diff --git a/doc/scanner/HuaGoScan_scanSettings_Help_manual.pdf b/doc/scanner/HuaGoScan_scanSettings_Help_manual.pdf
index 6cf537f9..1cbcf339 100644
Binary files a/doc/scanner/HuaGoScan_scanSettings_Help_manual.pdf and b/doc/scanner/HuaGoScan_scanSettings_Help_manual.pdf differ
diff --git a/modules/twainui/hg_settingdialog.cpp b/modules/twainui/hg_settingdialog.cpp
index 1fc6c788..78f5fa4b 100644
--- a/modules/twainui/hg_settingdialog.cpp
+++ b/modules/twainui/hg_settingdialog.cpp
@@ -83,8 +83,7 @@ hg_settingdialog::hg_settingdialog(class Manager *mgr, SANE_Handle handle, const
     m_originGammaData = m_gammaData;
 
     connect(comb_, SIGNAL(currentTextChanged(const QString)), this, SLOT(on_current_scheme_changed())); 
-    connect(this, SIGNAL(scan_start()),this, SLOT(on_scan_start()), Qt::QueuedConnection);
-    connect(this, SIGNAL(scan_finish()), this, SLOT(on_scan_finish()), Qt::QueuedConnection);
+    connect(this, SIGNAL(scan_status(QString,bool)),this, SLOT(on_scan_status(QString, bool)), Qt::QueuedConnection);
 
     *notify = FuncNotify;
 }
@@ -191,13 +190,24 @@ void hg_settingdialog::FuncNotify(int event, void* msg, int flag)
     {
     case SANE_EVENT_WORKING:
     {
-        emit p->scan_start();
+        QString finishInfo;
+        if (0 != flag)
+        {
+            finishInfo = (char*)msg;
+        }
+
+        emit p->scan_status(finishInfo, true);
     }
     break;
 
     case SANE_EVENT_SCAN_FINISHED:
     {
-        emit p->scan_finish();
+        QString finishInfo;
+        if (0 != flag)
+        {
+            finishInfo = (char*)msg;
+        }
+        emit p->scan_status(finishInfo, false);
     }
     break;
     }
@@ -1200,18 +1210,16 @@ void hg_settingdialog::updateUIStatus()
     }
 }
 
-void hg_settingdialog::on_scan_start()
+void hg_settingdialog::on_scan_status(QString info, bool status)
 {
-    m_isScanning = true;
-    this->setEnabled(false);
-    setAttribute(Qt::WA_DeleteOnClose, false);
-}
-
-void hg_settingdialog::on_scan_finish()
-{
-    m_isScanning = false;
-    this->setEnabled(true);
-    setAttribute(Qt::WA_DeleteOnClose, true);
+    if (!info.isEmpty())
+    {
+        QMessageBox::information(this, tr("Prompt"), info);
+    }
+        
+    m_isScanning = status;
+    this->setEnabled(!status);
+    setAttribute(Qt::WA_DeleteOnClose, !status);
 }
 
 void hg_settingdialog::slot_checkedClicked()
diff --git a/modules/twainui/hg_settingdialog.h b/modules/twainui/hg_settingdialog.h
index 507f84c2..b70de800 100644
--- a/modules/twainui/hg_settingdialog.h
+++ b/modules/twainui/hg_settingdialog.h
@@ -137,12 +137,10 @@ private:
     QVector<QWidget*> m_list_widgets;
 
 signals:
-    void scan_start();
-    void scan_finish();
+    void scan_status(QString info, bool status);
 
 private slots:
-    void on_scan_start();
-    void on_scan_finish();
+    void on_scan_status(QString info, bool status);
 
 private slots:
     void slot_checkedClicked();