diff --git a/experiencemaker/module/context_generator/step_context_generator.py b/experiencemaker/module/context_generator/step_context_generator.py
index 6a16bd72..31041483 100644
--- a/experiencemaker/module/context_generator/step_context_generator.py
+++ b/experiencemaker/module/context_generator/step_context_generator.py
@@ -291,7 +291,7 @@ class StepContextGenerator(BaseContextGenerator, PromptMixin):
             return [int(num) for num in numbers]
 
         except Exception as e:
-            logger.error(f"Error parsing rerank response: {e}")
+            logger.exception(f"Error parsing rerank response: {e}")
             return []
 
     def _format_experiences_for_context(self, experiences: List[VectorStoreNode]) -> str:
diff --git a/experiencemaker/module/summarizer/step_summarizer.py b/experiencemaker/module/summarizer/step_summarizer.py
index ae7afaa7..90333417 100644
--- a/experiencemaker/module/summarizer/step_summarizer.py
+++ b/experiencemaker/module/summarizer/step_summarizer.py
@@ -362,7 +362,12 @@ class StepSummarizer(BaseSummarizer, PromptMixin):
             # Parse validation result
             is_valid = "valid" in response_content.lower() and "invalid" not in response_content.lower()
             score_match = re.search(r'score[:\s]*([0-9.]+)', response_content.lower())
-            score = float(score_match.group(1)) if score_match else 0.5
+
+            # add by jinli 0620
+            try:
+                score = float(score_match.group(1)) if score_match else 0.5
+            except Exception:
+                score = -1
 
             return {
                 "is_valid": is_valid and score > 0.3,