diff --git a/sig/fs-sig/OWNERS b/sig/fs-sig/OWNERS
new file mode 100644
index 0000000000000000000000000000000000000000..d6c884ea2cc725ae203f494e12f58f1f8669471c
--- /dev/null
+++ b/sig/fs-sig/OWNERS
@@ -0,0 +1,14 @@
+{
+   "Leader":[
+      {
+         "gitee_id":"wangmihu2008",
+         "gitee_email":"wangmihu@huawei.com"
+      }
+   ]
+   "Committers":[
+      {
+         "gitee_id":"li_zan",
+         "gitee_email":"lizan1@huawei.com"
+      }
+   ]
+}
diff --git a/sig/fs-sig/fs_sig.md b/sig/fs-sig/fs_sig.md
new file mode 100644
index 0000000000000000000000000000000000000000..d344b40a10e6a0fc52e8c81272bd629215d212a6
--- /dev/null
+++ b/sig/fs-sig/fs_sig.md
@@ -0,0 +1,18 @@
+## SIG group work objectives and scope
+
+### work goals
+Maintenance of tripartite introduction warehouse littlefs to support the commercial use of M-core file system
+### work scope
+Harmony's application of file system on M core of light equipment
+### The repository 
+- project name:
+  -repository1 name:https://gitee.com/openharmony/third_party_littlefs
+
+
+## SIG Members
+
+### Leader
+- [@wangmihu2008](https://gitee.com/wangmihu2008)
+
+### Committers
+- [@li_zan](https://gitee.com/li_zan)
diff --git a/sig/fs-sig/fs_sig_cn.md b/sig/fs-sig/fs_sig_cn.md
new file mode 100644
index 0000000000000000000000000000000000000000..28e01fee20e19e4ba4958924ccd39cf8ad5f1981
--- /dev/null
+++ b/sig/fs-sig/fs_sig_cn.md
@@ -0,0 +1,17 @@
+## SIG组工作目标和范围
+
+### 工作目标
+维护三方引入仓littlefs，支撑M核文件系统商用
+### 工作范围
+鸿蒙在轻设备M核上的文件系统的应用
+## 代码仓
+- 代码仓地址：
+  - repository1名称：https://gitee.com/openharmony/third_party_littlefs
+
+## SIG组成员
+
+### Leader
+- [@wangmihu2008](https://gitee.com/wangmihu2008)
+
+### Committers列表
+- [@li_zan](https://gitee.com/li_zan)
diff --git a/sig/sigs.json b/sig/sigs.json
index 6ac35f0e206ad51e3ede79b2ad77c687d50142e0..574b1be7e885d7d7a97e0bad6f2b0b9e33d59732 100644
--- a/sig/sigs.json
+++ b/sig/sigs.json
@@ -1,14 +1,9 @@
 {
    "sigs-List":[
       {
-         "sig-name":"sig-docs",
-         "projects":"https://gitee.com/openharmony-sig/docs",
-         "project-path":"docs/"
-      },
-      {
-         "sig-name ":"sig-updates",
-         "projects":["https://gitee.com/openharmony/startup_appspawn_lite", "https://gitee.com/openharmony/startup_bootstrap_lite"]
-         "project-path":["base/startup/appspawn_lite", "base/startup/bootstrap_lite"]
+         "sig-name":"sig-kernel",
+         "projects":"https://gitee.com/openharmony/third_party_littlefs",
+         "project-path":"third_party/littlefs"
       },
    ]
 }