diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 56e5df4..619174d 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -300,7 +300,7 @@ int hg_scanner_300::start(void)
 	{
 		return ret;
 	}
-	printf_devconfig();
+	//printf_devconfig();
 	USBCB usb = { setting3288dsp::START_COMMAND, img_conf_.scannum, 0};
 	ret = writeusb(usb);
 	//io_->set_timeout(500);
@@ -382,12 +382,10 @@ int hg_scanner_300::get_scanner_status(USBCB &usb)
 	int 		ret = SCANNER_ERR_OK;
 
 	usb = { setting3288dsp::GET_DSP_STATUS, 0, 0};
-	io_->set_timeout(500); //必要延时，且不能小于这个数值
+
 	ret = writeusb(usb);
 	if (ret != SCANNER_ERR_OK)
 		return ret;
-	
-	io_->set_timeout(500); //必要延时，且不能小于这个数值
 
 	ret = readusb(usb);
 	
@@ -501,7 +499,10 @@ int hg_scanner_300::writedown_device_configuration(bool type,setting_hardware::H
 	USBCB usbcb = { setting3288dsp::CONFIGURED_DATA, d->value, 0};
 	len = sizeof(USBCB);
 	ret = io_->write_bulk(&usbcb,&len);
-	
+	if (type)
+	{
+		printf_devconfig(d);
+	}
 	VLOG_MINI_1(LOG_LEVEL_WARNING, "writedown_device_configuration is .(%s)\n", hg_scanner_err_name(ret));
 
 	return ret;
@@ -545,7 +546,7 @@ int hg_scanner_300::on_paper_changed(int& paper)
 }
 int hg_scanner_300::on_paper_check_changed(bool& check)
 {
-	if (!is_kernelsnap3288_230210_)
+	if (!is_kernelsnap3288_230210_ && check)
 	{
 		check = false;
 		notify_ui_working_status(hg_log::lang_load(ID_STATU_DESC_SCANNER_ERR_DEVICE_NOT_SUPPORT), SANE_EVENT_ERROR, status_);