diff --git a/components/dfs/dfs_v2/filesystems/tmpfs/dfs_tmpfs.c b/components/dfs/dfs_v2/filesystems/tmpfs/dfs_tmpfs.c
index 512c2ecdf2..32ddad821c 100644
--- a/components/dfs/dfs_v2/filesystems/tmpfs/dfs_tmpfs.c
+++ b/components/dfs/dfs_v2/filesystems/tmpfs/dfs_tmpfs.c
@@ -111,9 +111,9 @@ static int _free_subdir(struct tmpfs_file *dfile)
     return 0;
 }
 
-static int dfs_tmpfs_mount(struct dfs_mnt    *mnt,
-                                            unsigned long   rwflag,
-                                            const void      *data)
+static int dfs_tmpfs_mount(struct dfs_mnt *mnt,
+                           unsigned long rwflag,
+                           const void *data)
 {
     struct tmpfs_sb *superblock;
 
@@ -295,7 +295,6 @@ static int dfs_tmpfs_read(struct dfs_file *file, void *buf, size_t count, off_t
     return length;
 }
 
-
 static int dfs_tmpfs_write(struct dfs_file *file, const void *buf, size_t count, off_t *pos)
 {
     struct tmpfs_file *d_file;
@@ -347,13 +346,13 @@ static int dfs_tmpfs_lseek(struct dfs_file *file, off_t offset, int wherece)
     return -EIO;
 }
 
-int dfs_tmpfs_close(struct dfs_file *file)
+static int dfs_tmpfs_close(struct dfs_file *file)
 {
     RT_ASSERT(file->vnode->ref_count > 0);
     return RT_EOK;
 }
 
-int dfs_tmpfs_open(struct dfs_file *file)
+static int dfs_tmpfs_open(struct dfs_file *file)
 {
     struct tmpfs_file *d_file;
 
@@ -416,7 +415,7 @@ static int dfs_tmpfs_stat(struct dfs_dentry *dentry, struct stat *st)
     return RT_EOK;
 }
 
-int dfs_tmpfs_getdents(struct dfs_file *file,
+static int dfs_tmpfs_getdents(struct dfs_file *file,
                        struct dirent *dirp,
                        uint32_t    count)
 {
@@ -471,7 +470,7 @@ int dfs_tmpfs_getdents(struct dfs_file *file,
     return count * sizeof(struct dirent);
 }
 
-int dfs_tmpfs_unlink(struct dfs_dentry *dentry)
+static int dfs_tmpfs_unlink(struct dfs_dentry *dentry)
 {
     rt_size_t size;
     struct tmpfs_sb *superblock;
@@ -497,7 +496,7 @@ int dfs_tmpfs_unlink(struct dfs_dentry *dentry)
     return RT_EOK;
 }
 
-int dfs_tmpfs_rename(struct dfs_dentry *old_dentry, struct dfs_dentry *new_dentry)
+static int dfs_tmpfs_rename(struct dfs_dentry *old_dentry, struct dfs_dentry *new_dentry)
 {
     struct tmpfs_file *d_file, *p_file;
     struct tmpfs_sb *superblock;
@@ -538,7 +537,6 @@ int dfs_tmpfs_rename(struct dfs_dentry *old_dentry, struct dfs_dentry *new_dentr
     return RT_EOK;
 }
 
-
 static struct dfs_vnode *_dfs_tmpfs_lookup(struct dfs_dentry *dentry)
 {
     struct dfs_vnode *vnode = RT_NULL;
diff --git a/components/dfs/dfs_v2/src/dfs_file.c b/components/dfs/dfs_v2/src/dfs_file.c
index ca917ba9b7..0bc08bf562 100644
--- a/components/dfs/dfs_v2/src/dfs_file.c
+++ b/components/dfs/dfs_v2/src/dfs_file.c
@@ -1668,6 +1668,11 @@ void ls(const char *pathname)
                                 rt_kprintf(_COLOR_RED "-> link_error\n" _COLOR_NORMAL);
                             }
                         }
+                        else if (stat.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))
+                        {
+                            rt_kprintf(_COLOR_GREEN "%-20s" _COLOR_NORMAL, dirent.d_name);
+                            rt_kprintf("%-25lu\n", (unsigned long)stat.st_size);
+                        }
                         else
                         {
                             rt_kprintf("%-20s", dirent.d_name);
@@ -1676,7 +1681,7 @@ void ls(const char *pathname)
                     }
                     else
                     {
-                        rt_kprintf("BAD file: %s\n", dirent.d_name);
+                        rt_kprintf(_COLOR_RED "%-20s" _COLOR_NORMAL, dirent.d_name);
                     }
 
                     rt_free(fullpath);