c – Qt：某些插槽不会在发布模式下执行

我使用Qt Creator的’绘图工具’设计了我的窗口(Qt Designer,我猜).
我的头文件中定义了这样的插槽：

private slots:
    void on_goButton_clicked(); // Works fine

    void on_InputCheckBox_stateChanged(int arg1); // Don't work
    void on_outputFileCheckBox_stateChanged(int arg1); // Same as above

    void on_inputBrowseButton_clicked();  // Don't work,since theyre disabled
    void on_outputBrowseButton_clicked(); // Same as above

    void replyFinished(QNetworkReply *);

我对这些信号的实现如下：

void MainWindow::on_InputCheckBox_stateChanged(int arg1)
{
    if (arg1 == Qt::Checked)
    {
        ui->inputEdit->setEnabled(true);
        ui->inputBrowseButton->setEnabled(true);
     }
    else
    {
        ui->inputEdit->setEnabled(false);
        ui->inputBrowseButton->setEnabled(false);
    }
}

void MainWindow::on_outputFileCheckBox_stateChanged(int arg1)
{
    if (arg1 == Qt::Checked)
    {
        ui->outputEdit->setEnabled(true);
        ui->outputBrowseButton->setEnabled(true);
    }
    else
    {
        ui->outputEdit->setEnabled(false);
        ui->outputBrowseButton->setEnabled(false);
    }
}

void MainWindow::on_inputBrowseButton_clicked()
{
    QString documents = DesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
    QString filename = QFileDialog::getOpenFileName(
            this,tr("Select input file"),documents,tr("Text files (*.txt);;All files (*)"));
    if (filename.size() == 0)
        return;
    else
         ui->inputEdit->setText(filename);
}

void MainWindow::on_outputBrowseButton_clicked()
{
    QString documents = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
    QString filename = QFileDialog::getOpenFileName(
            this,tr("Select output file"),tr("Text files (*.txt);;All files (*)"));
    if (filename.size() == 0)
        return;
    else
        ui->inputEdit->setText(filename);
}

请原谅我的英语,并提前感谢你.