diff --git a/sig/sig-devboard/sig_devboard.md b/sig/sig-devboard/sig_devboard.md
index a4b716633dc9108597208a2c62ae35d6999d3596..682c1112ca8e5a3d549af1e4344b4bfa08cddffb 100644
--- a/sig/sig-devboard/sig_devboard.md
+++ b/sig/sig-devboard/sig_devboard.md
@@ -96,6 +96,8 @@ Note: The content of this SIG follows the convention described in OpenHarmony's
   - talkweb: https://gitee.com/openharmony-sig/devboard_device_talkweb_niobe
   - talkweb: https://gitee.com/openharmony-sig/devboard_vendor_talkweb
   - raspberrypi : https://gitee.com/openharmony-sig/devboard_vendor_rpi3b
+  - Unionman: https://gitee.com/openharmony-sig/device_unionpi
+  - Unionman: https://gitee.com/openharmony-sig/vendor_unionpi
 
 ## SIG Members
 
diff --git a/sig/sig-devboard/sig_devboard_cn.md b/sig/sig-devboard/sig_devboard_cn.md
index 6f4f5ff6e2e6ef641e746e2df008d905f4312442..d7a4d4b5e0f51690e49388123399642df90470e4 100644
--- a/sig/sig-devboard/sig_devboard_cn.md
+++ b/sig/sig-devboard/sig_devboard_cn.md
@@ -97,6 +97,8 @@
   - talkweb: https://gitee.com/openharmony-sig/devboard_device_talkweb_niobe
   - talkweb: https://gitee.com/openharmony-sig/devboard_vendor_talkweb
   - raspberrypi : https://gitee.com/openharmony-sig/devboard_vendor_rpi3b
+  - Unionman: https://gitee.com/openharmony-sig/device_unionpi
+  - Unionman: https://gitee.com/openharmony-sig/vendor_unionpi
 
 ## SIG组成员
 
diff --git a/sig/sigs.json b/sig/sigs.json
index fcb6886bf9cc238f9d7263066d6e277133f23d12..7337adca081927aec33f45f18beed8525936ce51 100644
--- a/sig/sigs.json
+++ b/sig/sigs.json
@@ -80,6 +80,8 @@
                 "https://gitee.com/openharmony-sig/devboard_device_talkweb_niobe",
                 "https://gitee.com/openharmony-sig/devboard_vendor_talkweb",
                 "https://gitee.com/openharmony-sig/devboard_vendor_rpi3b"
+                "https://gitee.com/openharmony-sig/device_unionpi",
+                "https://gitee.com/openharmony-sig/vendor_unionpi"
          ],
          "project-path":[
                 "device/st",
@@ -135,6 +137,8 @@
                 "device/talkweb/niobe",
                 "vendor/talkweb",
                 "vendor/rpi3"
+				"device/unionman/unionpi",
+				"vendor/unionman/unionpi"
          ]
       },
       {