diff --git a/.ci/docker-compose-file/python/pytest.sh b/.ci/docker-compose-file/python/pytest.sh
index 4579691b3..c079a65a4 100755
--- a/.ci/docker-compose-file/python/pytest.sh
+++ b/.ci/docker-compose-file/python/pytest.sh
@@ -9,7 +9,8 @@ set +e
 EMQX_TEST_DB_BACKEND=$1
 if [ "$EMQX_TEST_DB_BACKEND" = "rlog" ]
 then
-  # target only replica to avoid replication races
+  # TODO: target only replica to avoid replication races
+  # see: https://github.com/emqx/emqx/issues/6094
   TARGET_HOST="node2.emqx.io"
 else
   # use loadbalancer