diff --git a/app/question_gen/synthesizer.py b/app/question_gen/synthesizer.py
index bcc7bc5..058ab2e 100644
--- a/app/question_gen/synthesizer.py
+++ b/app/question_gen/synthesizer.py
@@ -737,7 +737,7 @@ async def generate_one(
                 source_nodes=(anchor.node_id,),
                 difficulty="medium",
             )
-        except (ValueError, KeyError) as exc:
+        except Exception as exc:
             logger.warning(
                 "generate_one 尝试 {}/{} 失败 ({}): {}",
                 attempt + 1,