diff --git a/app/scanner2/mainwindow.cpp b/app/scanner2/mainwindow.cpp
index 0ebe1407..1caf858d 100644
--- a/app/scanner2/mainwindow.cpp
+++ b/app/scanner2/mainwindow.cpp
@@ -1384,13 +1384,12 @@ void MainWindow::on_scanFinishEvent()
             if (ScanType_SingleScanToCache == m_scanType)
                 ret = m_devUser->StartSingleScan();
             else
-            {
                 ret = m_devUser->StartScan();
-                if (HGBASE_ERR_OK != ret)
-                {
-                    on_scanFinishEvent();
-                }
-            }  
+
+            if (HGBASE_ERR_OK != ret)
+            {
+                on_scanFinishEvent();
+            }
         }
     }
     else
@@ -3421,6 +3420,11 @@ void MainWindow::on_act_acquireSingle_triggered()
     if (nullptr != m_devUser)
     {
         ret = m_devUser->StartSingleScan();
+
+        if (HGBASE_ERR_OK != ret)
+        {
+            on_scanFinishEvent();
+        }
     }
 }