diff --git a/bsp/stm3210/project_filesystem/application.c b/bsp/stm3210/project_filesystem/application.c
index 9258aa0449454fa082f04001b174166c34f066b9..698f4a9bf0b0a2d768685671ec59e60fd942b028 100644
--- a/bsp/stm3210/project_filesystem/application.c
+++ b/bsp/stm3210/project_filesystem/application.c
@@ -24,67 +24,38 @@
 #include <dfs_init.h>
 /* dfs filesystem:EFS filesystem init */
 #include <dfs_efs.h>
+/* dfs filesystem:ELM FatFs filesystem init */
+#include <dfs_elm.h>
 /* dfs Filesystem APIs */
 #include <dfs_fs.h>
 #endif
 
-/* filesystem test */
-#include <dfs_posix.h>
-static char fullpath[256 + 1];
-void ls_root()
-{
-	DIR *dir;
-	
-	dir = opendir("/");
-	if (dir != RT_NULL)
-	{
-		struct dfs_dirent* dirent;
-		struct dfs_stat s;
-
-		do 
-		{
-			dirent = readdir(dir);
-			if (dirent == RT_NULL) break;
-			rt_memset(&s, 0, sizeof(struct dfs_stat));
-
-			/* build full path for each file */
-			rt_sprintf(fullpath, "/%s", dirent->d_name);
-
-			stat(fullpath, &s);
-			if ( s.st_mode & DFS_S_IFDIR )
-			{
-				rt_kprintf("%s\t\t<DIR>\n", dirent->d_name);
-			}
-			else
-			{
-				rt_kprintf("%s\t\t%lu\n", dirent->d_name, s.st_size);
-			}
-		} while (dirent != RT_NULL);
-
-		closedir(dir);
-	}
-	else rt_kprintf("open root directory failed\n");
-}
-
 void rt_init_thread_entry(void* parameter)
 {
 /* Filesystem Initialization */
 #ifdef RT_USING_DFS
 	{
-		/* init the device filesystem */
-		dfs_init();
-		/* init the efsl filesystam*/
-		efsl_init();
-
-		/* mount sd card fat partition 1 as root directory */
-		if (dfs_mount("sd0", "/", "efs", 0, 0) == 0)
-		{
-			rt_kprintf("File System initialized!\n");
-			ls_root();
-		}
-		else
-			rt_kprintf("File System init failed!\n");
-
+        /* init the device filesystem */
+        dfs_init();
+#ifdef RT_USING_DFS_EFSL
+        /* init the efsl filesystam*/
+        efsl_init();
+
+        /* mount sd card fat partition 1 as root directory */
+        if (dfs_mount("sd0", "/", "efs", 0, 0) == 0)
+            rt_kprintf("File System initialized!\n");
+        else
+            rt_kprintf("File System init failed!\n");
+#elif defined(RT_USING_DFS_ELMFAT)
+        /* init the elm FAT filesystam*/
+        elm_init();
+
+        /* mount sd card fat partition 1 as root directory */
+        if (dfs_mount("sd0", "/", "elm", 0, 0) == 0)
+            rt_kprintf("File System initialized!\n");
+        else
+            rt_kprintf("File System init failed!\n");
+#endif
 	}
 #endif
 }
diff --git a/bsp/stm3210/project_filesystem/project.Uv2 b/bsp/stm3210/project_filesystem/project.Uv2
index d786e7e14d0f95479a0d0989cb146242339976d4..668dc9e6f13dd5379a48c2d043c06e37060322d9 100644
--- a/bsp/stm3210/project_filesystem/project.Uv2
+++ b/bsp/stm3210/project_filesystem/project.Uv2
@@ -66,22 +66,12 @@ File 5,2,<..\..\libcpu\arm\stm32\fault_rvds.S><fault_rvds.S>
 File 5,2,<..\..\libcpu\arm\stm32\start_rvds.s><start_rvds.s>
 File 5,1,<..\..\libcpu\arm\stm32\serial.c><serial.c>
 File 6,1,<..\..\filesystem\dfs\src\dfs_util.c><dfs_util.c>
-File 6,1,<..\..\filesystem\dfs\src\dfs_cache.c><dfs_cache.c>
 File 6,1,<..\..\filesystem\dfs\src\dfs_fs.c><dfs_fs.c>
 File 6,1,<..\..\filesystem\dfs\src\dfs_init.c><dfs_init.c>
 File 6,1,<..\..\filesystem\dfs\src\dfs_posix.c><dfs_posix.c>
 File 6,1,<..\..\filesystem\dfs\src\dfs_raw.c><dfs_raw.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\base\plibc.c><plibc.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\base\efs.c><efs.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\base\extract.c><extract.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\base\partition.c><partition.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\ui.c><ui.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\dir.c><dir.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\fat.c><fat.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\file.c><file.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\fs.c><fs.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\ls.c><ls.c>
-File 6,1,<..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\time.c><time.c>
+File 6,1,<..\..\filesystem\dfs\filesystems\elmfat\dfs_elm.c><dfs_elm.c>
+File 6,1,<..\..\filesystem\dfs\filesystems\elmfat\ff.c><ff.c>
 
