diff --git a/HuaGoCorrect/A4.cpp b/HuaGoCorrect/A4.cpp
index e682202..bb4fb7a 100644
--- a/HuaGoCorrect/A4.cpp
+++ b/HuaGoCorrect/A4.cpp
@@ -72,6 +72,9 @@ BEGIN_MESSAGE_MAP(CA4, CDialog)
 	ON_BN_CLICKED(IDC_BTNBUP, &CA4::OnBnClickedBtnbup)
 	ON_BN_CLICKED(IDC_BTNBDOWN, &CA4::OnBnClickedBtnbdown)
 	ON_BN_CLICKED(IDC_BTNGET_MB_VERSION, &CA4::OnBnClickedBtngetMbVersion)
+//	ON_BN_CLICKED(IDC_BTGETROLLERNUM, &CA4::OnBnClickedBtgetrollernum)
+	ON_BN_CLICKED(IDC_BTCLRROLLERNUM, &CA4::OnBnClickedBtclrrollernum)
+	ON_BN_CLICKED(IDC_BTGETROLLERNUM, &CA4::OnBnClickedBtgetrollernum)
 END_MESSAGE_MAP()
 
 
@@ -502,3 +505,29 @@ void CA4::UpdateVidPid(VIDPID vidpid)
 		MessageBox(L"错误的VID PID", L"提示", MB_OK);
 	}
 }
+
+
+void CA4::OnBnClickedBtgetrollernum()
+{
+	// TODO: 在此添加控件通知处理程序代码
+	auto parent = (CHuaGoCorrectDlg*)GetParent();
+	if (parent->m_drv.get() && parent->m_drv->IsConnected()) {
+		int num = parent->m_drv->GetRollerNum();
+		CString vs(std::to_string(num).c_str());
+		SetDlgItemText(IDC_tbxRollerNum, vs);
+	}
+}
+
+
+void CA4::OnBnClickedBtclrrollernum()
+{
+	// TODO: 在此添加控件通知处理程序代码
+	auto parent = (CHuaGoCorrectDlg*)GetParent();
+	if (parent->m_drv.get() && parent->m_drv->IsConnected()) {
+		parent->m_drv->ClrRollerNum();
+		int num = parent->m_drv->GetRollerNum();
+		CString vs(std::to_string(num).c_str());
+		SetDlgItemText(IDC_tbxRollerNum, vs);
+	}
+}
+
diff --git a/HuaGoCorrect/A4.h b/HuaGoCorrect/A4.h
index 57eeec5..a4b233e 100644
--- a/HuaGoCorrect/A4.h
+++ b/HuaGoCorrect/A4.h
@@ -86,4 +86,7 @@ public:
 	afx_msg void OnBnClickedBtngetMbVersion();
 	int AqrVIDPID();
 	void UpdateVidPid(VIDPID vidpid);
+//	afx_msg void OnBnClickedBtgetrollernum();
+	afx_msg void OnBnClickedBtclrrollernum();
+	afx_msg void OnBnClickedBtgetrollernum();
 };
diff --git a/HuaGoCorrect/HuaGoCorrect.aps b/HuaGoCorrect/HuaGoCorrect.aps
index 767d48e..b1f6a47 100644
Binary files a/HuaGoCorrect/HuaGoCorrect.aps and b/HuaGoCorrect/HuaGoCorrect.aps differ
diff --git a/HuaGoCorrect/HuaGoCorrect.rc b/HuaGoCorrect/HuaGoCorrect.rc
index 2879126..3c9ce5e 100644
Binary files a/HuaGoCorrect/HuaGoCorrect.rc and b/HuaGoCorrect/HuaGoCorrect.rc differ
diff --git a/HuaGoCorrect/IScanner.h b/HuaGoCorrect/IScanner.h
index 9dbd39d..3eb939a 100644
--- a/HuaGoCorrect/IScanner.h
+++ b/HuaGoCorrect/IScanner.h
@@ -33,6 +33,7 @@ public:
 	virtual void run() = 0;
 	virtual void ActiveteUSB() = 0;
 	virtual int GetScanNum() = 0;
+	virtual int GetRollerNum() = 0;
 	virtual void ClrRollerNum() = 0;
 	virtual void ClrScanNum() = 0;
 	virtual void SendFlatData(CorrectParam param, int index) = 0;
diff --git a/HuaGoCorrect/Resource.h b/HuaGoCorrect/Resource.h
index d1cbf59..6c2073a 100644
Binary files a/HuaGoCorrect/Resource.h and b/HuaGoCorrect/Resource.h differ
diff --git a/HuaGoCorrect/commondef.h b/HuaGoCorrect/commondef.h
index fc65d6e..ded5207 100644
--- a/HuaGoCorrect/commondef.h
+++ b/HuaGoCorrect/commondef.h
@@ -322,6 +322,10 @@ enum Scanner_Reg_Defs
 	SR_GET_PAPERON,
 	SR_SET_SPEEDMODE,
 	SR_GET_SPEEDMODE,
+	SR_GET_JOSN_SIZE,
+	SR_GET_JSON,
+	SR_SET_JSON_PATH,
+	SR_SET_JSON,
 	SR_GET_CUO_ERROR = 0x50,
 	SR_GET_DOU_ERROR,
 	SR_GET_JAM_ERROR,
diff --git a/HuaGoCorrect/gscan3399.cpp b/HuaGoCorrect/gscan3399.cpp
index 2f2d7ce..a6f52b3 100644
--- a/HuaGoCorrect/gscan3399.cpp
+++ b/HuaGoCorrect/gscan3399.cpp
@@ -4,6 +4,8 @@
 #include "filetools.h"
 #include <opencv2/opencv.hpp>
 
