diff --git a/app/scanner/mainwindow.cpp b/app/scanner/mainwindow.cpp
index e7610a5f..d37da013 100644
--- a/app/scanner/mainwindow.cpp
+++ b/app/scanner/mainwindow.cpp
@@ -37,7 +37,7 @@
 #include "imgproc/HGOCR.h"
 #include "base/HGUtility.h"
 #include "HGUIGlobal.h"
-#include "../../utility/HGString.h"
+#include "HGString.h"
 #include "app_cfg.h"
 
 #define PASSWORD_KEY 4
@@ -2284,9 +2284,9 @@ void MainWindow::on_act_help_triggered()
 #endif
 #else
 #if defined(OEM_HANWANG)
-    QString filename = "/opt/apps/com.hanvonchina.huagoscan/entries/help/HanvonScan_App_Help_manual.pdf";
+    QString filename = "/opt/apps/com.hanvonchina.hanvonscan/entries/help/HanvonScan_App_Help_manual.pdf";
 #elif defined(OEM_LISICHENG)
-    QString filename = "/opt/apps/com.lanxumchina.huagoscan/entries/help/Lanxum_App_Help_manual.pdf";
+    QString filename = "/opt/apps/com.lanxumchina.lanxumscan/entries/help/Lanxum_App_Help_manual.pdf";
 #else
     QString filename = "/opt/apps/com.huagaochina.huagoscan/entries/help/HuaGoScan_App_Help_manual.pdf";
 #endif