diff --git a/LICENSE b/LICENSE
old mode 100755
new mode 100644
diff --git a/README.OpenSource b/README.OpenSource
new file mode 100755
index 0000000000000000000000000000000000000000..b57ec7bf3cd3771c6c1fb4f6a1c27dac3852543d
--- /dev/null
+++ b/README.OpenSource
@@ -0,0 +1,11 @@
+[
+    {
+        "Name"                  : "rt-thread",
+        "License"               : "Apache License V2.0",
+        "License File"          : "COPYRIGHT",
+        "Version Number"        : "4.0.2",
+        "Owner"                 : "tonghaoyang1@huawei.com",
+        "Upstream URL"          : "http://code.google.com/p/rt-thread/",
+        "Description"           : "The Real-Time Thread(RT-Thread) Operating System is an open source real-time operating system developed by the RT-Thread Studio based in China, more on kernel and components Introduction."
+    }
+]
diff --git a/README.md b/README.md
old mode 100755
new mode 100644
diff --git a/README_zh.md b/README_zh.md
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/cyg/fileio/fileio.h b/components/dfs/filesystems/jffs2/cyg/fileio/fileio.h
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/include/port/fcntl.h b/components/dfs/filesystems/jffs2/include/port/fcntl.h
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/jffs2_config.h b/components/dfs/filesystems/jffs2/jffs2_config.h
old mode 100755
new mode 100644
index ef5e44a9ceca3d70356688124140a6635162f603..538d5b39f6103d1f7b2cec6625359bf95bdeba95
--- a/components/dfs/filesystems/jffs2/jffs2_config.h
+++ b/components/dfs/filesystems/jffs2/jffs2_config.h
@@ -1,9 +1,6 @@
 #ifndef JFFS2_CONFIG_H
 #define JFFS2_CONFIG_H
 
-#ifndef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
-#include "spinor.h"
-#endif
 #include "mtd_partition.h"
 
 #ifdef __cplusplus
diff --git a/components/dfs/filesystems/jffs2/porting.c b/components/dfs/filesystems/jffs2/porting.c
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/porting.h b/components/dfs/filesystems/jffs2/porting.h
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/src/LICENCE b/components/dfs/filesystems/jffs2/src/LICENCE
old mode 100755
new mode 100644
diff --git a/components/dfs/filesystems/jffs2/src/fs-ecos.c b/components/dfs/filesystems/jffs2/src/fs-ecos.c
index 45ba8f00142abb4ac170790231c1b85f17731f25..fcc891d73d1ff316c88c5e04cfab0800c2e6ff18 100755
--- a/components/dfs/filesystems/jffs2/src/fs-ecos.c
+++ b/components/dfs/filesystems/jffs2/src/fs-ecos.c
@@ -24,9 +24,6 @@
 #include "jffs2/compr.h"
 #include "port/fcntl.h"
 #include "porting.h"
-#ifndef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
-#include "spinor.h"
-#endif
 #include "limits.h"
 #include "los_process_pri.h"
 #include "capability_type.h"
@@ -166,7 +163,7 @@ static int find_entry(jffs2_dirsearch * ds)
 	struct _inode *dir = ds->dir;
 	const unsigned char *name = ds->path;
 	const unsigned char *n = name;
-	char namelen = 0;
+	int namelen = 0;
 	struct _inode *d;
 	int accMode = 0;
 
@@ -1418,7 +1415,6 @@ static int jffs2_fo_dirread(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
       out_sem:
 	mutex_unlock(&f->sem);
 	if (fd == NULL) {
-		fp->f_offset = 2;
 		D2(printk
 			(KERN_DEBUG "reached the end of the directory\n"));
 		return ENOENT;
diff --git a/components/dfs/filesystems/jffs2/src/os-ecos.h b/components/dfs/filesystems/jffs2/src/os-ecos.h
old mode 100755
new mode 100644
index 04892c5256e4b82eda8fd6e0cdf5fe56b5391d6d..73f121e16f63e01d4e01d6e414751673db37048b
--- a/components/dfs/filesystems/jffs2/src/os-ecos.h
+++ b/components/dfs/filesystems/jffs2/src/os-ecos.h
@@ -24,9 +24,6 @@
 #include "errno.h"
 #include "jffs2_fs_i.h"
 #include "jffs2_fs_sb.h"
-#ifndef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
-#include "spinor.h"
-#endif
 #include "fileio.h"
 #include "sys/uio.h"
 
diff --git a/components/dfs/filesystems/jffs2/vfs_jffs2.c b/components/dfs/filesystems/jffs2/vfs_jffs2.c
index b617716f0dd70bd74257e8a59e73a9dd6b750608..506f6e37d3ee0bb587d2712155366a227736862d 100755
--- a/components/dfs/filesystems/jffs2/vfs_jffs2.c
+++ b/components/dfs/filesystems/jffs2/vfs_jffs2.c
@@ -293,19 +293,19 @@ static loff_t vfs_jffs_seek64(FAR struct file *filep, loff_t offset, int whence)
 
 static int vfs_jffs_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 {
-	PRINT_ERR("%s NOT SUPPORT\n", __FUNCTION__);
+	PRINT_DEBUG("%s NOT SUPPORT\n", __FUNCTION__);
 	return -ENOSYS;
 }
 
 static int vfs_jffs_sync(FAR struct file *filep)
 {
-	PRINT_ERR("%s NOT SUPPORT\n", __FUNCTION__);
+	PRINT_DEBUG("%s NOT SUPPORT\n", __FUNCTION__);
 	return -ENOSYS;
 }
 
 static int vfs_jffs_dup(FAR const struct file *oldp, FAR struct file *newp)
 {
-	PRINT_ERR("%s NOT SUPPORT\n", __FUNCTION__);
+	PRINT_DEBUG("%s NOT SUPPORT\n", __FUNCTION__);
 	return -ENOSYS;
 }
 
