diff --git a/apps/terminal/models/component/status.py b/apps/terminal/models/component/status.py
index 279d6ac95..d273b9dac 100644
--- a/apps/terminal/models/component/status.py
+++ b/apps/terminal/models/component/status.py
@@ -53,7 +53,7 @@ class Status(models.Model):
 
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None):
-        self.terminal.set_alive(ttl=120)
+        self.terminal.set_alive(ttl=60 * 3)
         return self.save_to_cache()
 
     def save_to_cache(self):
diff --git a/apps/terminal/models/component/terminal.py b/apps/terminal/models/component/terminal.py
index df09df680..88c2c6154 100644
--- a/apps/terminal/models/component/terminal.py
+++ b/apps/terminal/models/component/terminal.py
@@ -1,5 +1,3 @@
-import time
-
 from django.conf import settings
 from django.core.cache import cache
 from django.db import models
@@ -11,6 +9,7 @@ from common.utils import get_logger, lazyproperty
 from orgs.utils import tmp_to_root_org
 from terminal.const import TerminalType as TypeChoices
 from users.models import User
+from .status import Status
 from ..session import Session
 
 logger = get_logger(__file__)
@@ -23,7 +22,7 @@ class TerminalStatusMixin:
 
     @lazyproperty
     def last_stat(self):
-        return self.status_set.order_by('date_created').last()
+        return Status.get_terminal_latest_stat(self)
 
     @lazyproperty
     def load(self):
@@ -32,11 +31,10 @@ class TerminalStatusMixin:
 
     @property
     def is_alive(self):
-        if not self.last_stat:
-            return False
-        return time.time() - self.last_stat.date_created.timestamp() < 150
+        key = self.ALIVE_KEY.format(self.id)
+        return cache.get(key, False)
 
-    def set_alive(self, ttl=120):
+    def set_alive(self, ttl=60 * 3):
         key = self.ALIVE_KEY.format(self.id)
         cache.set(key, True, ttl)
 
diff --git a/apps/terminal/utils/components.py b/apps/terminal/utils/components.py
index 59d021186..a3de26322 100644
--- a/apps/terminal/utils/components.py
+++ b/apps/terminal/utils/components.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 #
-import time
 from itertools import groupby
 
 from common.utils import get_logger
@@ -40,7 +39,7 @@ class ComputeLoadUtil:
 
     @classmethod
     def compute_load(cls, stat):
-        if not stat or time.time() - stat.date_created.timestamp() > 150:
+        if not stat:
             return ComponentLoad.offline
         system_status_values = cls._compute_system_stat_status(stat).values()
         if ComponentLoad.critical in system_status_values: