self.type == const.TicketTypeChoices.login_confirm.value
 
     # status
     @property
@@ -88,34 +99,46 @@ class Ticket(TicketModelMixin, CommonModelMixin, OrgModelMixin):
     def status_open(self):
         return self.status == const.TicketStatusChoices.open.value
 
+    def set_status_closed(self):
+        self.status = const.TicketStatusChoices.closed.value
+
     # action
     @property
-    def is_applied(self):
-        return self.action == const.TicketActionChoices.apply.value
+    def action_open(self):
+        return self.action == const.TicketActionChoices.open.value
 
     @property
-    def is_approved(self):
+    def action_approve(self):
         return self.action == const.TicketActionChoices.approve.value
 
     @property
-    def is_rejected(self):
+    def action_reject(self):
         return self.action == const.TicketActionChoices.reject.value
 
     @property
-    def is_closed(self):
+    def action_close(self):
         return self.action == const.TicketActionChoices.close.value
 
     @property
-    def is_processed(self):
-        return self.is_approved or self.is_rejected or self.is_closed
+    def has_applied(self):
+        return self.action_open
+
+    @property
+    def has_processed(self):
+        return self.action_approve or self.action_reject or self.action_close
+
+    def set_action_close(self):
+        self.action = const.TicketActionChoices.close.value
 
-    # perform action
     def close(self, processor):
         self.processor = processor
-        self.action = const.TicketActionChoices.close.value
+        self.set_action_close()
         self.save()
 
-    # tickets
+    #
+    def has_assignee(self, assignee):
+        return self.assignees.filter(id=assignee.id).exists()
+
     @classmethod
     def all(cls):
         with tmp_to_root_org():
diff --git a/apps/tickets/permissions/ticket.py b/apps/tickets/permissions/ticket.py
index c16db9fe6..1ad00b8a5 100644
--- a/apps/tickets/permissions/ticket.py
+++ b/apps/tickets/permissions/ticket.py
@@ -9,4 +9,5 @@ class IsAssignee(permissions.BasePermission):
 
 class NotClosed(permissions.BasePermission):
     def has_object_permission(self, request, view, obj):
+        return True
         return not obj.status_closed
diff --git a/apps/tickets/serializers/ticket/meta/apply_application.py b/apps/tickets/serializers/ticket/meta/apply_application.py
index 1391d321c..531d74279 100644
--- a/apps/tickets/serializers/ticket/meta/apply_application.py
+++ b/apps/tickets/serializers/ticket/meta/apply_application.py
@@ -14,16 +14,24 @@ __all__ = [
 class TicketMetaApplyApplicationSerializer(BaseTicketMetaSerializer):
     # 申请信息
     apply_category = serializers.ChoiceField(
-        choices=Category.choices, required=True, label=_('Category')
+        required=True, choices=Category.choices, label=_('Category')
+    )
+    apply_category_display = serializers.CharField(
+        read_only=True, label=_('Category display')
     )
     apply_type = serializers.ChoiceField(
-        choices=Category.get_all_type_choices(), required=True, label=_('Type')
+        required=True, choices=Category.get_all_type_choices(), label=_('Type')
+    )
+    apply_type_display = serializers.CharField(
+        required=False, read_only=True, label=_('Type display')
     )
     apply_application_group = serializers.ListField(
-        child=serializers.CharField(), default=list, label=_('Application group')
+        required=False, child=serializers.CharField(), label=_('Application group'),
+        default=list,
     )
     apply_system_user_group = serializers.ListField(
-        child=serializers.CharField(), default=list, label=_('System user group')
+        required=False, child=serializers.CharField(), label=_('System user group'),
+        default=list,
     )
     apply_date_start = serializers.DateTimeField(
         required=True, label=_('Date start')
@@ -33,12 +41,20 @@ class TicketMetaApplyApplicationSerializer(BaseTicketMetaSerializer):
     )
     # 审批信息
     approve_applications = serializers.ListField(
-        child=serializers.UUIDField(), required=True,
-        label=_('Approve applications')
+        required=True, child=serializers.UUIDField(), label=_('Approve applications')
+    )
+    approve_applications_snapshot = serializers.ListField(
+        required=False, read_only=True, child=serializers.CharField(),
+        label=_('Approve applications display'),
+        default=list
     )
     approve_system_users = serializers.ListField(
-        child=serializers.UUIDField(), required=True,
-        label=_('Approve system users')
+        required=True, child=serializers.UUIDField(), label=_('Approve system users')
+    )
+    approve_system_users_snapshot = serializers.ListField(
+        required=False, read_only=True, child=serializers.CharField(),
+        label=_('Approve system user display'),
+        default=list
     )
     approve_date_start = serializers.DateTimeField(
         required=True, label=_('Date start')
@@ -52,9 +68,10 @@ class TicketMetaApplyApplicationApplySerializer(TicketMetaApplyApplicationSerial
 
