feat: update, try to fix the session auto remove

maybe fix the bug

coco/httpd.py

@@ -64,6 +64,7 @@ class ProxyNamespace(BaseNamespace):
             "room": room,
             "proxy": dict(),
             "client": dict(),
+            "thread": dict(),
             "forwarder": dict(),
             "request": self.make_coco_request()
         }
@@ -151,7 +152,7 @@ class ProxyNamespace(BaseNamespace):
         self.clients[request.sid]["forwarder"][connection] = ProxyServer(
             self.app, self.clients[request.sid]["client"][connection]
         )
-        self.socketio.start_background_task(
+        self.clients[request.sid]["thread"][connection] = self.socketio.start_background_task(
             self.clients[request.sid]["forwarder"][connection].proxy,
             asset, system_user
         )
@@ -231,6 +232,9 @@ class ProxyNamespace(BaseNamespace):
                 del self.clients[request.sid]["forwarder"][connection]
             if connection in self.clients[request.sid]["client"].keys():
                 del self.clients[request.sid]["client"][connection]
+            if connection in self.clients[request.sid]["thread"].keys():
+                logger.debug("thread close", connection)
+                self.clients[request.sid]["thread"][connection].stop()
 
 
 class HttpServer: