diff --git a/README.md b/README.md
index de79c505..c5f9e85b 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ fscan.exe -h 192.168.1.1/24 -m ms17010 (指定模块)
 -h 192.168.1.1/24 (C段)  
 -h 192.168.1.1/16 (B段)
 -h 192.168.1.1/8  (A段的192.x.x.1和192.x.x.254,方便快速查看网段信息 )
--hs ip.txt  (以文件导入)
+-hf ip.txt  (以文件导入)
 ```