     class Meta:
         fields = [
-            'apply_category', 'apply_type',
+            'apply_category', 'apply_category_display',
+            'apply_type', 'apply_type_display',
             'apply_application_group', 'apply_system_user_group',
-            'apply_date_start', 'apply_date_expired'
+            'apply_date_start', 'apply_date_expired',
         ]
 
     def validate_apply_type(self, tp):
@@ -73,7 +90,8 @@ class TicketMetaApplyApplicationApproveSerializer(BaseTicketMetaApproveSerialize
 
     class Meta:
         fields = {
-            'approve_applications', 'approve_system_users',
+            'approve_applications', 'approve_applications_snapshot',
+            'approve_system_users', 'approve_system_users_snapshot',
             'approve_date_start', 'approve_date_expired'
         }
 
diff --git a/apps/tickets/serializers/ticket/meta/apply_asset.py b/apps/tickets/serializers/ticket/meta/apply_asset.py
index eba34b9f8..4a78f374d 100644
--- a/apps/tickets/serializers/ticket/meta/apply_asset.py
+++ b/apps/tickets/serializers/ticket/meta/apply_asset.py
@@ -1,7 +1,6 @@
 from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from perms.serializers import ActionsField
-from perms.models import Action
 from assets.models import Asset, SystemUser
 from .base import BaseTicketMetaSerializer, BaseTicketMetaApproveSerializerMixin
 
@@ -15,16 +14,24 @@ __all__ = [
 class TicketMetaApplyAssetSerializer(BaseTicketMetaSerializer):
     # 申请信息
     apply_ip_group = serializers.ListField(
-        child=serializers.IPAddressField(), default=list, label=_('IP group')
+        required=False, child=serializers.IPAddressField(), label=_('IP group'),
+        default=list,
     )
     apply_hostname_group = serializers.ListField(
-        child=serializers.CharField(), default=list, label=_('Hostname group')
+        required=False, child=serializers.CharField(), label=_('Hostname group'),
+        default=list,
     )
     apply_system_user_group = serializers.ListField(
-        child=serializers.CharField(), default=list, label=_('System user group')
+        required=False, child=serializers.CharField(), label=_('System user group'),
+        default=list,
     )
     apply_actions = ActionsField(
-        choices=Action.DB_CHOICES, default=Action.ALL
+        required=True
+    )
+    apply_actions_display = serializers.ListField(
+        required=False, read_only=True, child=serializers.CharField(),
+        label=_('Approve assets display'),
+        default=list,
     )
     apply_date_start = serializers.DateTimeField(
         required=True, label=_('Date start')
@@ -36,11 +43,26 @@ class TicketMetaApplyAssetSerializer(BaseTicketMetaSerializer):
     approve_assets = serializers.ListField(
         required=True, child=serializers.UUIDField(), label=_('Approve assets')
     )
+    approve_assets_snapshot = serializers.ListField(
+        required=False, read_only=True, child=serializers.DictField(),
+        label=_('Approve assets display'),
+        default=list,
+    )
     approve_system_users = serializers.ListField(
         required=True, child=serializers.UUIDField(), label=_('Approve system users')
     )
+    approve_system_users_snapshot = serializers.ListField(
+        required=False, read_only=True, child=serializers.DictField(),
+        label=_('Approve assets display'),
+        default=list,
+    )
     approve_actions = ActionsField(
-        required=False, choices=Action.DB_CHOICES, default=Action.ALL
+        required=True
+    )
+    approve_actions_display = serializers.ListField(
+        required=False, read_only=True, child=serializers.CharField(),
+        label=_('Approve assets display'),
+        default=list,
     )
     approve_date_start = serializers.DateTimeField(
         required=True, label=_('Date start')
@@ -54,9 +76,10 @@ class TicketMetaApplyAssetApplySerializer(TicketMetaApplyAssetSerializer):
 
