Web 3 Storage program is stuck

i have confige ipfs token, number worker as 2 but when i run : bash run_server.sh 1 , bash run_client.sh 1 11 , bash run_client 2 22.

After server get connection from 2 client and it stuck at this log :

[FedML-Server @device-id-0] [Thu, 14 Sep 2023 19:35:22] [INFO] [mqtt_manager.py:93:send_message] FedMLDebug - Send: topic (fedml_1_0_2), message ({"msg_type": 6, "sender": 0, "receiver": 2, "client_idx": "859"})
[FedML-Server @device-id-0] [Thu, 14 Sep 2023 19:35:22] [INFO] [fedml_server_manager.py:107:handle_message_connection_ready] Connection ready for client2

at client side it stuck

[FedML-Client @device-id-1] [Thu, 14 Sep 2023 19:36:40] [INFO] [mqtt_manager.py:93:send_message] FedMLDebug - Send: topic (fedml_11_1), message ({"msg_type": 5, "sender": 1, "receiver": 0, "client_status": "ONLINE", "client_os": "Linux"})