diff --git a/diopi_test/python/conformance/gen_input.py b/diopi_test/python/conformance/gen_input.py
index 63e981650..8c7afe419 100644
--- a/diopi_test/python/conformance/gen_input.py
+++ b/diopi_test/python/conformance/gen_input.py
@@ -68,6 +68,7 @@ def run(
             try:
                 case_dict = GenParas(each_cfg_dict).gen_data()
                 with open(os.path.join(input_path, case_name), "wb") as f:
+                    print("in genipt, case_name:", case_name)
                     pickle.dump(case_dict, f)
                 case_counter += 1
                 logger.info(
diff --git a/diopi_test/python/conformance/gen_output.py b/diopi_test/python/conformance/gen_output.py
index b42e96960..7466e24e0 100644
--- a/diopi_test/python/conformance/gen_output.py
+++ b/diopi_test/python/conformance/gen_output.py
@@ -73,6 +73,7 @@ def run(
                 GenOutputData.db_case_items[case_name] = item
             if output is not None:
                 with open(os.path.join(output_path, case_name), "wb") as f:
+                    print("in genopt, case_name:", case_name)
                     pickle.dump(GenOutputData.to_numpy(output), f, protocol=4)
                     logger_str = "output"
                     case_counter += 1
diff --git a/diopi_test/python/main.py b/diopi_test/python/main.py
index 1de8653f9..815778400 100644
--- a/diopi_test/python/main.py
+++ b/diopi_test/python/main.py
@@ -186,6 +186,7 @@ def parse_args():
         if args.pytest_args is not None:
             pytest_args.extend(args.pytest_args.split())
         pytest_args = ['--cache-clear', '--disable-warnings'] + pytest_args
+        print("pytest_args:", pytest_args)
         exit_code = pytest.main(pytest_args)
         if exit_code != 0:
             raise SystemExit(exit_code)