qtmqtt deployment failed

1. Compiling Mqtt directly will report an error fatal error: QtMqtt/qmqttglobal.h
No such file or directory

2. Copy xxx\qtmqtt-5.14.2\src\mqtt to D:\Qt5.14.2\5.14.2\mingw73_32\include\QtMqtt compile and compile again, although it passes: \mqtt5.14\build-qtmqtt-Desktop_Qt_5_14_1_MinGW_32_bit-Release\ There is only one QtMqttDepends file under include\QtMqtt

3.Copy the compiled bin file lib file moudle file to the Qt installation directory

4.Create a new project and add Qt+=mqtt network to the .pro file, and then add <QtMqtt/QtMqtt> to the cpp file, and the program fails to compile, prompting E:\Mark1\Link With Ali\Qt Porg\untitled\mainwindow.h:5: error :'QtMqtt/QtMqtt' file not found

5.Refer to this link: https://www.pianshen.com/article/74801067784/ for the operation