diff --git a/apps/terminal/const.py b/apps/terminal/const.py
index a38d026b4..40adb4e82 100644
--- a/apps/terminal/const.py
+++ b/apps/terminal/const.py
@@ -59,3 +59,9 @@ class PublishStatus(TextChoices):
     success = 'success', _("Success")
     failed = 'failed', _("Failed")
     mismatch = 'mismatch', _("Mismatch")
+
+
+class SessionType(TextChoices):
+    normal = 'normal', _('Normal')
+    tunnel = 'tunnel', _('Tunnel')
+    command = 'command', _('Command')
diff --git a/apps/terminal/models/session/session.py b/apps/terminal/models/session/session.py
index fd5b2b243..f170b0e33 100644
--- a/apps/terminal/models/session/session.py
+++ b/apps/terminal/models/session/session.py
@@ -15,6 +15,7 @@ from assets.models import Asset
 from common.utils import get_object_or_none, lazyproperty
 from orgs.mixins.models import OrgModelMixin
 from terminal.backends import get_multi_command_storage
+from terminal.const import SessionType
 from users.models import User
 
 
@@ -124,6 +125,9 @@ class Session(OrgModelMixin):
             return False
         if self.login_from == self.LOGIN_FROM.RT:
             return False
+        if self.type != SessionType.normal:
+            # 会话监控仅支持 normal，不支持 tunnel 和 command
+            return False
         if self.protocol in [
             Protocol.ssh, Protocol.vnc, Protocol.rdp,
             Protocol.telnet, Protocol.k8s
@@ -153,7 +157,7 @@ class Session(OrgModelMixin):
             return None, e
 
         if settings.SERVER_REPLAY_STORAGE:
-            from ..tasks import upload_session_replay_to_external_storage
+            from terminal.tasks import upload_session_replay_to_external_storage
             upload_session_replay_to_external_storage.delay(str(self.id))
         return name, None
 
diff --git a/apps/terminal/serializers/session.py b/apps/terminal/serializers/session.py
index 32ff8061e..572c1ecc3 100644
--- a/apps/terminal/serializers/session.py
+++ b/apps/terminal/serializers/session.py
@@ -1,10 +1,10 @@
-from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 
 from assets.const import Protocol
 from common.serializers.fields import LabeledChoiceField
 from orgs.mixins.serializers import BulkOrgResourceModelSerializer
+from ..const import SessionType
 from ..models import Session
 
 __all__ = [
@@ -13,10 +13,6 @@ __all__ = [
 ]
 
 
-class SessionType(models.TextChoices):
-    normal = 'normal', _('Normal')
-    tunnel = 'tunnel', _('Tunnel')
-    command = 'command', _('Command')
 
 
 class SessionSerializer(BulkOrgResourceModelSerializer):