diff --git a/build2/qt/HGFWUpgrade/HGFWUpgrade.pro b/build2/qt/HGFWUpgrade/HGFWUpgrade.pro
index c8de3148..49b10e5b 100644
--- a/build2/qt/HGFWUpgrade/HGFWUpgrade.pro
+++ b/build2/qt/HGFWUpgrade/HGFWUpgrade.pro
@@ -54,7 +54,7 @@ win32 {
     LIBS += -lgdi32 -lgdiplus -ldbghelp -luser32 -ladvapi32
     LIBS += -L$$PWD/../../build/$${MY_OS}/$${OEM_NAME}/$${MY_ARCH}/$${MY_CONFIGURE} -l$${OEM_PREFIX}Base -l$${OEM_PREFIX}ImgFmt \
         -l$${OEM_PREFIX}ImgProc -l$${OEM_PREFIX}Version
-    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsane
+    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsanexy
 
     # sane.dll
     LIBS += -L$$PWD/../../../../release/win/$${MY_ARCH}/OEM/$${OEM_NAME}
diff --git a/build2/qt/HGScannerLib/HGScannerLib.pro b/build2/qt/HGScannerLib/HGScannerLib.pro
index f5957be0..4324056c 100644
--- a/build2/qt/HGScannerLib/HGScannerLib.pro
+++ b/build2/qt/HGScannerLib/HGScannerLib.pro
@@ -53,7 +53,7 @@ win32 {
     DEF_FILE = HGScannerLib.def
     LIBS += -lgdi32 -lgdiplus -ldbghelp
     LIBS += -L$$PWD/../../build/$${MY_OS}/$${OEM_NAME}/$${MY_ARCH}/$${MY_CONFIGURE} -l$${OEM_PREFIX}Base -l$${OEM_PREFIX}ImgFmt -l$${OEM_PREFIX}ImgProc
-    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsane
+    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsanexy
 }
 
 unix {
diff --git a/build2/qt/HGWebService/HGWebService.pro b/build2/qt/HGWebService/HGWebService.pro
index 01ce8c5e..a99c3a30 100644
--- a/build2/qt/HGWebService/HGWebService.pro
+++ b/build2/qt/HGWebService/HGWebService.pro
@@ -60,7 +60,7 @@ win32 {
 
     LIBS += -lgdi32 -lgdiplus -ldbghelp -lws2_32 -lShell32 -lUser32 -lwldap32 -lAdvapi32
     LIBS += -L$$PWD/../../build/$${MY_OS}/$${OEM_NAME}/$${MY_ARCH}/$${MY_CONFIGURE} -l$${OEM_PREFIX}Base -l$${OEM_PREFIX}ImgFmt -l$${OEM_PREFIX}ImgProc
-    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsane
+    LIBS += -L$$PWD/../../../../sdk/lib/win/$${MY_ARCH}/OEM/$${OEM_NAME} -lsanexy
     INCLUDEPATH += $$PWD/../../../third_party/libzip/$${MY_OS}/include
     INCLUDEPATH += $$PWD/../../../third_party/libcurl/$${MY_OS}/include
     LIBS += $$PWD/../../../third_party/zlib/$${MY_OS}/lib/$${MY_ARCH}/zlib.lib
diff --git a/modules/twainui/Manager.cpp b/modules/twainui/Manager.cpp
index d3ea3c04..3af550f3 100644
--- a/modules/twainui/Manager.cpp
+++ b/modules/twainui/Manager.cpp
@@ -337,8 +337,9 @@ void Manager::on_createSettingUi(bool qt)
         m_settingUiCallback(r);
     };
 
-    if (m_settingUi == nullptr)
-        m_settingUi = new hg_settingdialog(this, m_device, &m_api, m_with_scan, m_devName.c_str(), scanner_cfg_, close_prog, qParent);
+    if (m_settingUi != nullptr)
+        delete m_settingUi;
+    m_settingUi = new hg_settingdialog(this, m_device, &m_api, m_with_scan, m_devName.c_str(), scanner_cfg_, close_prog, qParent);
     m_settingUi->setModal(true);
     m_settingUi->show();
 }
@@ -367,8 +368,9 @@ void Manager::on_createProgressUi(bool qt)
         if(r == UI_RESULT_CLOSE_NORMAL)
             m_progressUiCallback = std::function<void(ui_result)>();
     };
-    if (m_progressUi == nullptr)
-        m_progressUi = new Dialog_progress_ui(this, close_prog, m_notify, qParent);
+    if (m_progressUi != nullptr)
+        delete m_progressUi;
+    m_progressUi = new Dialog_progress_ui(this, close_prog, m_notify, qParent);
     m_progressUi->setModal(true);
     m_progressUi->show();
 #ifdef HG_CMP_MSC
diff --git a/modules/twainui/dialog_progress_ui.cpp b/modules/twainui/dialog_progress_ui.cpp
index 0f451b7b..3f7178bb 100644
--- a/modules/twainui/dialog_progress_ui.cpp
+++ b/modules/twainui/dialog_progress_ui.cpp
@@ -18,6 +18,7 @@ Dialog_progress_ui::Dialog_progress_ui(class Manager *mgr, std::function<void (u
 {
     ui->setupUi(this);
 
+    setAttribute(Qt::WA_DeleteOnClose, true);
 #if defined(HG_CMP_MSC)
     setWindowFlags(Qt::SubWindow | Qt::Popup | Qt::WindowStaysOnTopHint);
 #else