diff --git a/FW/Core/001-base_rt/.config b/FW/Core/001-base_rt/.config
index 2716c17..83d4d9e 100644
--- a/FW/Core/001-base_rt/.config
+++ b/FW/Core/001-base_rt/.config
@@ -96,7 +96,7 @@ CONFIG_RT_USING_COMPONENTS_INIT=y
 CONFIG_RT_USING_USER_MAIN=y
 CONFIG_RT_MAIN_THREAD_STACK_SIZE=2048
 CONFIG_RT_MAIN_THREAD_PRIORITY=10
-# CONFIG_RT_USING_LEGACY is not set
+CONFIG_RT_USING_LEGACY=y
 CONFIG_RT_USING_MSH=y
 CONFIG_RT_USING_FINSH=y
 CONFIG_FINSH_USING_MSH=y
@@ -117,7 +117,22 @@ CONFIG_FINSH_USING_OPTION_COMPLETION=y
 #
 # DFS: device virtual file system
 #
-# CONFIG_RT_USING_DFS is not set
+CONFIG_RT_USING_DFS=y
+CONFIG_DFS_USING_POSIX=y
+CONFIG_DFS_USING_WORKDIR=y
+CONFIG_RT_USING_DFS_MNTTABLE=y
+CONFIG_DFS_FD_MAX=16
+CONFIG_RT_USING_DFS_V1=y
+# CONFIG_RT_USING_DFS_V2 is not set
+CONFIG_DFS_FILESYSTEMS_MAX=4
+CONFIG_DFS_FILESYSTEM_TYPES_MAX=4
+# CONFIG_RT_USING_DFS_ELMFAT is not set
+CONFIG_RT_USING_DFS_DEVFS=y
+# CONFIG_RT_USING_DFS_ROMFS is not set
+# CONFIG_RT_USING_DFS_CROMFS is not set
+# CONFIG_RT_USING_DFS_RAMFS is not set
+CONFIG_RT_USING_DFS_TMPFS=y
+# CONFIG_RT_USING_DFS_MQUEUE is not set
 CONFIG_RT_USING_FAL=y
 CONFIG_FAL_DEBUG_CONFIG=y
 CONFIG_FAL_DEBUG=1
diff --git a/FW/Core/001-base_rt/applications/main.c b/FW/Core/001-base_rt/applications/main.c
index 4f91967..5921462 100644
--- a/FW/Core/001-base_rt/applications/main.c
+++ b/FW/Core/001-base_rt/applications/main.c
@@ -3,6 +3,15 @@
 #include <board.h>
 
 
+#ifdef RT_USING_DFS_MNTTABLE
+#include <dfs_fs.h>
+const struct dfs_mount_tbl mount_table[]=
+{
+    {NULL,"/","tmp",0,NULL},
+    {0}
+};
+#endif
+
 int main(void)
 {
     RCC_ClocksTypeDef clocks;
diff --git a/FW/Core/001-base_rt/project.uvoptx b/FW/Core/001-base_rt/project.uvoptx
index d9e70a6..364abff 100644
--- a/FW/Core/001-base_rt/project.uvoptx
+++ b/FW/Core/001-base_rt/project.uvoptx
@@ -196,7 +196,7 @@
 
   <Group>
     <GroupName>Applications</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -207,8 +207,8 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>applications\main.c</PathWithFileName>
-      <FilenameWithoutPath>main.c</FilenameWithoutPath>
+      <PathWithFileName>applications\led.c</PathWithFileName>
+      <FilenameWithoutPath>led.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
@@ -219,8 +219,8 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>applications\led.c</PathWithFileName>
-      <FilenameWithoutPath>led.c</FilenameWithoutPath>
+      <PathWithFileName>applications\main.c</PathWithFileName>
+      <FilenameWithoutPath>main.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
@@ -228,7 +228,7 @@
 
