diff --git a/.autograde/generate_pdf_report.py b/.autograde/generate_pdf_report.py
index 4b8ab97..885836c 100644
--- a/.autograde/generate_pdf_report.py
+++ b/.autograde/generate_pdf_report.py
@@ -275,8 +275,8 @@ def generate_grade_page(final_grade):
'''
-def get_css_styles(watermark_text=""):
- """获取 PDF 样式，包含水印"""
+def get_css_styles(watermark_text="", commit_sha=""):
+ """获取 PDF 样式，包含水印和版本标记"""
# 水印样式
watermark_css = ""
@@ -311,11 +311,24 @@ def get_css_styles(watermark_text=""):
}}
'''
+ # 版本标记（右上角）
+ commit_marker = ""
+ if commit_sha:
+ short_sha = commit_sha[:7] if len(commit_sha) > 7 else commit_sha
+ commit_marker = f'''
+ @top-right {{
+ content: "{short_sha}";
+ font-size: 8pt;
+ color: #999;
+ font-family: 'Consolas', 'Monaco', monospace;
+ }}
+ '''
+
return f'''
@page {{
size: A4;
margin: 2cm 2.5cm;
-
+ {commit_marker}
@bottom-center {{
content: counter(page);
font-size: 10pt;
@@ -704,7 +717,7 @@ def create_full_html(args, final_grade, student_info):
Java程序设计 - 期末大作业报告
-
+
{generate_cover_page(student_id, student_name, class_name)}