diff --git a/train/train_food_classifier.py b/train/train_food_classifier.py
index e736e8e..968eaf3 100644
--- a/train/train_food_classifier.py
+++ b/train/train_food_classifier.py
@@ -199,6 +199,13 @@ if __name__ == '__main__':
         if val_acc > best_val_acc:
             best_val_acc = val_acc
             best_model_path = settings.BEST_MODEL_PATH
+            
+            # 检查并创建模型保存目录
+            model_dir = os.path.dirname(best_model_path)
+            if not os.path.exists(model_dir):
+                os.makedirs(model_dir)
+                print(f"创建模型保存目录: {model_dir}")
+            
             torch.save(model.state_dict(), settings.BEST_MODEL_PATH)
             print(f'保存最佳模型，验证准确率: {best_val_acc:.2f}%')