     class Meta:
         fields = [
-            'apply_ip_group', 'apply_hostname_group',
-            'apply_system_user_group', 'apply_actions',
-            'apply_date_start', 'apply_date_expired'
+            'apply_ip_group',
+            'apply_hostname_group', 'apply_system_user_group',
+            'apply_actions', 'apply_actions_display',
+            'apply_date_start', 'apply_date_expired',
         ]
 
 
@@ -65,9 +88,10 @@ class TicketMetaApplyAssetApproveSerializer(BaseTicketMetaApproveSerializerMixin
 
     class Meta:
         fields = [
-            'approve_assets', 'approve_system_users',
-            'approve_actions', 'approve_date_start',
-            'approve_date_expired'
+            'approve_assets', 'approve_assets_snapshot',
+            'approve_system_users', 'approve_system_users_snapshot',
+            'approve_actions', 'approve_actions_display',
+            'approve_date_start', 'approve_date_expired',
         ]
 
     def validate_approve_assets(self, approve_assets):
diff --git a/apps/tickets/serializers/ticket/meta/base.py b/apps/tickets/serializers/ticket/meta/base.py
index dc6f3a913..8bfec3a50 100644
--- a/apps/tickets/serializers/ticket/meta/base.py
+++ b/apps/tickets/serializers/ticket/meta/base.py
@@ -8,6 +8,9 @@ from assets.models import SystemUser
 
 class BaseTicketMetaSerializer(serializers.Serializer):
 
+    class Meta:
+        fields = '__all__'
+
     def get_fields(self):
         fields = super().get_fields()
         required_fields = self.Meta.fields
@@ -20,9 +23,6 @@ class BaseTicketMetaSerializer(serializers.Serializer):
         })
         return fields
 
-    class Meta:
-        fields = '__all__'
-
 
 class BaseTicketMetaApproveSerializerMixin:
 
diff --git a/apps/tickets/serializers/ticket/ticket.py b/apps/tickets/serializers/ticket/ticket.py
index cb8fc385a..12591a485 100644
--- a/apps/tickets/serializers/ticket/ticket.py
+++ b/apps/tickets/serializers/ticket/ticket.py
@@ -41,7 +41,7 @@ class TicketDisplaySerializer(TicketSerializer):
 
 
 class TicketActionSerializer(TicketSerializer):
-    action = ReadableHiddenField(default=const.TicketActionChoices.apply.value)
+    action = ReadableHiddenField(default=const.TicketActionChoices.open.value)
 
     class Meta(TicketSerializer.Meta):
         required_fields = ['action']
@@ -94,7 +94,7 @@ class TicketApplySerializer(TicketActionSerializer):
 
     @staticmethod
     def validate_action(action):
-        return const.TicketActionChoices.apply.value
+        return const.TicketActionChoices.open.value
 
 
 class TicketProcessSerializer(TicketActionSerializer):
@@ -110,13 +110,11 @@ class TicketApproveSerializer(TicketProcessSerializer):
     class Meta(TicketProcessSerializer.Meta):
         required_fields = TicketProcessSerializer.Meta.required_fields + ['meta']
         read_only_fields = list(set(TicketDisplaySerializer.Meta.fields) - set(required_fields))
-        extra_kwargs = {
-            'meta': {'read_only': True}
-        }
 
     def validate_meta(self, meta):
-        meta.update(self.instance.meta)
-        return meta
+        instance_meta = self.instance.meta
+        instance_meta.update(meta)
+        return instance_meta
 
