diff --git a/apps/perms/signals_handler.py b/apps/perms/signals_handler.py
index eecd101e8..4a7fe389c 100644
--- a/apps/perms/signals_handler.py
+++ b/apps/perms/signals_handler.py
@@ -11,13 +11,6 @@ from .utils.asset_permission import AssetPermissionUtilV2
 
 logger = get_logger(__file__)
 
-permission_m2m_senders = (
-    AssetPermission.nodes.through,
-    AssetPermission.assets.through,
-    AssetPermission.users.through,
-    AssetPermission.user_groups.through,
-)
-
 
 @receiver([post_save, post_delete], sender=AssetPermission)
 @on_transaction_commit
diff --git a/apps/users/signals_handler.py b/apps/users/signals_handler.py
index 4c6afc663..a33d9eec9 100644
--- a/apps/users/signals_handler.py
+++ b/apps/users/signals_handler.py
@@ -2,11 +2,11 @@
 #
 
 from django.dispatch import receiver
-# from django.db.models.signals import post_save
+from django.db.models.signals import post_save, m2m_changed
 
 from common.utils import get_logger
 from .signals import post_user_create
-# from .models import User
+from .models import User
 
 logger = get_logger(__file__)
 
@@ -28,3 +28,14 @@ def on_user_create(sender, user=None, **kwargs):
     logger.info("   - Sending welcome mail ...".format(user.name))
     if user.email:
         send_user_created_mail(user)
+
+
+@receiver(m2m_changed, sender=User.groups.through)
+def on_user_groups_change(sender, instance=None, action='', **kwargs):
+    """
+    资产节点发生变化时，刷新节点
+    """
+    if action.startswith('post'):
+        logger.debug("User group member change signal recv: {}".format(instance))
+        from perms.utils import AssetPermissionUtilV2
+        AssetPermissionUtilV2.expire_all_user_tree_cache()