fix: 解决cache_areas_info重复执行的问题

apps/am/apps.py

@@ -1,11 +1,14 @@
 from django.apps import AppConfig
-
+from django.core.cache import cache
 
 class AmConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'apps.am'
+    is_initialized = False
 
     def ready(self) -> None:
+        if not self.is_initialized:
             from apps.am.tasks import cache_areas_info
             cache_areas_info.delay()
+            self.is_initialized = True
         return super().ready()