diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 82f1b53..e5e483d 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1151,17 +1151,14 @@ void hg_scanner_239::thread_correction(void)
 	int	size = sizeof(buf);
 	int	ret = SCANNER_ERR_OK;
 
-	bool autoFaltFinish = false;
 	while (run_)
 	{
 		size = sizeof(buf);
 		memset(buf, 0, sizeof(buf));
 		{
 			std::lock_guard<std::mutex>      lock(io_lock_);
-			io_->set_timeout(2000);
+			io_->set_timeout(2000);//超时操作在读取INT端点之后改为在其之前做，解决校正提前报校正结束的问题；
 			ret = io_->read_interrupt(buf, &size);
-
-			printf("size:%d\r\n",size);
 		}
 
 		if (ret == SCANNER_ERR_TIMEOUT)