diff --git a/components/dfs/filesystems/elmfat/option/ccfile.c b/components/dfs/filesystems/elmfat/option/ccfile.c
index 34c97372c10d081a9fe50e0c1eb9119894c60fa8..e91db8c70226a8ced1d8f88af9f3b90da6601bc1 100644
--- a/components/dfs/filesystems/elmfat/option/ccfile.c
+++ b/components/dfs/filesystems/elmfat/option/ccfile.c
@@ -23,6 +23,7 @@ void ff_convert_init()
     if (uni2gbk_fd < 0)
         rt_kprintf("Unable to open Unicode to GBK look up table.\r\n");
 }
+INIT_APP_EXPORT(ff_convert_init);
 
 rt_uint16_t ff_convert(rt_uint16_t src, rt_uint32_t dir)
 {
diff --git a/components/dfs/include/dfs_fs.h b/components/dfs/include/dfs_fs.h
index e8f42f663117684eb401d5a8e44592dc95b1d099..3fa999c344a65c1246c574f23d99c706ee620a21 100644
--- a/components/dfs/include/dfs_fs.h
+++ b/components/dfs/include/dfs_fs.h
@@ -82,6 +82,16 @@ struct dfs_partition
     rt_sem_t lock;  
 };
 
+/* mount table */
+struct dfs_mount_tbl
+{
+	const char	 *device_name;
+	const char   *path;
+	const char   *filesystemtype;
+	unsigned long rwflag;
+	const void   *data;
+};
+
 int dfs_register(const struct dfs_filesystem_operation *ops);
 struct dfs_filesystem *dfs_filesystem_lookup(const char *path);
 rt_err_t dfs_filesystem_get_partition(struct dfs_partition *part,
@@ -98,6 +108,7 @@ int dfs_unmount(const char *specialfile);
 /* extern variable */
 extern const struct dfs_filesystem_operation *filesystem_operation_table[];
 extern struct dfs_filesystem filesystem_table[];
+extern const struct dfs_mount_tbl mount_table[];
 
 extern char working_directory[];
 
diff --git a/components/dfs/src/dfs_fs.c b/components/dfs/src/dfs_fs.c
index c7fb80eff3d99eda585e42dc8d3b70183d88f281..8b77aa978b17b3a6370331a06fb94eb1d2101271 100644
--- a/components/dfs/src/dfs_fs.c
+++ b/components/dfs/src/dfs_fs.c
@@ -497,6 +497,33 @@ int dfs_statfs(const char *path, struct statfs *buffer)
     return -1;
 }
 
+#ifdef RT_USING_DFS_MNTTABLE
+int dfs_mount_table(void)
+{
+	int index;
+
+	while (1)
+	{
+		if (mount_table[index].path == RT_NULL) break;
+		
+		if (dfs_mount(mount_table[index].device_name,
+				mount_table[index].path,
+				mount_table[index].filesystemtype,
+				mount_table[index].rwflag,
+				mount_table[index].data) != 0)
+		{
+			rt_kprintf("mount fs[%s] on %s failed.\n", mount_table[index].filesystemtype, 
+				mount_table[index].path);
+			return -RT_ERROR;
+		}
+
+		index ++;
+	}
+	return 0;
+}
+INIT_ENV_EXPORT(dfs_mount_table);
+#endif
+
 #ifdef RT_USING_FINSH
 #include <finsh.h>
 void mkfs(const char *fs_name, const char *device_name)
diff --git a/include/rtdef.h b/include/rtdef.h
index cb1fb7a9a911bea34e63aa856e1b7dd8daf3c402..1d64ae54f41c2c412f743a1e890e7491aef3e716 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -191,10 +191,16 @@ typedef int (*init_fn_t)(void);
 /* board init routines will be called in board_init() function */
 #define INIT_BOARD_EXPORT(fn)           INIT_EXPORT(fn, "1")
 /* device/component/fs/app init routines will be called in init_thread */
+/* device initialization */
 #define INIT_DEVICE_EXPORT(fn)          INIT_EXPORT(fn, "2")
+/* components initialization (dfs, lwip, ...) */
 #define INIT_COMPONENT_EXPORT(fn)       INIT_EXPORT(fn, "3")
+/* file system initialization (dfs-elm, dfs-rom, ...) */
 #define INIT_FS_EXPORT(fn)              INIT_EXPORT(fn, "4")
-#define INIT_APP_EXPORT(fn)             INIT_EXPORT(fn, "5")
+/* environment initialization (mount disk, ...) */
+#define INIT_ENV_EXPORT(fn)				INIT_EXPORT(fn, "5")
+/* appliation initialization (rtgui application etc ...) */
+#define INIT_APP_EXPORT(fn)             INIT_EXPORT(fn, "6")
 
 /* event length */
 #define RT_EVENT_LENGTH                 32
diff --git a/include/rtthread.h b/include/rtthread.h
index 6c3b11134d7bdae1ae2168a65959d906c64bd72b..28c01922918b85efa74dd67636de3f9ea68acf34 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -452,7 +452,7 @@ rt_uint8_t rt_interrupt_get_nest(void);
 /**
  * application module
  */
-void rt_system_module_init(void);
+int rt_system_module_init(void);
 
 /**
  * @addtogroup KernelService
diff --git a/src/module.c b/src/module.c
index 5469d46523d51559ecbb45941638bbe7c465dcf6..ac689dbade3f829b829a308883d36fa5f3bbaca8 100644
--- a/src/module.c
+++ b/src/module.c
@@ -80,7 +80,7 @@ static struct rt_module_symtab *_rt_module_symtab_end   = RT_NULL;
  *
  * This function will initialize system module
  */
-void rt_system_module_init(void)
+int rt_system_module_init(void)
 {
 #ifdef __GNUC__
     extern int __rtmsymtab_start;
@@ -100,6 +100,7 @@ void rt_system_module_init(void)
     /* initialize heap semaphore */
     rt_sem_init(&mod_sem, "module", 1, RT_IPC_FLAG_FIFO);
 #endif
+	return 0;
 }
 INIT_COMPONENT_EXPORT(rt_system_module_init);
 
@@ -805,9 +806,6 @@ rt_module_t rt_module_load(const char *name, void *module_ptr)
 
     if (elf_module->e_entry != 0)
     {
-        rt_uint32_t *stack_size;
-        rt_uint8_t  *priority;
-
 #ifdef RT_USING_SLAB
         /* init module memory allocator */
         module->mem_list = RT_NULL;
@@ -1180,8 +1178,6 @@ rt_err_t rt_module_destroy(rt_module_t module)
  */
 rt_err_t rt_module_unload(rt_module_t module)
 {
-    int i;
-    rt_err_t result;
     struct rt_object *object;
     struct rt_list_node *list;