MSVC2017 kit, could not find <QApplication> in debug mode, but profile and release are OK?

[Jerry.Wilson]

Hi, everyone.
I'm a newbie , Installed QT 5.11, QT Creator 4.7.0. Then I tried to write a HelloWorld，kit MinGW works fine, then I switched to MSVC2017 kit, in debug mode it shows "<QApplication>: No such file or directory", but when I changed it to profile mode or release mode, It worked fine , so what happened?

pro file:
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
QT += core gui widgets

SOURCES +=
main.cpp

and the main.cpp file:
#include <QApplication>
#include <QDialog>
#include <QLabel>

int main(int argc, char *argv[])
{
QApplication app(argc,argv);
QDialog w;
QLabel label(&w);
label.setText("1");
w.show();
return app.exec();
}

[jsulm]

@Jerry.Wilson You didn't mention whether you installed Qt for MSVC2017, did you? After switching to a different Kit you should do a complete rebuild (in case of errors delete the build directory, run qmake and build).

[Jerry.Wilson]

@jsulm Thank you for replying, I installed QT for MSVC2017, and I did "Clean all" then rebuilt the project after switched to MSVC2017 kit that time.

But just a moment ago after lunch I restart the QT Creator. the problem disappeared just like it never happened...

Thanks again and sorry for my poor English.

[jsulm]

@Jerry.Wilson Strange, don't know what it was, bud glad it works now!

[Jerry.Wilson]

@jsulm Maybe the Creator was hungry ...：:P