diff --git a/hgdriver/hgdev/hg_scanner_302.cpp b/hgdriver/hgdev/hg_scanner_302.cpp
index cd4493f..9ccbd8b 100644
--- a/hgdriver/hgdev/hg_scanner_302.cpp
+++ b/hgdriver/hgdev/hg_scanner_302.cpp
@@ -915,8 +915,12 @@ void hg_scanner_302::thread_handle_usb_read(void)
 
 			ret = io_->read_interrupt(buf, &size);
 		}
-		VLOG_MINI_5(LOG_LEVEL_DEBUG_INFO, "read-INT = %s: From(%d), Code(%d), Index(%d), size = %d\n", hg_scanner_err_name(ret),
-			info->From, info->Code, info->Img_Index, size);
+		if (ret != SCANNER_ERR_OK && ret != SCANNER_ERR_TIMEOUT)
+		{
+			VLOG_MINI_5(LOG_LEVEL_DEBUG_INFO, "read-INT = %s: From(%d), Code(%d), Index(%d), size = %d\n", hg_scanner_err_name(ret),
+				info->From, info->Code, info->Img_Index, size);
+		}
+
 		if (ret != SCANNER_ERR_OK)
 		{
 			if (ret == SCANNER_ERR_TIMEOUT)
@@ -1074,8 +1078,9 @@ int hg_scanner_302::start(void)
 			ret = status_ = SCANNER_ERR_DEVICE_ISLOCK;
 		else
 		{
-			VLOG_MINI_2(LOG_LEVEL_WARNING, "consider as success on SR_GET_ANDROID_STATE(%d) result: %s\n", val, hg_scanner_err_name(ret));
-			break;
+			ret = status_ = SCANNER_ERR_OUT_OF_RANGE;
+			VLOG_MINI_2(LOG_LEVEL_WARNING, "The device is abnormal and can not be scanned : %s\n", val, hg_scanner_err_name(ret));
+			//break;
 		}
 
 		VLOG_MINI_2(LOG_LEVEL_WARNING, "failed on SR_GET_ANDROID_STATE(%d) result: %s\n", val, hg_scanner_err_name(ret));