先执行release
然后在release文件夹中，打开QT 5.12.1(mingw)
输入windeployqt.exe + 待生成的应用
C:\Qt\5.15.1\mingw81_32>windeployqt.exe C:\QTdaily\SakuraAssistant-windows\src\build-sakuraassistant-Desktop_Qt_5_15_1_MinGW_32_bit-Release\release\sakuraassistant.exe
即可生成依赖包