diff --git a/brep2sdf/config/default_config.py b/brep2sdf/config/default_config.py
index 55f47bd..12c0a18 100644
--- a/brep2sdf/config/default_config.py
+++ b/brep2sdf/config/default_config.py
@@ -40,7 +40,7 @@ class DataConfig:
 class TrainConfig:
     """训练相关配置"""
     # 基本训练参数
-    batch_size: int = 32
+    batch_size: int = 1
     num_workers: int = 4
     num_epochs: int = 100
     learning_rate: float = 1e-4