diff --git a/sig/README.md b/sig/README.md
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@@ -1,7 +1,8 @@
# SIG管理章程
## 背景
-SIG(Special Interest Group)是指特别兴趣小组,SIG在PMC项目管理委员会指导下,负责OpenHarmony社区特定子领域及创新项目的架构设计、开源开发及项目维护等工作。
-本目录用于存放OpenHamony社区所有 “特别兴趣小组”(Special Interest Group,以下简称 SIG)的运作信息。
+1. SIG(Special Interest Group)是指特别兴趣小组,SIG在PMC项目管理委员会指导下,负责OpenHarmony社区特定子领域及创新项目的架构设计、开源开发及项目维护等工作。
+2. 为了便于OpenHarmony开源社区工作开展和交流,默认将其划分为23个初始的SIG小组:[Maps_Sigs_Subsystem](./sigs_subsystem_list.md)
+3. 本目录用于存放OpenHamony社区所有 “特别兴趣小组”(Special Interest Group,以下简称 SIG)的运作信息。
## 申请新建SIG
1. 开发者在社区中寻找2-3个以上有共同兴趣及目标的人,确定SIG Leader。参考[新建SIG Charter](sig-template/sig_template_cn.md)模板,创建SIG Charter提案。
diff --git a/sig/sigs_subsystem_list.md b/sig/sigs_subsystem_list.md
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+|NO|SIG Name|SIG Tag Name|SIG Leader|Level 1 Subsystem Name|
+| :----: | :----: | :----: | :----: | :----: |
+|1|SIG_AI|SIG_AI|[chenxiaoliang](https://gitee.com/silenchen)|L1S_AI|
+|2|SIG_API|SIG_API|[zhangyongzhi](https://gitee.com/karl-z)|L1S_BackwardCompatibleSDK
L1S_SDK|
+|3|SIG_Security|SIG_Security|[yangyongjie](yongjie.yan@huawei.com)|L1S_Security
L1S_BIOMETRICS|
+|4|SIG_CompileRuntime|SIG_CompileRuntime|[huanghuijin](https://gitee.com/huanghuijin)
[wangxing](https://gitee.com/wangxing-hw)|L1S_CCRuntime
L1S_Build
L1S_UTILS|
+|5|SIG_Test|SIG_Test|[niexin](https://gitee.com/nie-x)
[wangjuntao](https://gitee.com/buranfanchen)|L1S_Test|
+|6|SIG_DistributedHardwareManagement|SIG_HardwareMgr|[ligang](william.ligang@huawei.com)
[houpengfei](https://gitee.com/hhh2)|L1S_MSDP
L1S_PowerMgr
L1S_Sensors
L1S_USB
L1s_DistributedHardware
|
+|7|SIG_BasicSoftwareService|SIG_BasicSoftwareService|[zhangxiaotian](https://gitee.com/handyohos)
[liyu](https://gitee.com/ericlee)|L1S_DistributedSchedule
L1S_ResourceSchedule
L1S_StartUp
L1S_Notification
L1S_HiviewDFX
L1S_Update
L1S_Account
L1S_BarrierFree
L1S_MiscServices|
+|8|SIG_Kernel|SIG_Kernel|[lijiaxin](nina.lijiaxin@huawei.com)
[wangmihu](https://gitee.com/wangmihu2008)|L1S_Kernel|
+|9|SIG_DriverFramework|SIG_DriverFramework|[chenfeng](https://gitee.com/chenfeng469)|L1S_Drivers|
+|10|SIG_DataManagement|SIG_DataManagement|[gongashi](https://gitee.com/gong-a-shi)|L1S_DistributedDataMgr_DFS|
+|11|SIG_SoftBus|SIG_SoftBus|[houweibo](houweibo@huawei.com)
[chengguohong](https://gitee.com/cheng_guohong)|L1S_Communication
L1S_telepony
L1S_Location
L1S_Communication_HW
L1S_Communication_NetMgr|
+|12|SIG_GraphicsandMedia|SIG_GraphicsandMedia|[wangjun](wangjun145@huawei.com)
[tanliwen](https://gitee.com/tanliwen1)|L1S_Graphic_AGPEngine
L1S_MultiModalInput
L1S_MultiMedia
L2S_Graphic_AGPComponent
L3S_Graphic_AGPWindows|
+|13|SIG_SystemApplication|SIG_SysApplication|[wangfeng](https://gitee.com/nicolaswang)|L1S_Applications|
+|14|SIG_R&DToolChain|SIG_R&DToolChain|[wangzaishang](https://gitee.com/wangzaishang)|L1S_DevTools|
+|15|SIG_IVI|SIG_IVI|[guojinwei](guojinwei@huawei.com)|L1S_IVIHardware
L1S_IVI|
+|16|SIG_TV|SIG_TV|[zhangxiaotian](https://gitee.com/handyohos)|L1S_IntelliTV|
+|17|SIG_Wearable|SIG_Wearable|[wangxiangyang](walton.wang@huawei.com)|L1S_WearableHardware
L1S_Wearable|
+|18|SIG_ApplicationFramework|SIG_AppFramework|[qiangbo](https://gitee.com/huawei_qiangbo)
[niuhui](niuhui@huawei.com)|L1S_Global
L1S_AppExecFwk
L1S_AAFwk
L1S_ACE|
+|19|SIG_Docs|SIG_Docs|[yangni](https://gitee.com/neeen)|L1S_Docs|
+|20|SIG_Infrastructure|SIG_Infrastructure|[wangyiming](https://gitee.com/youthdragon)|NA|
+|21|SIG_QA|SIG_QA|[xingwenhua](https://gitee.com/xhuazi)|NA|
+|22|SIG_Architecture|SIG_Architecture|[rengelin](https://gitee.com/im-off-this-week)
[wanchengzhen](https://gitee.com/wanchengzhen)|NA|
+|23|SIG_Release|SIG_VersionRelease|[mazhanfu](https://gitee.com/fma66169)|NA|