diff --git a/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp b/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
index 7f945fd3..aa8e1cc0 100644
--- a/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
+++ b/sdk/oldwebscan/hgscannersdk/HG_SCANNER_API.cpp
@@ -20,7 +20,7 @@ HG_SCANPARAMS	m_params;
 std::string		img_type_ = ".jpg";
 void* m_obj_usb = nullptr;
 void* m_obj_img = nullptr;
-static const char* SDKVersion = "4.39.03.02";
+static const char* SDKVersion = "4.52.11.21";
 char deviceList[60];
 unsigned int compression_data = 80;
 HG_OnDevice_Event_Callback	m_callback_OnDevcie_Event = nullptr;
@@ -668,7 +668,11 @@ int SetDeviceParam(HG_Scanner_Handle pScanner)
 		enumValue = HGLIB_OPTION_ENUMVALUE_ZZCC_ZDSMCC;
 		HGLib_SetDeviceParam((HGLibDevice)pScanner, HGLIB_OPTION_NAME_ZZCC, &enumValue);
 	}
-	
+	else if (m_params.PaperSize == HG_None)
+	{
+		enumValue = HGLIB_OPTION_ENUMVALUE_ZZCC_PPYSCC;
+		HGLib_SetDeviceParam((HGLibDevice)pScanner, HGLIB_OPTION_NAME_ZZCC, &enumValue);
+	}
 	if (m_params.ScanSide.DiscardBlank == 1)
 	{
 		enumValue = HGLIB_OPTION_ENUMVALUE_SMYM_TGKBYTY;
diff --git a/sdk/oldwebscan/sln/libwebscan_jni/libwebscan_jni.vcxproj b/sdk/oldwebscan/sln/libwebscan_jni/libwebscan_jni.vcxproj
index ad950090..b92855fd 100644
--- a/sdk/oldwebscan/sln/libwebscan_jni/libwebscan_jni.vcxproj
+++ b/sdk/oldwebscan/sln/libwebscan_jni/libwebscan_jni.vcxproj
@@ -28,22 +28,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v143</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">