 
 Options 1,0,0  // Target 'RT-Thread STM32'
@@ -142,7 +132,7 @@ Options 1,0,0  // Target 'RT-Thread STM32'
  ADSCMISC ()
  ADSCDEFN (USE_STDPERIPH_DRIVER, STM32F10X_HD,)
  ADSCUDEF ()
- ADSCINCD (.\Libraries\STM32F10x_StdPeriph_Driver\inc;.\Libraries\CMSIS\Core\CM3;..\..\include;.;..\..\libcpu\arm\stm32;..\..\filesystem\dfs;..\..\filesystem\dfs\include;..\..\filesystem\dfs\filesystems\efsl\src\include;..\..\filesystem\dfs\filesystems\efsl\src\base\include;..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\include)
+ ADSCINCD (.\Libraries\STM32F10x_StdPeriph_Driver\inc;.\Libraries\CMSIS\Core\CM3;..\..\include;.;..\..\libcpu\arm\stm32;..\..\filesystem\dfs;..\..\filesystem\dfs\include;..\..\finsh)
  ADSASFLG { 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
  ADSAMISC ()
  ADSADEFN ()
diff --git a/bsp/stm3210/project_filesystem/project.ewp b/bsp/stm3210/project_filesystem/project.ewp
index 09c35286318db4051e7370261796bf6ae8a7ac03..5bc9e840d687fe09b9ef0d54680e5180772f45ae 100644
--- a/bsp/stm3210/project_filesystem/project.ewp
+++ b/bsp/stm3210/project_filesystem/project.ewp
@@ -287,9 +287,6 @@
           <state>$PROJ_DIR$\..\..\libcpu\arm\stm32</state>
           <state>$PROJ_DIR$\..\..\filesystem\dfs</state>
           <state>$PROJ_DIR$\..\..\filesystem\dfs\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\include</state>
         </option>
         <option>
           <name>CCStdIncCheck</name>
@@ -1086,9 +1083,6 @@
           <state>$PROJ_DIR$\..\..\libcpu\arm\stm32</state>
           <state>$PROJ_DIR$\..\..\filesystem\dfs</state>
           <state>$PROJ_DIR$\..\..\filesystem\dfs\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\include</state>
-          <state>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\include</state>
         </option>
         <option>
           <name>CCStdIncCheck</name>
@@ -1611,7 +1605,7 @@
   <group>
     <name>Filesystem</name>
     <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\src\dfs_cache.c</name>
+      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\elmfat\dfs_elm.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\filesystem\dfs\src\dfs_fs.c</name>
@@ -1629,37 +1623,7 @@
       <name>$PROJ_DIR$\..\..\filesystem\dfs\src\dfs_util.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\dir.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\efs.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\extract.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\fat.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\file.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\fs.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\ls.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\partition.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\base\plibc.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\time.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\efsl\src\fs\vfat\ui.c</name>
+      <name>$PROJ_DIR$\..\..\filesystem\dfs\filesystems\elmfat\ff.c</name>
     </file>
   </group>
   <group>
diff --git a/bsp/stm3210/project_filesystem/rtconfig.h b/bsp/stm3210/project_filesystem/rtconfig.h
index d97832256e9ece67fb7641f59a7e3c8a5d3d37fe..ae5f1f2745f93ad18ca23aacf9ea43925c370267 100644
--- a/bsp/stm3210/project_filesystem/rtconfig.h
+++ b/bsp/stm3210/project_filesystem/rtconfig.h
@@ -65,10 +65,18 @@
 /* the buffer size of console*/
 #define RT_CONSOLEBUF_SIZE	128
 
+/* SECTION: FinSH shell options */
+/* Using FinSH as Shell*/
+/* #define RT_USING_FINSH */
+/* Using symbol table */
+#define FINSH_USING_SYMTAB
+#define FINSH_USING_DESCRIPTION
+
 /* SECTION: device filesystem */
 #define RT_USING_DFS
-#define RT_USING_DFS_EFSL
-/* #define RT_USING_DFS_ELMFAT */
+/* #define RT_USING_DFS_EFSL */
+#define RT_USING_DFS_ELMFAT
+#define RT_DFS_ELM_WORD_ACCESS
 
 /* the max number of mounted filesystem */
 #define DFS_FILESYSTEMS_MAX			2