diff --git a/apps/assets/models/account.py b/apps/assets/models/account.py
index 7660ff682..3c0588cdf 100644
--- a/apps/assets/models/account.py
+++ b/apps/assets/models/account.py
@@ -14,8 +14,10 @@ class Account(BaseUser, AbsConnectivity, ProtocolMixin):
         common = 'common', _('Common user')
         admin = 'admin', _('Admin user')
 
-    protocol = models.CharField(max_length=16, choices=ProtocolMixin.Protocol.choices,
-                                default='ssh', verbose_name=_('Protocol'))
+    protocol = models.CharField(
+        max_length=16, choices=ProtocolMixin.Protocol.choices,
+        default='ssh', verbose_name=_('Protocol')
+    )
     type = models.CharField(max_length=16, choices=Type.choices, default=Type.common, verbose_name=_("Type"))
     asset = models.ForeignKey('assets.Asset', on_delete=models.CASCADE, verbose_name=_('Asset'))
     version = models.IntegerField(default=0, verbose_name=_('Version'))
diff --git a/apps/assets/models/user.py b/apps/assets/models/user.py
index 661f89480..5affa7367 100644
--- a/apps/assets/models/user.py
+++ b/apps/assets/models/user.py
@@ -199,6 +199,10 @@ class SystemUser(ProtocolMixin, BaseUser):
             return
         self.su_from.assets.add(*tuple(assets_or_ids))
 
+    @classmethod
+    def create_accounts_with_assets(cls, asset_ids, system_user_ids):
+        pass
+
     class Meta:
         ordering = ['name']
         unique_together = [('name', 'org_id')]
@@ -208,6 +212,12 @@ class SystemUser(ProtocolMixin, BaseUser):
         ]
 
 
+class SystemUserAccount(models.Model):
+    system_user = models.ForeignKey('SystemUser', on_delete=models.CASCADE, related_name='accounts')
+    account = models.ForeignKey('assets.Account', on_delete=models.CASCADE, related_name='system_users')
+    date_created = models.DateTimeField(auto_now_add=True)
+
+
 # Deprecated: 准备废弃
 class AdminUser(BaseUser):
     """
diff --git a/apps/assets/signal_handlers/system_user.py b/apps/assets/signal_handlers/system_user.py
index 64a656c29..e0dfe3ebf 100644
--- a/apps/assets/signal_handlers/system_user.py
+++ b/apps/assets/signal_handlers/system_user.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 from django.db.models.signals import (
-    post_save, m2m_changed, pre_save, pre_delete, post_delete
+    post_save, m2m_changed
 )
 from django.dispatch import receiver
 
@@ -32,6 +32,9 @@ def on_system_user_assets_change(instance, action, model, pk_set, **kwargs):
         logger.debug('No system user found')
         return
 
+    if action != POST_ADD:
+        return
+
     if model == Asset:
         system_user_ids = [instance.id]
         asset_ids = pk_set
@@ -39,6 +42,7 @@ def on_system_user_assets_change(instance, action, model, pk_set, **kwargs):
         system_user_ids = pk_set
         asset_ids = [instance.id]
     # todo: Auto create account if need
+    SystemUser.create_accounts_with_assets(asset_ids, system_user_ids)
 
 
 @receiver(m2m_changed, sender=SystemUser.users.through)