diff --git a/app/fwupgrade/mainwindow.cpp b/app/fwupgrade/mainwindow.cpp
index 47df9b61..7b606d75 100644
--- a/app/fwupgrade/mainwindow.cpp
+++ b/app/fwupgrade/mainwindow.cpp
@@ -9,6 +9,7 @@
 #include "dialog_upgradefirmware.h"
 #include "dialog_updateprogress.h"
 #include "base/HGBase.h"
+#include "HGString.h"
 
 #define PASSWORD_KEY 4
 
@@ -475,7 +476,7 @@ void MainWindow::on_btnDownloadUpgrade_clicked()
 
 void MainWindow::on_btnUpgrade_clicked()
 {
-    std::string filePath = ui->editFilePath->text().toStdString();
+    std::string filePath = Utf8ToStdString(ui->editFilePath->text().toStdString());
     if (!filePath.empty())
     {
         Dialog_upgradeFirmware dlg(m_curDevHandle, filePath, this);
diff --git a/build-qt/HGSolution/HGFWUpgrade/HGFWUpgrade.pro b/build-qt/HGSolution/HGFWUpgrade/HGFWUpgrade.pro
index 415235f1..79d95534 100644
--- a/build-qt/HGSolution/HGFWUpgrade/HGFWUpgrade.pro
+++ b/build-qt/HGSolution/HGFWUpgrade/HGFWUpgrade.pro
@@ -141,6 +141,7 @@ unix {
 
 INCLUDEPATH += $$PWD/../../../app/fwupgrade/
 INCLUDEPATH += $$PWD/../../../modules/
+INCLUDEPATH += $$PWD/../../../utility/
 INCLUDEPATH += $$PWD/../../../../sdk/include/
 
 SOURCES += \
@@ -149,12 +150,14 @@ SOURCES += \
     ../../../app/fwupgrade/logindialog.cpp \
     ../../../app/fwupgrade/main.cpp \
     ../../../app/fwupgrade/mainwindow.cpp \
+    ../../../utility/HGString.cpp \
 
 HEADERS += \
     ../../../app/fwupgrade/dialog_updateprogress.h \
     ../../../app/fwupgrade/dialog_upgradefirmware.h \
     ../../../app/fwupgrade/logindialog.h \
     ../../../app/fwupgrade/mainwindow.h \
+    ../../../utility/HGString.h \
 
 FORMS += \
     ../../../app/fwupgrade/dialog_updateprogress.ui \