+const std::string HG_SYSINFO_PATH = "/usr/local/huago/sysinfo.json";
+
 using namespace cv;
 static std::mutex mx_ctrl;
 
@@ -391,9 +393,15 @@ int gscan3399::GetScanNum()
 	return scanner_read_reg(m_usb, SR_SCAN_COUNT);
 }
 
+int gscan3399::GetRollerNum()
+{
+ 	uint32_t num = scanner_read_reg(m_usb, SR_GET_ROLLER_NUM);
+	return num;
+}
+
 void gscan3399::ClrRollerNum()
 {
-
+	scanner_read_reg(m_usb, SR_CLR_ROLLER_NUM);
 }
 
 void gscan3399::ClrScanNum()
@@ -546,7 +554,10 @@ void gscan3399::GetOrSetVIDPID(int& value, bool get)
 
 std::string gscan3399::GetSysInfo()
 {
-	return "Unsupported";
+	auto info = GetDeviceFile(HG_SYSINFO_PATH);
+	if(info.empty())
+		return "Unsupported";
+	return info;
 }
 
 void gscan3399::usbcallback(bool isleft, void* usrdata)
@@ -759,3 +770,23 @@ int gscan3399::codeconvter(HGEIntInfo code)
 
 	return 0;
 }
+
+std::string gscan3399::GetDeviceFile(std::string path)
+{
+	if (m_usb->is_open() && path.size() > 1)
+	{
+		scanner_write_reg(m_usb, SR_SET_JSON_PATH, path.size());
+		m_usb->write_bulk(&path[0], path.size());
+		int size = 0;
+		if (size = scanner_read_reg(m_usb, SR_GET_JOSN_SIZE))
+		{
+			std::string buff;
+			buff.resize(size);
+			scanner_write_reg(m_usb, SR_GET_JSON, size);
+			m_usb->read_bulk(&buff[0], size);
+			return buff;
+		}
+		return "";
+	}
+	return "";
+}
diff --git a/HuaGoCorrect/gscan3399.h b/HuaGoCorrect/gscan3399.h
index 859afc3..efafb26 100644
--- a/HuaGoCorrect/gscan3399.h
+++ b/HuaGoCorrect/gscan3399.h
@@ -44,6 +44,8 @@ public:
 
 	virtual int GetScanNum();
 
+	virtual int GetRollerNum();
+
 	virtual void ClrRollerNum();
 
 	virtual void ClrScanNum();
@@ -87,6 +89,7 @@ private:
 	void OnUsbHotplug(bool isleft);
 	void usb_run();
 	int codeconvter(HGEIntInfo code);
+	std::string GetDeviceFile(std::string path);
 private:
 	volatile int devState;
 	volatile int Error_Code;
diff --git a/HuaGoCorrect/gscn_drv.cpp b/HuaGoCorrect/gscn_drv.cpp
index 001d8c2..e9454fd 100644
--- a/HuaGoCorrect/gscn_drv.cpp
+++ b/HuaGoCorrect/gscn_drv.cpp
@@ -275,7 +275,7 @@ std::string GScn_Drv::GetSysInfo()
 	m_usb->read_bulk(&cmd, sizeof(cmd));
 	int len = cmd.u32_Count;
 	string str;
-	str.resize(4096);
+	str.resize(len);
 	cmd.u32_CMD = GETSYSINFO;
 	cmd.u32_Count = 0;
 	cmd.u32_Data = 0;
@@ -665,6 +665,22 @@ int GScn_Drv::GetScanNum()
 	return usbcb.u32_Data;
 }
 
+int GScn_Drv::GetRollerNum()
+{
+	std::lock_guard<std::mutex> lck(m_imgLocker);
+	USBCB usbcb = { GET_ROLLER_NUM,0,4 };
+	DWORD transfer;
+	XdPrint(L"Get GetRollerNum");
+	m_usb->write_bulk(&usbcb, sizeof(usbcb));
+
+	CString cslog;
+	cslog.Format(L"GetRollerNum Read_Data %d", usbcb.u32_Data);
+	//WriteLog(cslog);
+
+	m_usb->read_bulk(&usbcb, sizeof(usbcb));
+	return usbcb.u32_Data;
+}
+
 void GScn_Drv::ClrRollerNum()
 {
 	std::lock_guard<std::mutex> lck(m_imgLocker);
diff --git a/HuaGoCorrect/gscn_drv.h b/HuaGoCorrect/gscn_drv.h
index 7c3b390..da9cbee 100644
--- a/HuaGoCorrect/gscn_drv.h
+++ b/HuaGoCorrect/gscn_drv.h
@@ -49,6 +49,8 @@ public:
 
 	virtual int GetScanNum()override;
 
+	virtual int GetRollerNum() override;
+
 	virtual void ClrRollerNum()override;
 
 	virtual void ClrScanNum()override;