diff --git a/rag/codes/chapter10/distill_deepseek_r1.py b/rag/codes/chapter10/distill_deepseek_r1.py
index cb9c9f4..21d737c 100644
--- a/rag/codes/chapter10/distill_deepseek_r1.py
+++ b/rag/codes/chapter10/distill_deepseek_r1.py
@@ -120,7 +120,7 @@ def main(techer_name, student_name, dataset_name, demo=False, sft_data_path=None
     student_model.update()
 
     # Score
-    score = caculate_score(eval_set, student_model.eval_result)
+    score = calculate_score(eval_set, student_model.eval_result)
     print("All Done. Score is: ", score)
 
 if __name__ == '__main__':
diff --git a/rag/notebook/chapter19/19.ipynb b/rag/notebook/chapter19/19.ipynb
index aced92b..a7a8c0f 100644
--- a/rag/notebook/chapter19/19.ipynb
+++ b/rag/notebook/chapter19/19.ipynb
@@ -13,7 +13,7 @@
    "id": "2415728a",
    "metadata": {},
    "source": [
-    "## 过场介绍"
+    "## 前言"
    ]
   },
   {