diff --git a/dco-signatures.json b/dco-signatures.json
index cb0a5e796..b6b95450b 100644
--- a/dco-signatures.json
+++ b/dco-signatures.json
@@ -319,6 +319,14 @@
       "created_at": "2026-04-22T13:34:38Z",
       "repoId": 1166129534,
       "pullRequestNo": 914
+    },
+    {
+      "name": "laitingsheng",
+      "id": 6479328,
+      "comment_id": 4298492317,
+      "created_at": "2026-04-22T17:18:21Z",
+      "repoId": 1166129534,
+      "pullRequestNo": 918
     }
   ]
 }
\ No newline at end of file