diff --git a/repository/openeuler.yaml b/repository/openeuler.yaml
index ba3f5b09ca913404601a4bc075112c2dd1ae111f..af76034dc10165b618fd470bb45eb910f0fb0815 100644
--- a/repository/openeuler.yaml
+++ b/repository/openeuler.yaml
@@ -85,7 +85,7 @@ repositories:
   description: ""
   protected_branches:
   - master
-  type: private
+  type: public
 - name: iSulad
   description: ""
   protected_branches:
@@ -260,4 +260,10 @@ repositories:
   description: "A free and open-source compatibility layer that aims to allow mobile applications and mobile games developed for Android to run on GNU/Linux distributions"
   protected_branches:
   - master
-  type: public
\ No newline at end of file
+  type: public
+- name: release-management
+  description: "release management including key features, release plan, development and branch plan, release scope and notes
+"
+  protected_branches:
+  - master
+  type: public
diff --git a/sig/sig-releasemanagement/OWNERS b/sig/sig-releasemanagement/OWNERS
new file mode 100644
index 0000000000000000000000000000000000000000..df01f7852022e3d9ec182149e4d94b2eb9ba9bfd
--- /dev/null
+++ b/sig/sig-releasemanagement/OWNERS
@@ -0,0 +1,3 @@
+maintainers:
+  - zyp-rock
+  - yumin_jiang
diff --git a/sig/sig-releasemanagement/README.md b/sig/sig-releasemanagement/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..3aeb848e537595cc5e54b0684f8c5c0f5934c28b
--- /dev/null
+++ b/sig/sig-releasemanagement/README.md
@@ -0,0 +1,26 @@
+# sig-releasemanagement
+- key requirement and feature management
+- release plan, development plan, branch plan
+- development process and risk management
+- release and release notes
+
+# meeting
+- to discuss and decide
+
+# member
+
+### Maintainer
+- zyp[@zyp-rock](https://gitee.com/zyp-rock)
+- yumin_jiang[@yumin_jiang](https://gitee.com/yumin_jiang)
+
+### Committer
+- zyp[@zyp-rcok](https://gitee.com/zyp-rock)
+- yumin_jiang[@yumin_jiang](https://gitee.com/yumin_jiang)
+- Ronnie_Jiang[@Ronnie_Jiang](https://gitee.com/Ronnie_Jiang)
+- ChenYaqiang[@yaqiangchen](https://gitee.com/yaqiangchen)
+
+# communication
+- maillist: <dev@openeuler.org>
+
+# repository
+- openeuler/release-management
diff --git a/sig/sig-releasemanagement/sig-releasemanagement.md b/sig/sig-releasemanagement/sig-releasemanagement.md
new file mode 100644
index 0000000000000000000000000000000000000000..6aa0880e0f6d9134d9b610c58e4012edb2f762ae
--- /dev/null
+++ b/sig/sig-releasemanagement/sig-releasemanagement.md
@@ -0,0 +1,27 @@
+
+# openEuler Releasemanagement SIG
+
+The openEuler ReleaseManagement SIG aims at development and release management, including plan, requirement, issue, risk and so on.
+
+## SIG Mission and Scope
+
+- requirement and feature management
+
+- release plan, development plan
+
+- development process and risk managemnet
+
+- release scope management, release note
+
+
+### Deliverables
+ 
+- key requirement and feature
+
+- project and release roadmap
+
+- release and release notes
+
+### repository
+- openeuler/release-management
+
diff --git a/sig/sigs.yaml b/sig/sigs.yaml
index 750b534471902e7709c160045520d2d5198677b8..6491f3131254e8c371a1e89b33bccca7874bcdea 100644
--- a/sig/sigs.yaml
+++ b/sig/sigs.yaml
@@ -2149,7 +2149,6 @@ sigs:
   - src-openeuler/classmate
   - src-openeuler/codenarc
   - src-openeuler/compat-libgfortran
-  - src-openeuler/compat-openssl10
   - src-openeuler/cvsps
   - src-openeuler/cyrus-imapd
   - src-openeuler/dain-snappy
@@ -2857,34 +2856,68 @@ sigs:
 - name: sig-mate-desktop
   repositories:
   - openeuler/mate-desktop
-  - src-openeuler/mate-desktop
-  - src-openeuler/mate-common
