diff --git a/win/setup/scanner/Readme.txt b/win/setup/scanner/Readme.txt
index 7d7ba07..9d1d412 100644
--- a/win/setup/scanner/Readme.txt
+++ b/win/setup/scanner/Readme.txt
@@ -1,3 +1,7 @@
+V4.52.24005
+1、多流、黑白、颜色自动识别开启时开放锐化与模糊功能；
+2、CIS原图检测时关闭脏污检测功能；
+
 V4.52.24004
 1、解决保留双张后继续扫描后异常错误全都报扫描完成，安卓设备不提示双张错误的问题；BUG-876