diff --git a/apps/entities/record.py b/apps/entities/record.py
index 6322cb106bc6d18bc92e4145d5c9d86b8f6c221e..a0747ba22141a21a629f176ce65108c8de46f5ed 100644
--- a/apps/entities/record.py
+++ b/apps/entities/record.py
@@ -86,7 +86,7 @@ class RecordData(BaseModel):
     flow: RecordFlow | None = None
     content: RecordContent
     metadata: RecordMetadata
-    comment: RecordComment
+    comment: RecordComment= Field(default=RecordComment())
     created_at: float = Field(alias="createdAt")
 
 
diff --git a/apps/manager/flow.py b/apps/manager/flow.py
index 80a046dc3af1bb72da97bd519ad29ac410894e3f..d67a556af2ce98555d3141df904a89dc3621d184 100644
--- a/apps/manager/flow.py
+++ b/apps/manager/flow.py
@@ -418,8 +418,9 @@ class FlowManager:
                 error_msg = f"[FlowManager] 流 {flow_id} 不存在；可能为新创建"
                 logger.error(error_msg)
             else:
-                flow_config.debug = await FlowManager.is_flow_config_equal(old_flow_config, flow_config)
-                await flow_loader.save(app_id, flow_id, flow_config)
+                if flow_config.debug:
+                    flow_config.debug = await FlowManager.is_flow_config_equal(old_flow_config, flow_config)
+            await flow_loader.save(app_id, flow_id, flow_config)
         except Exception:
             logger.exception("[FlowManager] 存储/更新流失败")
             return None