From 7cc9afa6f33ce51c9fda28edcffa2f1176b46d1f Mon Sep 17 00:00:00 2001
From: songjiayang <songjiayang1@gmail.com>
Date: Fri, 28 Apr 2017 00:12:51 +0800
Subject: [PATCH] update readme

---
 README.md | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c98f565..62e7dc3 100644
--- a/README.md
+++ b/README.md
@@ -26,4 +26,19 @@ It cached file's mtime and fsize, so can upload the changes only.
 
 ### Command
 
-you can run `file_scan -h` to get all the options
+you can run `file_scan -h` to get all the options：
+
+```
+-config string
+    the config file (default "./config.json")
+-download
+    download files from storage
+-lu
+    list upload status
+-luf
+    list all upload failed files
+-r string
+    root path (default "./data/test")
+-upload
+    upload files to storage
+```