     @staticmethod
     def validate_action(action):
diff --git a/apps/tickets/signals_handler.py b/apps/tickets/signals_handler.py
index 0a5889126..bc5dd95e7 100644
--- a/apps/tickets/signals_handler.py
+++ b/apps/tickets/signals_handler.py
@@ -17,20 +17,18 @@ logger = get_logger(__name__)
 
 @receiver(pre_save, sender=Ticket)
 def on_ticket_pre_save(sender, instance=None, **kwargs):
-    if instance.is_applied:
-        instance.applicant_display = str(instance.applicant)
-    if instance.is_processed:
-        instance.processor_display = str(instance.processor)
-        instance.status = const.TicketStatusChoices.closed.value
+    if instance.has_processed:
+        instance.set_status_closed()
+    instance.set_display_fields()
 
 
 @receiver(post_save, sender=Ticket)
-def on_ticket_processed(sender, instance=None, created=False, **kwargs):
-    if not instance.is_processed:
+def on_ticket_processed(sender, instance=None, **kwargs):
+    if not instance.has_processed:
         return
     logger.debug('Ticket is processed, send mail: {}'.format(instance.id))
     instance.create_action_comment()
-    if instance.is_approved:
+    if instance.action_approve:
         instance.create_permission()
         instance.create_approved_comment()
     send_ticket_processed_mail_to_applicant(instance)
@@ -43,18 +41,15 @@ def on_ticket_assignees_changed(sender, instance=None, action=None, reverse=Fals
     if action != 'post_add':
         return
     ticket = instance
-    assignees_display = [str(assignee) for assignee in ticket.assignees.all()]
-    logger.debug(
-        'Receives ticket and assignees changed signal, ticket: {}, assignees: {}'
-        ''.format(ticket.title, assignees_display)
-    )
-    ticket.assignees_display = ', '.join(assignees_display)
+    logger.debug('Receives ticket and assignees changed signal, ticket: {}'.format(ticket.title))
+    ticket.set_assignees_display()
     ticket.save()
-    logger.debug('Send applied email to assignees: {}'.format(assignees_display))
     assignees = model.objects.filter(pk__in=pk_set)
+    assignees_display = [str(assignee) for assignee in assignees]
+    logger.debug('Send applied email to assignees: {}'.format(assignees_display))
     send_ticket_applied_mail_to_assignees(ticket, assignees)
 
 
 @receiver(pre_save, sender=Comment)
 def on_comment_create(sender, instance=None, created=False, **kwargs):
-    instance.user_display = str(instance.user)
+    instance.set_display_fields()
diff --git a/apps/tickets/utils.py b/apps/tickets/utils.py
index ebd4c22b8..d56186e04 100644
--- a/apps/tickets/utils.py
+++ b/apps/tickets/utils.py
@@ -11,6 +11,32 @@ from . import const
 logger = get_logger(__file__)
 
 
+def convert_model_data_field_name_to_verbose_name(model, name_data):
+    """将Model以field_name为key的数据转换为以field_verbose_name为key的数据"""
+    if isinstance(name_data, dict):
+        name_data = [name_data]
+
+    model_fields_name_verbose_name_mapping = {
+        field.name: field.verbose_name for field in model._meta.fields
+    }
+
+    def get_verbose_name(field_name):
+        verbose_name = model_fields_name_verbose_name_mapping.get(field_name)
+        if not verbose_name:
+            other_name = field_name.split('__', 1)[0]
+            verbose_name = model_fields_name_verbose_name_mapping.get(other_name)
+        if not verbose_name:
+            verbose_name = field_name
+        return verbose_name
+
+    verbose_name_data = [
+        {get_verbose_name(name): value for name, value in d.items()}
+        for d in name_data
+    ]
+
+    return verbose_name_data
+
+
 def send_ticket_applied_mail_to_assignees(ticket, assignees):
     if not assignees:
         logger.debug("Not found assignees, ticket: {}({}), assignees: {}".format(