   <Group>
     <GroupName>Compiler</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -1039,8 +1039,8 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal_partition.c</PathWithFileName>
-      <FilenameWithoutPath>fal_partition.c</FilenameWithoutPath>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal_flash.c</PathWithFileName>
+      <FilenameWithoutPath>fal_flash.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
@@ -1051,8 +1051,8 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal_flash.c</PathWithFileName>
-      <FilenameWithoutPath>fal_flash.c</FilenameWithoutPath>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal.c</PathWithFileName>
+      <FilenameWithoutPath>fal.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
@@ -1075,8 +1075,88 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal.c</PathWithFileName>
-      <FilenameWithoutPath>fal.c</FilenameWithoutPath>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\fal\src\fal_partition.c</PathWithFileName>
+      <FilenameWithoutPath>fal_partition.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
+  <Group>
+    <GroupName>Filesystem</GroupName>
+    <tvExp>0</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>71</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\devfs\devfs.c</PathWithFileName>
+      <FilenameWithoutPath>devfs.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>72</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\tmpfs\dfs_tmpfs.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_tmpfs.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>73</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs.c</PathWithFileName>
+      <FilenameWithoutPath>dfs.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>74</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_file.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_file.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>75</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_fs.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_fs.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>76</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_posix.c</PathWithFileName>
+      <FilenameWithoutPath>dfs_posix.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
@@ -1089,8 +1169,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>7</GroupNumber>
-      <FileNumber>71</FileNumber>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>77</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1101,8 +1181,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>7</GroupNumber>
-      <FileNumber>72</FileNumber>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>78</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1113,8 +1193,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>7</GroupNumber>
-      <FileNumber>73</FileNumber>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>79</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1125,8 +1205,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>7</GroupNumber>
-      <FileNumber>74</FileNumber>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>80</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1136,6 +1216,18 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>8</GroupNumber>
+      <FileNumber>81</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\finsh\msh_file.c</PathWithFileName>
+      <FilenameWithoutPath>msh_file.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
@@ -1145,8 +1237,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>75</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>82</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1157,8 +1249,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>76</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>83</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1169,8 +1261,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>77</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>84</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1181,8 +1273,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>78</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>85</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1193,8 +1285,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>79</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>86</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1205,8 +1297,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>80</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>87</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1217,8 +1309,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>81</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>88</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1229,8 +1321,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>82</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>89</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1241,8 +1333,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>83</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>90</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1253,8 +1345,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>84</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>91</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1265,8 +1357,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>85</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>92</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1277,8 +1369,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>86</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>93</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1289,8 +1381,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>87</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>94</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1301,8 +1393,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>88</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>95</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1313,8 +1405,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>8</GroupNumber>
-      <FileNumber>89</FileNumber>
+      <GroupNumber>9</GroupNumber>
+      <FileNumber>96</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1326,6 +1418,26 @@
     </File>
   </Group>
 
