diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index e042320..59b27ea 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -2182,59 +2182,59 @@ int hg_scanner::setting_fold_type(void* data)
 }
 int hg_scanner::on_color_mode_changed(int& color_mode)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_paper_changed(int& paper)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_paper_check_changed(bool& check)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_resolution_changed(int& dpi)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_ultrasonic_check_changed(bool& check)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_staple_check_changed(bool& check)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_skew_check_changed(bool& check)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_skew_check_level_changed(int& check)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_set_feedmode(int feedmode)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_get_feedmode(int &feedmode)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_pic_type(bool& pic)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_pick_paper(bool autostrength)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_pick_paper_threshold(double threshold)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_is_auto_paper(bool isautopaper)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 void hg_scanner::on_device_reconnected(void)
 {
@@ -2244,11 +2244,11 @@ void hg_scanner::on_device_reconnected(void)
 }
 int hg_scanner::set_setting_value(const char* name, void* data, int len)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner::on_scanner_closing(bool force)
 {
-	return SCANNER_ERR_OK;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 
 void hg_scanner::thread_handle_usb_read(void)
@@ -3345,6 +3345,18 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 		(*(int*)data) = num;
 		return ret;
 	}
+	else if (code == IO_CTRL_CODE_SET_FEEDMODE)
+	{
+		return  on_set_feedmode(*((int*)data));
+	}
+	else if (code == IO_CTRL_CODE_SET_SKEW_CHECK)
+	{
+		return  on_skew_check_changed(*((bool*)data));
+	}
+	else if (code == IO_CTRL_CODE_SET_SKEW_CHECK_VAL)
+	{
+		return  on_skew_check_level_changed(*((int*)data));
+	}
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 std::string hg_scanner::get_firmware_version(void)