diff --git a/huagao/Device/GScanO200.cpp b/huagao/Device/GScanO200.cpp
index 3fbed4ea..83c52a80 100644
--- a/huagao/Device/GScanO200.cpp
+++ b/huagao/Device/GScanO200.cpp
@@ -312,6 +312,7 @@ void GScanO200::usbmain()
 		case HAVE_IMAGE:
 		{
 			int totalNum = usbcb.u32_Count;
+			m_usb->set_timeout(1500);
 			imgData = Get_Img_Data(totalNum);
 			if (!imgData->size()) {
 				Stop_scan();
@@ -323,6 +324,7 @@ void GScanO200::usbmain()
 			static int rawdataindex = 0;
 			FileTools::write_log("out.txt", "Enquque rawbuffer index " + std::to_string(++rawdataindex));
 #endif // LOG
+			m_usb->set_timeout(200);
 			Pop_Image();
 			break;
 		}
@@ -370,7 +372,7 @@ std::shared_ptr<std::vector<char>>  GScanO200::Get_Img_Data(int bufferSize)
 	std::shared_ptr<std::vector<char>> imData(new std::vector<char>(bufferSize));
 	StopWatch sw;
 	int readed = 0;
-	while (readed < bufferSize && sw.elapsed_ms() < 3000){
+	while (readed < bufferSize && sw.elapsed_ms() < 5000){
 		USBCB usbcb = { GET_IMAGE,0,(UINT32)bufferSize };
 		m_usb->write_bulk(&usbcb, sizeof(usbcb));
 		readed = m_usb->read_bulk(imData->data(), bufferSize);