diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index e0336b5..a3b647c 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -2394,11 +2394,13 @@ int hg_scanner::save_usb_data(std::shared_ptr<tiny_buffer> data)
 	}
 	else
 	{
-		while (Memoryusae > memory_size_)
+		int num = 0;
+		while (Memoryusae > memory_size_ && user_cancel_ && num < 20)//三个条件以防止卡死
 		{
+			num++;
 			std::this_thread::sleep_for(std::chrono::milliseconds(500));
 			Memoryusae = hg_log::GetAppMemoryUsage();
-			VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "Memory Usage is Too big:%d ,Please wait -_- ...", Memoryusae);
+			VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "Memory Usage is Too big:%f ,Please wait -_- ...\r\n", Memoryusae);
 		}
 		imgs_.Put(data);
 		if (wait_img_.is_waiting())
diff --git a/hgdriver/wrapper/hg_log.cpp b/hgdriver/wrapper/hg_log.cpp
index 56ca9be..233e101 100644
--- a/hgdriver/wrapper/hg_log.cpp
+++ b/hgdriver/wrapper/hg_log.cpp
@@ -28,7 +28,7 @@
 #include <algorithm>
 #include <mutex>
 #include "ini_file.h"
-#define VMRSS_LINE 22
+#define VMRSS_LINE 21 //ʵ�������ڴ�ʹ����
 #define MAX_LOG_FILE_SIZE	100 * 1024 * 1024
 #ifdef _INTSIZEOF
 #undef _INTSIZEOF