diff --git a/platform/sts/sts.proto b/platform/sts/sts.proto
index c026b42..a7ec6e6 100644
--- a/platform/sts/sts.proto
+++ b/platform/sts/sts.proto
@@ -107,6 +107,7 @@ message SendMessageReq {
   string sourceContent = 4;
   string commentText = 5;
   int64 createAt = 6;
+  basic.UserMeta user = 7;
 }
 
 message SendMessageResp {