+  <Group>
+    <GroupName>Legacy</GroupName>
+    <tvExp>0</tvExp>
+    <tvExpOptDlg>0</tvExpOptDlg>
+    <cbSel>0</cbSel>
+    <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>10</GroupNumber>
+      <FileNumber>97</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\3rdparty\rt-thread\master\components\legacy\ipc\workqueue_legacy.c</PathWithFileName>
+      <FilenameWithoutPath>workqueue_legacy.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+  </Group>
+
   <Group>
     <GroupName>libcpu</GroupName>
     <tvExp>0</tvExp>
@@ -1333,8 +1445,8 @@
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>90</FileNumber>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>98</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1345,8 +1457,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>91</FileNumber>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>99</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1357,8 +1469,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>92</FileNumber>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>100</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1369,8 +1481,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>93</FileNumber>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>101</FileNumber>
       <FileType>2</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -1381,8 +1493,8 @@
       <bShared>0</bShared>
     </File>
     <File>
-      <GroupNumber>9</GroupNumber>
-      <FileNumber>94</FileNumber>
+      <GroupNumber>11</GroupNumber>
+      <FileNumber>102</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/FW/Core/001-base_rt/project.uvprojx b/FW/Core/001-base_rt/project.uvprojx
index 2c0d0e0..6b57c9d 100644
--- a/FW/Core/001-base_rt/project.uvprojx
+++ b/FW/Core/001-base_rt/project.uvprojx
@@ -338,7 +338,7 @@
               <MiscControls></MiscControls>
               <Define>RT_USING_LIBC, RT_USING_ARMLIBC, __STDC_LIMIT_MACROS, __RTTHREAD__, __CLK_TCK=RT_TICK_PER_SECOND</Define>
               <Undefine></Undefine>
-              <IncludePath>..\3rdparty\rt-thread\master\components\libc\cplusplus;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\spi;..\3rdparty\rt-thread\master\components\libc\compilers\common\extension\fcntl\octal;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\libcpu\arm\cortex-m3;board\ports;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;libraries\CMSIS\Include;..\3rdparty\rt-thread\master\components\drivers\include;applications;..\3rdparty\rt-thread\master\components\libc\posix\io\eventfd;..\3rdparty\rt-thread\master\components\libc\compilers\common\extension;libraries;..\3rdparty\rt-thread\master\components\finsh;libraries\rt_drivers;..\3rdparty\rt-thread\master\components\libc\compilers\common\include;..\3rdparty\rt-thread\master\components\libc\posix\io\epoll;..\3rdparty\rt-thread\master\include;.;board;libraries\AIR32F10xLib\inc;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\libcpu\arm\common;..\3rdparty\rt-thread\master\components\libc\posix\io\poll;..\3rdparty\rt-thread\master\components\fal\inc;..\3rdparty\rt-thread\master\components\libc\posix\ipc</IncludePath>
+              <IncludePath>..\3rdparty\rt-thread\master\components\libc\cplusplus;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\spi;..\3rdparty\rt-thread\master\components\libc\compilers\common\extension\fcntl\octal;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\libcpu\arm\cortex-m3;board\ports;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\drivers\include;libraries\CMSIS\Include;..\3rdparty\rt-thread\master\components\drivers\include;applications;..\3rdparty\rt-thread\master\components\dfs\dfs_v1\include;..\3rdparty\rt-thread\master\components\libc\posix\io\eventfd;..\3rdparty\rt-thread\master\components\libc\compilers\common\extension;libraries;..\3rdparty\rt-thread\master\components\finsh;libraries\rt_drivers;..\3rdparty\rt-thread\master\components\libc\compilers\common\include;..\3rdparty\rt-thread\master\components\libc\posix\io\epoll;..\3rdparty\rt-thread\master\include;.;board;libraries\AIR32F10xLib\inc;..\3rdparty\rt-thread\master\components\drivers\include;..\3rdparty\rt-thread\master\components\legacy\dfs;..\3rdparty\rt-thread\master\components\legacy;..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\tmpfs;..\3rdparty\rt-thread\master\libcpu\arm\common;..\3rdparty\rt-thread\master\components\libc\posix\io\poll;..\3rdparty\rt-thread\master\components\fal\inc;..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\devfs;..\3rdparty\rt-thread\master\components\libc\posix\ipc</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -382,16 +382,16 @@
         <Group>
           <GroupName>Applications</GroupName>
           <Files>
-            <File>
-              <FileName>main.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>applications\main.c</FilePath>
-            </File>
             <File>
               <FileName>led.c</FileName>
               <FileType>1</FileType>
               <FilePath>applications\led.c</FilePath>
             </File>
+            <File>
+              <FileName>main.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>applications\main.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -1655,25 +1655,60 @@
         <Group>
           <GroupName>Fal</GroupName>
           <Files>
-            <File>
-              <FileName>fal_partition.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal_partition.c</FilePath>
-            </File>
             <File>
               <FileName>fal_flash.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal_flash.c</FilePath>
             </File>
+            <File>
+              <FileName>fal.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal.c</FilePath>
+            </File>
             <File>
               <FileName>fal_rtt.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal_rtt.c</FilePath>
             </File>
             <File>
-              <FileName>fal.c</FileName>
+              <FileName>fal_partition.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal.c</FilePath>
+              <FilePath>..\3rdparty\rt-thread\master\components\fal\src\fal_partition.c</FilePath>
+            </File>
+          </Files>
+        </Group>
+        <Group>
+          <GroupName>Filesystem</GroupName>
+          <Files>
+            <File>
+              <FileName>devfs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\devfs\devfs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_tmpfs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\filesystems\tmpfs\dfs_tmpfs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_file.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_file.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_fs.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_fs.c</FilePath>
+            </File>
+            <File>
+              <FileName>dfs_posix.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\dfs\dfs_v1\src\dfs_posix.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -1700,6 +1735,11 @@
               <FileType>1</FileType>
               <FilePath>..\3rdparty\rt-thread\master\components\finsh\cmd.c</FilePath>
             </File>
+            <File>
+              <FileName>msh_file.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\finsh\msh_file.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -2547,6 +2587,16 @@
             </File>
           </Files>
         </Group>
+        <Group>
+          <GroupName>Legacy</GroupName>
+          <Files>
+            <File>
+              <FileName>workqueue_legacy.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rdparty\rt-thread\master\components\legacy\ipc\workqueue_legacy.c</FilePath>
+            </File>
+          </Files>
+        </Group>
         <Group>
           <GroupName>libcpu</GroupName>
           <Files>
diff --git a/FW/Core/001-base_rt/rtconfig.h b/FW/Core/001-base_rt/rtconfig.h
index d1133f6..c90306c 100644
--- a/FW/Core/001-base_rt/rtconfig.h
+++ b/FW/Core/001-base_rt/rtconfig.h
@@ -63,6 +63,7 @@
 #define RT_USING_USER_MAIN
 #define RT_MAIN_THREAD_STACK_SIZE 2048
 #define RT_MAIN_THREAD_PRIORITY 10
+#define RT_USING_LEGACY
 #define RT_USING_MSH
 #define RT_USING_FINSH
 #define FINSH_USING_MSH
@@ -80,6 +81,16 @@
 
 /* DFS: device virtual file system */
 
+#define RT_USING_DFS
+#define DFS_USING_POSIX
+#define DFS_USING_WORKDIR
+#define RT_USING_DFS_MNTTABLE
+#define DFS_FD_MAX 16
+#define RT_USING_DFS_V1
+#define DFS_FILESYSTEMS_MAX 4
+#define DFS_FILESYSTEM_TYPES_MAX 4
+#define RT_USING_DFS_DEVFS
+#define RT_USING_DFS_TMPFS
 #define RT_USING_FAL
 #define FAL_DEBUG_CONFIG
 #define FAL_DEBUG 1