diff --git a/tests/ci/run_check.py b/tests/ci/run_check.py
index 6f00232be77..bda3cf40bba 100644
--- a/tests/ci/run_check.py
+++ b/tests/ci/run_check.py
@@ -255,6 +255,7 @@ if __name__ == "__main__":
     elif SUBMODULE_CHANGED_LABEL in pr_info.labels:
         pr_labels_to_remove.append(SUBMODULE_CHANGED_LABEL)
 
+    print("change labels: add {}, remove {}".format(pr_labels_to_add, pr_labels_to_remove))
     if pr_labels_to_add:
         post_labels(gh, pr_info, pr_labels_to_add)