diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 1e0a25d..1899a2a 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1323,7 +1323,7 @@ void hg_scanner_239::thread_handle_usb_read(void)
 
 int hg_scanner_239::start(void)
 {
-	StopWatch sw;
+	/*StopWatch sw;
 	while (is_read_int)
 	{
 		if (sw.elapsed_s() > 10)
@@ -1332,7 +1332,7 @@ int hg_scanner_239::start(void)
 		}
 		std::this_thread::sleep_for(std::chrono::milliseconds(1000));
 		VLOG_MINI_1(LOG_LEVEL_WARNING, "device  status is(%s)\n", STATU_DESC_SCANNER_ERR_DEVICE_DEVS_BOOTING);
-	}
+	}*/
 	bool	handled = false;
 	int		ret = try_third_app_handle_start(handled),
 			val = 0; 
@@ -1983,4 +1983,4 @@ int hg_scanner_239::set_dev_islock_file(int islockfile)
 	//VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "log path:%s ret:%s buffersize: %d\n", logpath.c_str(), hg_scanner_err_name(ret), buffersize);
 	//return ret;
 	return SCANNER_ERR_OK;
-}
\ No newline at end of file
+}
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 766d133..ca82210 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -299,17 +299,17 @@ int hg_scanner_300::start(void)
 	//	VLOG_MINI_1(LOG_LEVEL_WARNING, "device  status is(%s)\n", STATU_DESC_SCANNER_ERR_DEVICE_DEVS_BOOTING);
 	//	return SCANNER_ERR_DEVICE_DEVS_BOOTING;
 	//}
-	StopWatch sw;
-	while (is_read_int)
-	{
-		if (sw.elapsed_s() > 10)
-		{
-			break;
-		}
-		std::this_thread::sleep_for(std::chrono::milliseconds(1000));
-		VLOG_MINI_1(LOG_LEVEL_WARNING, "device  status is(%s)\n", STATU_DESC_SCANNER_ERR_DEVICE_DEVS_BOOTING);
-	}
-	discard_all_images();
+	//StopWatch sw;
+//	while (is_read_int)
+	//{
+	//	if (sw.elapsed_s() > 10)
+		//{
+	//		break;
+		//}
+		//std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+		//VLOG_MINI_1(LOG_LEVEL_WARNING, "device  status is(%s)\n", STATU_DESC_SCANNER_ERR_DEVICE_DEVS_BOOTING);
+	//}
+	//discard_all_images();
 	final_imgs_.clear();
 	bool	handled = false;
 	int		ret = try_third_app_handle_start(handled),
@@ -1288,4 +1288,4 @@ int hg_scanner_300::get_roller_num(int& val)
 	}
 	val = usbcb.u32_Data;
 	return ret;
-}
\ No newline at end of file
+}