@@ -363,45 +363,49 @@ static int vfs_jffs_closedir(FAR struct inode *mountpt, FAR struct fs_dirent_s *
 
 static int vfs_jffs_readdir(FAR struct inode *mountpt, FAR struct fs_dirent_s *dir)
 {
-/* reduced value between dir->fd_dir.d_off and jffs2_file->f_offset */
-#define REDUCED_VALUE    3
 	cyg_file *jffs2_file = NULL;
 	struct CYG_UIO_TAG uio_s;
 	struct CYG_IOVEC_TAG iovec;
 	struct jffs2_dirent jffs2_d;
 	int result;
+	int i = 0;
 	uint32_t dst_name_size;
 
 	jffs2_file = (cyg_file *)(dir->u.fs_dir);
 
-	/* set jffs2_d */
-	(void)memset_s(&jffs2_d, sizeof(struct jffs2_dirent), 0, sizeof(struct jffs2_dirent));
-	/* set CYG_UIO_TAG uio_s */
-	uio_s.uio_iov = &iovec;
-	uio_s.uio_iov->iov_base = &jffs2_d;
-	uio_s.uio_iov->iov_len = sizeof(struct jffs2_dirent);;
-	uio_s.uio_iovcnt = 1; /* must be 1 */
-	uio_s.uio_offset = 0; /* not used... */
-	uio_s.uio_resid = uio_s.uio_iov->iov_len; /* seem no use in jffs2; */
-
-	jffs_mutex_take(&jffs2_lock, (uint32_t)JFFS_WAITING_FOREVER);
-	result = jffs2_dir_operations.readdir(jffs2_file, &uio_s);
-	jffs_mutex_release(&jffs2_lock);
-
-	if (result)
-		return jffs2_result_to_vfs(result);
+	while (i < MAX_DIRENT_NUM && i < dir->read_cnt) {
+		/* set jffs2_d */
+		(void)memset_s(&jffs2_d, sizeof(struct jffs2_dirent), 0, sizeof(struct jffs2_dirent));
+		/* set CYG_UIO_TAG uio_s */
+		uio_s.uio_iov = &iovec;
+		uio_s.uio_iov->iov_base = &jffs2_d;
+		uio_s.uio_iov->iov_len = sizeof(struct jffs2_dirent);;
+		uio_s.uio_iovcnt = 1; /* must be 1 */
+		uio_s.uio_offset = 0; /* not used... */
+		uio_s.uio_resid = uio_s.uio_iov->iov_len; /* seem no use in jffs2; */
+
+		jffs_mutex_take(&jffs2_lock, (uint32_t)JFFS_WAITING_FOREVER);
+		result = jffs2_dir_operations.readdir(jffs2_file, &uio_s);
+		jffs_mutex_release(&jffs2_lock);
 
-	dir->fd_dir.d_off = jffs2_file->f_offset - REDUCED_VALUE;
-	dir->fd_dir.d_type = jffs2_d.d_type;
-	dir->fd_dir.d_reclen = (uint16_t)sizeof(struct dirent);
-	dst_name_size = sizeof(dir->fd_dir.d_name);
-	result = strncpy_s(dir->fd_dir.d_name, dst_name_size, jffs2_d.d_name, dst_name_size - 1);
-	if (result != EOK) {
-		return -ENAMETOOLONG;
+		if (result) {
+			break;
+		}
+
+		dir->fd_dir[i].d_type = jffs2_d.d_type;
+		dst_name_size = sizeof(dir->fd_dir[i].d_name);
+		result = strncpy_s(dir->fd_dir[i].d_name, dst_name_size, jffs2_d.d_name, dst_name_size - 1);
+		if (result != EOK) {
+			return -ENAMETOOLONG;
+		}
+		dir->fd_dir[i].d_name[dst_name_size - 1] = '\0';
+		dir->fd_position++;
+		dir->fd_dir[i].d_off = dir->fd_position;
+		dir->fd_dir[i].d_reclen = (uint16_t)sizeof(struct dirent);
+
+		i++;
 	}
-	dir->fd_dir.d_name[dst_name_size - 1] = '\0';
-
-	return OK;
+	return i;
 }
 
 static int vfs_jffs_rewinddir(FAR struct inode *mountpt,
@@ -620,6 +624,7 @@ static int vfs_jffs_statfs(FAR struct inode *mountpt, FAR struct statfs *buf)
 	buf->f_frsize = BLOCK_SIZE;
 	buf->f_files = 0;
 	buf->f_ffree = 0;
+	buf->f_flags = mountpt->mountflags;
 	return 0;
 }
 
diff --git a/components/dfs/filesystems/jffs2/vfs_jffs2.h b/components/dfs/filesystems/jffs2/vfs_jffs2.h
old mode 100755
new mode 100644