diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index a86398ee1..8e279d82b 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -510,7 +510,7 @@ func (s *groupServer) GetGroupAllMember(ctx context.Context, req *pbGroup.GetGro
 			resp.MemberList = append(resp.MemberList, &node)
 		}
 	}
-	log.NewInfo(req.OperationID, "GetGroupAllMember rpc return ", resp.String())
+	log.NewInfo(req.OperationID, "GetGroupAllMember rpc return ", len(resp.MemberList))
 	return &resp, nil
 }