diff --git a/huagao/Device/GScanO200.cpp b/huagao/Device/GScanO200.cpp
index bc8e957e..d2b4c6b5 100644
--- a/huagao/Device/GScanO200.cpp
+++ b/huagao/Device/GScanO200.cpp
@@ -207,7 +207,7 @@ int GScanO200::aquire_bmpdata(std::vector<unsigned char>& bmpdata)
 			if (m_pImages->valid()) {
 				bmpdata = *(m_pImages->popBmpdata());
 				//static int aqimgindex = 0;
-				////FileTools::write_log("1.txt", "aquireed image " + to_string(++aqimgindex));
+				//writelog("aquireed image " + to_string(++aqimgindex));
 				//FileTools::write_log("C:\\Users\\huagao\\Desktop\\out.txt", "aquired procced image "+ to_string(++aqimgindex));
 
 
@@ -360,7 +360,7 @@ void GScanO200::Scanner_StartScan(UINT16 count)
 			count = count == 65535 ? 65535 : count / 2;
 		USBCB usbcb = { START_COMMAND,(UINT32)count ,0 };
 		m_usb->write_bulk(&usbcb, sizeof(usbcb));
-
+		this_thread::sleep_for(std::chrono::milliseconds(200));
 		m_pImages->setscanflags(true);
 		m_threadUsb.reset(new std::thread(&GScanO200::usbmain, this));
 		m_pImages->run();
@@ -511,8 +511,8 @@ void GScanO200::usbmain()
 				break;
 			}
 			m_pImages->pushMat(std::shared_ptr<IDecode>(new G200Decode(imgData)));
-			/*static int rawdataindex = 0;
-			FileTools::write_log("C:\\Users\\huagao\\Desktop\\out.txt", "origin rawbuffer index " + std::to_string(++rawdataindex));*/
+			//static int rawdataindex = 0;
+			//writelog("origin rawbuffer index " + std::to_string(++rawdataindex));
 #ifdef LOG_NORMAL
 			static int rawdataindex = 0;
 			FileTools::write_log("out.txt", "Enquque rawbuffer index " + std::to_string(++rawdataindex));
@@ -586,7 +586,7 @@ std::shared_ptr<std::vector<char>>  GScanO200::Get_Img_Data(int bufferSize)
 	}
 
 	if (sw.elapsed_ms() > 3000) {
-		writelog("Usb read data error\n");
+		writelog("Usb read data timeout\n");
 	}
 
 	return imData;