QObject::connect: signal not found in QPushButton

问题：运行后点击QPushButton时，控制台报错，并且点击没有响应点击事件

//信号与槽关联
connect(startButton, &QPushButton::click, this, &ThreadDlg::slotStart);
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//点击报错，控制台打印的错误信息
QObject::connect: signal not found in QPushButton
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解决方案：
QPushButton没有click信号，拼写错误，需要改为clicked

//信号与槽关联
connect(startButton, &QPushButton::clicked, this, &ThreadDlg::slotStart);