diff --git a/signatures/openim-sdk-cpp/cla.json b/signatures/openim-sdk-cpp/cla.json
index 18d5487..dec3bf0 100644
--- a/signatures/openim-sdk-cpp/cla.json
+++ b/signatures/openim-sdk-cpp/cla.json
@@ -1,3 +1,12 @@
 {
-   "signedContributors": []
+  "signedContributors": [
+    {
+      "name": "yj12138",
+      "id": 58063150,
+      "comment_id": 2028533037,
+      "created_at": "2024-03-31T02:32:59Z",
+      "repoId": 654832084,
+      "pullRequestNo": 9
+    }
+  ]
 }
\ No newline at end of file