终端编译执行出错

Traceback (most recent call last): File "/usr/local/lib/python3.11/site-packages/pymysql/connections.py", line 649, in connect sock = socket.create_connection( ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/local/lib/python3.11/socket.py", line 850, in create_connection raise exceptions[0] File "/usr/local/lib/python3.11/socket.py", line 835, in create_connection sock.connect(sa) ConnectionRefusedError: [Errno 111] Connection refused