diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index ceceecc..c1d7549 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -3128,7 +3128,7 @@ int hg_scanner::save_usb_data(std::shared_ptr<tiny_buffer> data)
 
 	usb_img_index_++;
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "USB read one picture with %u bytes\n", data->size());
-	if (dump_usb_path_.length())
+	if (dump_usb_path_.length() && pid_ != 0x0200 && pid_ != 0x100) //这两台设备不是jpg的图 所以不能直接处理
 	{
 		char	name[80] = { 0 };
 		FILE*	dst = nullptr;
diff --git a/hgdriver/hgdev/hg_scanner_200.cpp b/hgdriver/hgdev/hg_scanner_200.cpp
index d6a89ba..066f60f 100644
--- a/hgdriver/hgdev/hg_scanner_200.cpp
+++ b/hgdriver/hgdev/hg_scanner_200.cpp
@@ -256,12 +256,14 @@ void hg_scanner_200::thread_handle_usb_read(void)
 			else
 			{
 			//	notify_ui_working_status(hg_scanner::error_description((scanner_err)prev_err).c_str(), SANE_EVENT_ERROR, prev_err);
-				VLOG_MINI_1(LOG_LEVEL_WARNING, "-x-x-x-: USB thread error: %s\n", hg_scanner_err_name(prev_err));
+				
 			}
-			prev_err = ret;
+			status_ = prev_err = ret;
+			break; //dsp 设备错误消息不会发stop
 		}
 		this_thread::sleep_for(chrono::milliseconds(2));
 	}
+	VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "USB thread exit with code: %s, status = %s\n", hg_scanner_err_name(ret), hg_scanner_err_description(status_));
 }
 int hg_scanner_200::start(void)
 {