当右上角X关闭窗口时报错(An error occurs when the upper right corner x closes the window)

[RONG-GUI]

当右上角X关闭窗口时报错(An error occurs when the upper right corner x closes the window)：
"Fatal Python error: _enter_buffered_busy: could not acquire lock for <_io.BufferedReader name=''> at interpreter shutdown, possibly due to daemon threads
Python runtime state: finalizing (tstate=000001CA6F3710E0)

Current thread 0x00001c40 (most recent call first):
no Python frame"

尝试重写 QtWidgets.QMainWindow的closeEvent也是一样。
Try to rewrite closeEvent, but the result is the same.

----code------
`import sys
from PyQt6 import QtWidgets
from PyQt6.QtCore import QThread
from PyQt6.QtCore import pyqtSignal
import PD # PyUic生成的UI文件

class Windows(QtWidgets.QMainWindow, PD.Ui_MainWindow):

def __init__(self):
    super(Windows, self).__init__()
    self.setupUi(self)
    self.add_text = AddText()
    # self.add_text.setDaemon(True)  # QThread没有setDaemon
    self.add_text.start()
    self.add_text.signal.connect(self.add_box)

def add_box(self, text):
    pass

class AddText(QThread):

signal = pyqtSignal(list)

def __init__(self):
    """子线程，用于调试文本"""
    super(AddText, self).__init__()
    self.txt = list()

 def run(self):
    self.input_txt()

def input_txt(self):
    try:
        while True:
            val = input("请输入：")
            self.txt.append(val)
            self.signal.emit(self.txt)
    except Exception as e:
        pass

if name == 'main':
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Windows()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec())`

[RONG-GUI]

已解决

[feelinglessly]

怎么解决的啊

[892768447]

怎么解决的啊

1. 线程里不能直接操作UI。
2. 主线程关闭时等待线程退出（具体可以参考下这个例子 https://github.com/PyQt5/PyQt/blob/master/QThread/InheritQThread.py#L27）