-  - src-openeuler/mate-control-center
   - src-openeuler/caja
   - src-openeuler/caja-extensions
-  - src-openeuler/mate-system-monitor
-  - src-openeuler/mate-backgrounds
-  - src-openeuler/mate-utils
-  - src-openeuler/mate-settings-daemon
-  - src-openeuler/mate-screensaver
-  - src-openeuler/mate-session-manager
-  - src-openeuler/mate-panel
-  - src-openeuler/mate-polkit
-  - src-openeuler/mate-power-manager
+  - src-openeuler/cjkuni-uming-fonts
+  - src-openeuler/eom
+  - src-openeuler/exo
+  - src-openeuler/fcitx-configtool
+  - src-openeuler/gajim
+  - src-openeuler/gcolor2
+  - src-openeuler/glade3
+  - src-openeuler/gparted
+  - src-openeuler/gtk-layer-shell
+  - src-openeuler/gtk-murrine-engine
+  - src-openeuler/gtk2-engines
+  - src-openeuler/gtksourceview4
+  - src-openeuler/gucharmap
+  - src-openeuler/im-chooser
+  - src-openeuler/libXpresent
+  - src-openeuler/libmatekbd
+  - src-openeuler/libmatemixer
+  - src-openeuler/libmateweather
+  - src-openeuler/libwnck
+  - src-openeuler/libxfce4ui
+  - src-openeuler/libxfce4util
+  - src-openeuler/lightdm
+  - src-openeuler/lightdm-gtk
+  - src-openeuler/marco
   - src-openeuler/mate-applets
-  - src-openeuler/mate-themes
-  - src-openeuler/mate-icon-theme
+  - src-openeuler/mate-backgrounds
   - src-openeuler/mate-calc
+  - src-openeuler/mate-common
+  - src-openeuler/mate-control-center
+  - src-openeuler/mate-desktop
+  - src-openeuler/mate-icon-theme
   - src-openeuler/mate-media
   - src-openeuler/mate-menus
   - src-openeuler/mate-notification-daemon
+  - src-openeuler/mate-panel
+  - src-openeuler/mate-polkit
+  - src-openeuler/mate-power-manager
+  - src-openeuler/mate-screensaver
+  - src-openeuler/mate-session-manager
+  - src-openeuler/mate-settings-daemon
+  - src-openeuler/mate-system-monitor
   - src-openeuler/mate-terminal
+  - src-openeuler/mate-themes
   - src-openeuler/mate-user-guide
-  - src-openeuler/libmateweather
-  - src-openeuler/libmatemixer
-  - src-openeuler/libmatekbd
-  - src-openeuler/eom
-  - src-openeuler/marco
+  - src-openeuler/mate-utils
+  - src-openeuler/open-chinese-fonts
+  - src-openeuler/pangox-compat
+  - src-openeuler/perl-ExtUtils-Depends
+  - src-openeuler/perl-ExtUtils-PkgConfig
+  - src-openeuler/perl-Glib
+  - src-openeuler/python-cssutils
+  - src-openeuler/python-nbxmpp
+  - src-openeuler/python-precis_i18n
+  - src-openeuler/re2c
+  - src-openeuler/system-config-users
+  - src-openeuler/system-config-users-docs
+  - src-openeuler/unique3
+  - src-openeuler/wireless-tools
+  - src-openeuler/xfconf
+
 - name: sig-bounds_checking_function
   repositories:
   - openeuler/bounds_checking_function
@@ -2926,6 +2959,9 @@ sigs:
   repositories:
   - openeuler/raspberrypi
   - openeuler/raspberrypi-kernel
+  - src-openeuler/raspberry-kernel
+  - src-openeuler/raspberry-firmware
+  - src-openeuler/raspberry-build
 - name: sig-Ha
   repositories:
   - src-openeuler/pacemaker
@@ -2951,6 +2987,7 @@ sigs:
   - openeuler/tp-libvirt
   - openeuler/tp-qemu
   - openeuler/EulerRobot
+  - openeuler/integration-test
 - name: sig-ROS
   repositories:
   - openeuler/ros
@@ -3048,6 +3085,7 @@ sigs:
   - src-openeuler/audit
   - src-openeuler/nss-pem
   - src-openeuler/tpm2-abrmd-selinux
+  - src-openeuler/compat-openssl10
 - name: sig-Compatibility-Infra
   repositories:
   - openeuler/oec-hardware
@@ -3064,3 +3102,9 @@ sigs:
   repositories:
   - openeuler/android-emulator
   - openeuler/anbox
+- name: sig-python-modules
+  repositories:
+  - src-openeuler/python-zarr
+- name : sig-releasemanagement
+  repositories:
+  - openeuler/release-management