update

src/app_link_qqt_library.pri

@@ -49,6 +49,7 @@ isEmpty(QKIT_PRIVATE) {
 contains (CONFIG, QQT_SOURCE_BUILDIN) {
     #if you want to build src but not link QQt lib in your project
     #if you don't want to modify Qt Creator's default build directory, this maybe a choice.
+    #notice: msvc, DLL_IMPORT macro is no problem to use in app + lib source?
     include($${QQT_SOURCE_ROOT}/qqt_source.pri)
 } else {
     #if you want to link QQt library

src/qqt_header.pri

@@ -75,6 +75,7 @@ contains(QKIT_PRIVATE, WIN32|WIN64 || iOS|iOSSimulator) {
         DEFINES += QT_QTSOAP_STATIC_LIBRARY
         DEFINES += BUILD_QDEVICEWATCHER_STATIC
         DEFINES += QT_QTMMLWIDGET_STATIC_LIBRARY
+        DEFINES += QT_GUMBO_STATIC_LIBRARY
     }
 }