diff --git a/sig/sig-security/OWNERS b/sig/sig-security/OWNERS
index a0c9e619b9285906468e1432b51a7a9e76cc0f55..53aa2aaf0b47637538b372ff943e8d0f76a471b0 100644
--- a/sig/sig-security/OWNERS
+++ b/sig/sig-security/OWNERS
@@ -21,6 +21,9 @@
       {
          "gitee_id":"jiang-xiaofeng",
          "gitee_email":"jiangxiaofeng8@huawei.com"
-      }
+      },
+	  {  "gitee_id":"shangxuan_hz",
+         "gitee_email":"shangxuan_hz@163.com"
+	  }
    ]
 }
\ No newline at end of file
diff --git a/sig/sig-security/sig_security.md b/sig/sig-security/sig_security.md
index 56f73c0fcc61f751810bad46e75a5eef62de089f..f0bd88fb0ec8e2eb94ac2ca9adf54936867f0e7a 100644
--- a/sig/sig-security/sig_security.md
+++ b/sig/sig-security/sig_security.md
@@ -19,6 +19,7 @@ OpenHarmony security sbusystem, including application permissions, application s
   - appverify：https://gitee.com/openharmony/security_appverify
   - app_permission:https://gitee.com/openharmony/security_permission
   - selinux:https://gitee.com/openharmony-sig/third_party_selinux
+  - block_chain:https://gitee.com/openharmony-sig/security_block_chain
 
 
 ## SIG Members
@@ -31,6 +32,7 @@ OpenHarmony security sbusystem, including application permissions, application s
 - @Chaos-Liang(https://gitee.com/Chaos-Liang)
 - @xuwenfang(https://gitee.com/xuwenfang)
 - @jiang-xiaofeng(https://gitee.com/jiang-xiaofeng)
+- @shangxuan_hz(https://gitee.com/shangxuan_hz)
 
  ### Meetings
 - Meeting time：Bi-weekly meeting, Monday 19:15 pm, UTC+8
diff --git a/sig/sig-security/sig_security_cn.md b/sig/sig-security/sig_security_cn.md
index a76cdc78eefa28be9e9283a759fa74b1dea6c8e7..fdb6c906a4ed89f375e8bd36bd6b642824a4e007 100644
--- a/sig/sig-security/sig_security_cn.md
+++ b/sig/sig-security/sig_security_cn.md
@@ -19,6 +19,7 @@ OpenHarmony安全业务,包括应用权限、应用签名、设备认证和密
   - appverify：https://gitee.com/openharmony/security_appverify
   - app_permission:https://gitee.com/openharmony/security_permission
   - selinux:https://gitee.com/openharmony-sig/third_party_selinux
+  - block_chain:https://gitee.com/openharmony-sig/security_block_chain
 
 ## SIG组成员
 
@@ -30,6 +31,7 @@ OpenHarmony安全业务,包括应用权限、应用签名、设备认证和密
 - @Chaos-Liang(https://gitee.com/Chaos-Liang)
 - @xuwenfang(https://gitee.com/xuwenfang)
 - @jiang-xiaofeng(https://gitee.com/jiang-xiaofeng)
+- @shangxuan_hz(https://gitee.com/shangxuan_hz)
 
 ### 会议
  - 会议时间：双周例会，周一晚上19:15，UTC+8
diff --git a/sig/sigs.json b/sig/sigs.json
index 783024d2c655acf9d38e73c617e75ca4bd3ae2b7..403325b5fabfafd97b4168d7fb46c6716c2022bd 100644
--- a/sig/sigs.json
+++ b/sig/sigs.json
@@ -364,6 +364,7 @@
              "https://gitee.com/openharmony/security_appverify",
              "https://gitee.com/openharmony/security_permission",
              "https://gitee.com/openharmony-sig/third_party_selinux"
+			 "https://gitee.com/openharmony-sig/security_block_chain"
          ],
          "project-path":[
              "base/security/deviceauth",
@@ -372,6 +373,7 @@
              "base/security/appverify",
              "base/security/permission",
              "third_party/selinux"
+			 "NONE"
          ]
       }
    ]