解决龙芯kylin扫描至pdf多页app保存闪退

app/scanner2/mainwindow.cpp

@@ -1022,6 +1022,8 @@ void MainWindow::on_newImage(void *image)
         {
             emit post_new_image(m_scanFileName);
         }
+
+        m_scanFileName.clear();
     }
     else if (2 == m_scanType)
     {
@@ -1196,6 +1198,8 @@ void MainWindow::on_newImage(void *image)
                 emit post_new_image(m_scanFileName);
                 ++m_aquireIntoSaveParam.m_fileNameStartIndex;
             }
+
+            m_scanFileName.clear();
         }
     }