feat：内存监控开关

app/startup/memory_initializer.py

@@ -1,12 +1,12 @@
 from app.core.config import settings
-from app.helper.memory import MemoryManager
+from app.helper.memory import MemoryHelper
 
 
 def init_memory_manager():
     """
     初始化内存监控器
     """
-    memory_manager = MemoryManager()
+    memory_manager = MemoryHelper()
     # 设置内存阈值和启动监控
     memory_manager.set_threshold(settings.CACHE_CONF['memory'])
     memory_manager.start_monitoring()
@@ -16,4 +16,4 @@ def stop_memory_manager():
     """
     停止内存监控器
     """
-    MemoryManager().stop_monitoring()
+    MemoryHelper().stop_monitoring()