diff --git a/autograde/grade_grouped.py b/autograde/grade_grouped.py
index c01a0f4..3a3587c 100644
--- a/autograde/grade_grouped.py
+++ b/autograde/grade_grouped.py
@@ -24,6 +24,8 @@ def parse_args():
 
 def load_test_groups(groups_file: str) -> Dict[str, Dict[str, any]]:
     """加载测试分组配置"""
+    # 直接写死文件在容器里的绝对路径（从报错里的路径推导）
+    groups_file = "/workspace/liyitian/231106111-lyt/autograde/test_groups.json"
     with open(groups_file, 'r', encoding='utf-8') as f:
         return json.load(f)