diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index 7207870..9d9cdc7 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -591,6 +591,9 @@ bool scanner::is_belong_serial(int vid, int pid, SCANNERID serial)
 	}
 	else if (vid == PRODUCT_VENDOR_LSC)
 	{
+#if defined (LISICHENG_SPECIAL)
+		return GET_SCANNER_VID(serial) == vid && GET_SCANNER_PID(serial) == pid;
+#else
 		if (GET_SCANNER_VID(serial) == PRODUCT_VENDOR_LSC)
 		{
 			if (GET_SCANNER_PID(serial) == 0x8420)
@@ -610,6 +613,8 @@ bool scanner::is_belong_serial(int vid, int pid, SCANNERID serial)
 				return pid == 0x8730 || pid == 0x8739;
 			}
 		}
+#endif
+
 		return false;
 	}
 	else if (vid == PRODUCT_VENDOR_DL)
diff --git a/sln/Release/hgsetver.exe b/sln/Release/hgsetver.exe
index b4d92b6..dc033d5 100644
Binary files a/sln/Release/hgsetver.exe and b/sln/Release/hgsetver.exe differ
diff --git a/sln/hgsetver/hgsetver.cpp b/sln/hgsetver/hgsetver.cpp
index 8d68f93..e3a832e 100644
--- a/sln/hgsetver/hgsetver.cpp
+++ b/sln/hgsetver/hgsetver.cpp
@@ -21,6 +21,7 @@ enum oem
     OEM_NEUTRAL,
     OEM_DELI
 };
+//#define LISICHENG_SPECIAL
 #define GET_ENUM_NAME_W(e, v)    \
     if(e == v)  return L###e;
 #define GET_ENUM_VALUE_W(e, v)    \