diff --git a/run.py b/run.py
index cce45bc..75148e3 100644
--- a/run.py
+++ b/run.py
@@ -218,7 +218,7 @@ def test(args: argparse.Namespace, test_all_meta: dict) -> None:
                     f.write("\n")
 
     env.close()
-    logger.info(f"Average score: {sum(scores) / len(scores)}")
+    logger.info(f"Average score: {sum(scores) / len(scores) if scores else 0}")
 
 
 def get_unfinished(
diff --git a/run_autoglm.py b/run_autoglm.py
index 8b161c7..5776886 100644
--- a/run_autoglm.py
+++ b/run_autoglm.py
@@ -457,7 +457,7 @@ def test(args: argparse.Namespace, test_all_meta: dict) -> None:
                     f.write("\n")
 
     env.close()
-    logger.info(f"Average score: {sum(scores) / len(scores)}")
+    logger.info(f"Average score: {sum(scores) / len(scores) if scores else 0}")
 
 
 def get_unfinished(action_space, use_model, observation_type, result_dir, total_file_json):
diff --git a/run_autoglm_v.py b/run_autoglm_v.py
index 31794ea..0f95af0 100644
--- a/run_autoglm_v.py
+++ b/run_autoglm_v.py
@@ -485,7 +485,7 @@ def test(args: argparse.Namespace, test_all_meta: dict) -> None:
                     f.write("\n")
 
     env.close()
-    logger.info(f"Average score: {sum(scores) / len(scores)}")
+    logger.info(f"Average score: {sum(scores) / len(scores) if scores else 0}")
 
 
 def get_unfinished(action_space, use_model, observation_type, result_dir, total_file_json):