diff --git a/app/services/plan_generator.py b/app/services/plan_generator.py
index 6d4facf..99562cb 100644
--- a/app/services/plan_generator.py
+++ b/app/services/plan_generator.py
@@ -206,7 +206,7 @@ def generate_ai_report(
         prompt_template = config.get("prompt_template", "")
 
     if not api_key:
-        return None, "未配置API Key，请在设置页面配置"
+        return None, None, "未配置API Key，请在设置页面配置", None
 
     # 从问题文件内容中提取关键信息
     def extract_problem_info(content_str):