diff --git a/rcore-fs-fuse/src/main.rs b/rcore-fs-fuse/src/main.rs
index 94230e8..5f373a0 100644
--- a/rcore-fs-fuse/src/main.rs
+++ b/rcore-fs-fuse/src/main.rs
@@ -9,7 +9,7 @@ use fuse::{FileAttr, Filesystem, FileType, ReplyAttr, ReplyData, ReplyDirectory,
 use structopt::StructOpt;
 use time::Timespec;
 
-use rcore_fs::{sfs, vfs};
+use rcore_fs::{sfs, sefs, vfs};
 
 const TTL: Timespec = Timespec { sec: 1, nsec: 0 };                     // 1 second
 
@@ -227,10 +227,18 @@ struct Opt {
 fn main() {
     env_logger::init().unwrap();
     let opt = Opt::from_args();
-    let img = OpenOptions::new().read(true).write(true).open(&opt.image)
-        .expect("failed to open image");
-    let sfs = sfs::SimpleFileSystem::open(Box::new(img))
-        .expect("failed to open sfs");
+//    let img = OpenOptions::new().read(true).write(true).open(&opt.image)
+//        .expect("failed to open image");
+    let sfs = if opt.image.is_dir() {
+        let img = sefs::std_impl::StdStorage::new(&opt.image);
+        sefs::SEFS::open(Box::new(img))
+            .expect("failed to open sefs")
+    } else {
+        std::fs::create_dir_all(&opt.image).unwrap();
+        let img = sefs::std_impl::StdStorage::new(&opt.image);
+        sefs::SEFS::create(Box::new(img))
+            .expect("failed to create sefs")
+    };
     fuse::mount(VfsWrapper::new(sfs), &opt.mount_point, &[])
         .expect("failed to mount fs");
 }
diff --git a/rcore-fs/src/sefs/mod.rs b/rcore-fs/src/sefs/mod.rs
index f2bb7c4..ef1c09e 100644
--- a/rcore-fs/src/sefs/mod.rs
+++ b/rcore-fs/src/sefs/mod.rs
@@ -13,7 +13,7 @@ use crate::vfs::{self, FileSystem, FsError, INode, Timespec};
 use self::structs::*;
 
 mod structs;
-mod std_impl;
+pub mod std_impl;
 
 /// A file stores a normal file or directory.
 ///
@@ -174,21 +174,21 @@ impl vfs::INode for INodeImpl {
     fn info(&self) -> vfs::Result<vfs::FileInfo> {
         let disk_inode = self.disk_inode.read();
         Ok(vfs::FileInfo {
-            inode: 0,
+            inode: self.id,
             size: match disk_inode.type_ {
                 FileType::File => disk_inode.size as usize,
                 FileType::Dir => disk_inode.blocks as usize,
                 _ => panic!("Unknown file type"),
             },
-            mode: 0,
+            mode: 0o777,
             type_: vfs::FileType::from(disk_inode.type_.clone()),
             blocks: disk_inode.blocks as usize,
-            atime: Timespec { sec: 0, nsec: 0 },
-            mtime: Timespec { sec: 0, nsec: 0 },
-            ctime: Timespec { sec: 0, nsec: 0 },
+            atime: Timespec { sec: disk_inode.atime as i64, nsec: 0 },
+            mtime: Timespec { sec: disk_inode.mtime as i64, nsec: 0 },
+            ctime: Timespec { sec: disk_inode.ctime as i64, nsec: 0 },
             nlinks: disk_inode.nlinks as usize,
-            uid: 0,
-            gid: 0
+            uid: disk_inode.uid as usize,
+            gid: disk_inode.gid as usize,
         })
     }
     fn sync(&self) -> vfs::Result<()> {