diff --git a/sigs/Graph/OWNERS b/sigs/Graph/OWNERS
index d208b6b34040fcdb9fffc1e0934dd01238f6681b..96ae9f2862a4c515f97129aaf9eff873c76cb8bc 100644
--- a/sigs/Graph/OWNERS
+++ b/sigs/Graph/OWNERS
@@ -1,7 +1,7 @@
 maintainers:
   - xinwang-tju
-  - szhmvp
-  - linwang-tf
+  - jia-yongzhe
+  - lordvv
 committers:
   - chenzhang_cl
   - bohanlinuaa
diff --git a/sigs/OM/OWNERS b/sigs/OM/OWNERS
index 2482a659c6e5dd248b61fc3e7d3ab5e559c89fab..f190d758b5806905a2f046f565dd1a76cc065721 100644
--- a/sigs/OM/OWNERS
+++ b/sigs/OM/OWNERS
@@ -7,3 +7,4 @@ committers:
   - travelliu
   - vimiix
   - liu_hui0228
+  - zhang_xubo
diff --git a/sigs/OM/README.md b/sigs/OM/README.md
index 8b2bf86c4b9b8ea1f1ba1cfb99495abb54b8ab33..45087debbb8780e81536e1dbe8250d21ee504e09 100644
--- a/sigs/OM/README.md
+++ b/sigs/OM/README.md
@@ -19,6 +19,7 @@ OM SIG 致力于openGauss的安装、维护。
 - 刘斌[@travelliu](https://gitee.com/travelliu), *travel.liu@outlook.com*
 - 姚前[@vimiix](https://gitee.com/vimiix) *i@vimiix.com*
 - 刘珲[@liu_hui0228](https://gitee.com/liu_hui0228) *liu_hui0228@163.com*
+- 张旭博[@zhang_xubo](https://gitee.com/zhang_xubo) *zhangxubo1@huawei.com*
 
 # 联系方式