diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index 3896a066..9ea49107 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -3467,50 +3467,50 @@ void MainWindow::on_act_about_triggered()
         QString appLang = getCfgValue("global", "language", QString("chinese"));
         if (appLang == "chinese")
         {
-            content += tr("<p>Vendor: %1</p>").arg(QString::fromLocal8Bit(COMPANY_NAME));
-            content += tr("<p>Company address: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_ADDRESS));
-            content += tr("<p>Company telephone: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_TEL));
-            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_URL));
-            content += tr("<p>Copyright: %1</p>").arg(QString::fromLocal8Bit(BRAND_COPYRIGHT));
+            content += tr("<p>Vendor: %1</p>").arg(QString::fromStdWString(COMPANY_NAME));
+            content += tr("<p>Company address: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_ADDRESS));
+            content += tr("<p>Company telephone: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_TEL));
+            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromStdWString(BRAND_COMPANY_URL));
+            content += tr("<p>Copyright: %1</p>").arg(QString::fromStdWString(BRAND_COPYRIGHT));
         }
         else if(appLang == "english")
         {
-            content += tr("<p>Vendor: %1</p>").arg(QString::fromLocal8Bit(COMPANY_NAME_EN));
-            content += tr("<p>Company address: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_ADDRESS_EN));
-            content += tr("<p>Company telephone: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_TEL_EN));
-            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_URL_EN));
-            content += tr("<p>Copyright: %1</p>").arg(QString::fromLocal8Bit(BRAND_COPYRIGHT_EN));
+            content += tr("<p>Vendor: %1</p>").arg(QString::fromStdWString(COMPANY_NAME_EN));
+            content += tr("<p>Company address: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_ADDRESS_EN));
+            content += tr("<p>Company telephone: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_TEL_EN));
+            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromStdWString(BRAND_COMPANY_URL_EN));
+            content += tr("<p>Copyright: %1</p>").arg(QString::fromStdWString(BRAND_COPYRIGHT_EN));
         }
          else if (appLang == "chinese-trad")
         {
-            content += tr("<p>Vendor: %1</p>").arg(QString::fromLocal8Bit(COMPANY_NAME_TRADCN));
-            content += tr("<p>Company address: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_ADDRESS_TRADCN));
-            content += tr("<p>Company telephone: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_TEL_TRADCN));
-            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_URL_EN));
-            content += tr("<p>Copyright: %1</p>").arg(QString::fromLocal8Bit(BRAND_COPYRIGHT_TRADCN));
+            content += tr("<p>Vendor: %1</p>").arg(QString::fromStdWString(COMPANY_NAME_TRADCN));
+            content += tr("<p>Company address: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_ADDRESS_TRADCN));
+            content += tr("<p>Company telephone: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_TEL_TRADCN));
+            content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromStdWString(BRAND_COMPANY_URL_EN));
+            content += tr("<p>Copyright: %1</p>").arg(QString::fromStdWString(BRAND_COPYRIGHT_TRADCN));
         }
     #else
-        content += tr("<p>Vendor: %1</p>").arg(QString::fromLocal8Bit(COMPANY_NAME));
-        content += tr("<p>Copyright: %1</p>").arg(QString::fromLocal8Bit(BRAND_COPYRIGHT));
-        content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_URL));
-        content += tr("<p>Company address: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_ADDRESS));
+        content += tr("<p>Vendor: %1</p>").arg(QString::fromStdWString(COMPANY_NAME));
+        content += tr("<p>Copyright: %1</p>").arg(QString::fromStdWString(BRAND_COPYRIGHT));
+        content += tr("<p>Company website: <a href=\"%1\">%1</a></p>").arg(QString::fromStdWString(BRAND_COMPANY_URL));
+        content += tr("<p>Company address: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_ADDRESS));
     #endif
 
     #if defined (OEM_DELI)
-        content += tr("<p>After-sale telephone: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_TEL));
+        content += tr("<p>After-sale telephone: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_TEL));
     #else
         #if !defined(OEM_ZHONGJING)
-            content += tr("<p>Company telephone: %1</p>").arg(QString::fromLocal8Bit(BRAND_COMPANY_TEL));
+            content += tr("<p>Company telephone: %1</p>").arg(QString::fromStdWString(BRAND_COMPANY_TEL));
         #endif
     #endif
 
     #if defined (OEM_ZHONGJING)
         if (appLang == "chinese-trad" || appLang == "english")
-            content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromLocal8Bit(BRAND_URL_GPS_TRADCN)).arg(tr("Baidu map access"));
+            content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromStdWString(BRAND_URL_GPS_TRADCN)).arg(tr("Baidu map access"));
         else
-            content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromLocal8Bit(BRAND_URL_GPS)).arg(tr("Baidu map access"));
+            content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromStdWString(BRAND_URL_GPS)).arg(tr("Baidu map access"));
     #else
-        content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromLocal8Bit(BRAND_URL_GPS)).arg(tr("Baidu map access"));
+        content += tr("<p>Company GPS: <a href=\"%1\">%2</a></p>").arg(QString::fromStdWString(BRAND_URL_GPS)).arg(tr("Baidu map access"));
     #endif
 
     QMessageBox::about(this, title, content);
diff --git a/app/twaintest/mainwindow.cpp b/app/twaintest/mainwindow.cpp
index 86d08ede..05e9ec07 100644
--- a/app/twaintest/mainwindow.cpp
+++ b/app/twaintest/mainwindow.cpp
@@ -471,23 +471,23 @@ HGCapValue MainWindow::getHGCapValue()
     }
     else if (capType == "TWTY_STR32")
     {
-        value.type = HGCAPVALUE_TYPE_BYTE;
-        strcpy(value.valueStr32, ui->lineEdit_setCapContent->text().toStdString().c_str());
+        value.type = HGCAPVALUE_TYPE_STR32;
+        strcpy(value.valueStr32, ui->lineEdit_setCapContent->text().toLocal8Bit().toStdString().c_str());
     }
     else if (capType == "TWTY_STR64")
     {
-        value.type = HGCAPVALUE_TYPE_BYTE;
-        strcpy(value.valueStr64, ui->lineEdit_setCapContent->text().toStdString().c_str());
+        value.type = HGCAPVALUE_TYPE_STR64;
+        strcpy(value.valueStr64, ui->lineEdit_setCapContent->text().toLocal8Bit().toStdString().c_str());
     }
     else if (capType == "TWTY_STR128")
     {
-        value.type = HGCAPVALUE_TYPE_BYTE;
-        strcpy(value.valueStr128, ui->lineEdit_setCapContent->text().toStdString().c_str());
+        value.type = HGCAPVALUE_TYPE_STR128;
+        strcpy(value.valueStr128, ui->lineEdit_setCapContent->text().toLocal8Bit().toStdString().c_str());
     }
     else if (capType == "TWTY_STR255")
     {
-        value.type = HGCAPVALUE_TYPE_BYTE;
-        strcpy(value.valueStr255, ui->lineEdit_setCapContent->text().toStdString().c_str());
+        value.type = HGCAPVALUE_TYPE_STR255;
+        strcpy(value.valueStr255, ui->lineEdit_setCapContent->text().toLocal8Bit().toStdString().c_str());
     }
 
     return value;