diff --git a/arkid/core/apps.py b/arkid/core/apps.py
index d56ca43c0..5803ac94a 100644
--- a/arkid/core/apps.py
+++ b/arkid/core/apps.py
@@ -21,5 +21,3 @@ def ready(self):
             pass
         # 监听
         from arkid.core import listener
-        from arkid.core.event import Event, dispatch_event, APP_START
-        # dispatch_event(Event(tag=APP_START, tenant=tenant))
diff --git a/arkid/core/tasks/tasks.py b/arkid/core/tasks/tasks.py
index 4d4f0e32a..1b6a31049 100644
--- a/arkid/core/tasks/tasks.py
+++ b/arkid/core/tasks/tasks.py
@@ -1,5 +1,14 @@
+import os, django
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'arkid.settings')
+django.setup()
 
-
+from arkid.extension.models import TenantExtensionConfig, Extension
+from arkid.core.models import SystemPermission
+from arkid.core.openapi import get_permissions
+from arkid.core.event import Event, dispatch_event, APP_START
+from arkid.core.models import Tenant
+from arkid.core.api import api
+from django.db.models import Q
 from arkid.config import get_app_config
 from arkid.common.logger import logger
 from types import SimpleNamespace
@@ -10,10 +19,7 @@
 
 @shared_task(bind=True)
 def sync(self, config_id, *args, **kwargs):
-    import os, django
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'arkid.settings')
-    django.setup()
-    from arkid.extension.models import TenantExtensionConfig, Extension
+
     try:
         logger.info("=== arkid.core.tasks.sync start...===")
         logger.info(f"config_id: {config_id}")
@@ -37,14 +43,6 @@ def sync(self, config_id, *args, **kwargs):
 
 @app.task
 def update_system_permission():
-    import os, django
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'arkid.settings')
-    django.setup()
-    from arkid.core.models import SystemPermission
-    from arkid.core.openapi import get_permissions
-    from arkid.core.api import api
-    from django.db.models import Q
-
     permissions_data = get_permissions(api)
     group_data = []
     api_data = []
@@ -148,4 +146,22 @@ def update_system_permission():
       tenant=None,
       is_system=True,
       is_update=False
-    ).delete()
\ No newline at end of file
+    ).delete()
+
+class ReadySingleton(object):
+    def __init__(self, *args, **kwargs):
+        pass
+        
+    @classmethod
+    def get_instance(cls, *args, **kwargs): 
+        if not hasattr(ReadySingleton, '_instance' ):
+            ReadySingleton._instance = ReadySingleton(*args, **kwargs)
+            # 只有celery第一次被启动时才会调用
+            tenant = Tenant.valid_objects.filter(
+                slug='',
+                name="platform tenant",
+            ).first()
+            dispatch_event(Event(tag=APP_START, tenant=tenant))
+        return ReadySingleton._instance
+
+ReadySingleton.get_instance()
\ No newline at end of file