Python中如何解决VSCODE运行程序时出现的错误？

WIN7，PYTHON3.6.4，在 VSCODE 下按 F5 运行程序时，会弹出一个提示框：Timeout waiting for debugger connection，提示框还带有“打开 launch.json ”的按钮。
同时会出现以下错误信息

Could not connect to 127.0.0.1: 58660
Traceback (most recent call last):
File “D:\Python3\lib\site-packages\ptvsd\pydevd\pydevd.py”, line 1620, in main
debugger.connect(host, port)
File “D:\Python3\lib\site-packages\ptvsd\pydevd\pydevd.py”, line 324, in connect
s = start_client(host, port)
File “D:\Python3\lib\site-packages\ptvsd\wrapper.py”, line 1163, in start_client
client.connect((host, port))
ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接。

请问这是怎么回事，哪里没有配置正确么？感谢指点！
Python中如何解决VSCODE运行程序时出现的错误？