清理

main.py

@@ -1,8 +1,8 @@
 import uvicorn
 import sys
-from fastapi import FastAPI, WebSocket, WebSocketDisconnect, Request, Depends, HTTPException
+from fastapi import FastAPI, WebSocket, WebSocketDisconnect
 from fastapi.responses import HTMLResponse
-from ObjectManager import ConnectionManager, TaskManager, ServerManager, Task
+from ObjectManager import TaskManager, Task
 from typing import List
 
 
@@ -73,7 +73,6 @@ app = FastAPI()
 async def get():
     return HTMLResponse(html)
 
-connection_manager = ConnectionManager()
 task_manager = TaskManager()