diff --git a/win/setup/scanner/NeuScan2_App_Setup.iss b/win/setup/scanner/NeuScan2_App_Setup.iss
index 930c316..1e6ec7c 100644
--- a/win/setup/scanner/NeuScan2_App_Setup.iss
+++ b/win/setup/scanner/NeuScan2_App_Setup.iss
@@ -160,8 +160,8 @@ Source: "..\..\x64\OEM\neutral\neutwain300.ds"; DestDir: "{win}\twain_64\NeuTwai
 Source: "..\..\x64\OEM\neutral\neutwain400.ds"; DestDir: "{win}\twain_64\NeuTwain\"; Flags: ignoreversion;  Components: TwainG400;  Check: Is64BitInstallMode
 
 ;��������
-Source: "..\..\usb\huagao\huagaousb.inf"; DestDir: "{app}\driver\";  Flags: ignoreversion recursesubdirs;
-Source: "..\..\usb\huagao\huagaousb.cat"; DestDir: "{app}\driver\";  Flags: ignoreversion recursesubdirs;
+Source: "..\..\usb\huagao\hgscannerusball.inf"; DestDir: "{app}\driver\";  Flags: ignoreversion recursesubdirs;
+Source: "..\..\usb\huagao\hgscannerusball.cat"; DestDir: "{app}\driver\";  Flags: ignoreversion recursesubdirs;
 Source: "..\..\x86\Release\DPInst32.exe"; DestDir: "{app}\";  Flags: ignoreversion recursesubdirs;  Check: not IsWin64
 Source: "..\..\x64\Release\DPInst64.exe"; DestDir: "{app}\";  Flags: ignoreversion recursesubdirs;  Check: IsWin64
 
diff --git a/win/setup/scanner/Readme.txt b/win/setup/scanner/Readme.txt
index 48a606e..a6312e5 100644
--- a/win/setup/scanner/Readme.txt
+++ b/win/setup/scanner/Readme.txt
@@ -1,3 +1,8 @@
+V4.51.23256
+1、得力屏蔽跳过空白（发票纸）；
+2、解决300设备不休眠下发异常的问题；
+3、更新得力帮助文档；
+
 V4.51.23252
 1、解决紫光版本关于界面不显示设备型号的问题；
 2、解决G400安卓设置界面默认勾选跳过空白页的问题；