diff --git a/apps/api/src/api/v1/webhooks.py b/apps/api/src/api/v1/webhooks.py
index 710fcd1dd..3d271f26d 100644
--- a/apps/api/src/api/v1/webhooks.py
+++ b/apps/api/src/api/v1/webhooks.py
@@ -1194,11 +1194,11 @@ async def alertmanager_webhook(
 
         if analysis_result:
             # analysis_result 是 OpenClawDecision Pydantic 模型
-            risk_level = analysis_result.risk_level.value  # e.g., "low", "medium", "critical"
+            risk_level = analysis_result.risk_level.value  # enum → "low", "medium", "critical"
             action = f"{analysis_result.action_title} | {analysis_result.kubectl_command}"
             root_cause = analysis_result.description or message
             estimated_downtime = analysis_result.blast_radius.estimated_downtime if analysis_result.blast_radius else "~30s"
-            primary_responsibility = analysis_result.primary_responsibility.value if hasattr(analysis_result, 'primary_responsibility') and analysis_result.primary_responsibility else "COLLAB"
+            primary_responsibility = analysis_result.primary_responsibility or "COLLAB"  # 已是 str
             confidence = analysis_result.confidence
 
             # 建立 ApprovalRecord