From 485113ae43db9d35bbec3fe6c892f3735f79cc92 Mon Sep 17 00:00:00 2001
From: WODE25500 <2550012136@QQ.COM>
Date: Wed, 9 Sep 2026 15:46:26 +0800
Subject: [PATCH] fix: default Langflow tweaks to empty object when unset
 (#2519)

Co-authored-by: WODE25500 <318555974+WODE25500@users.noreply.github.com>
---
 src/langbot/pkg/provider/runners/langflowapi.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/langbot/pkg/provider/runners/langflowapi.py b/src/langbot/pkg/provider/runners/langflowapi.py
index 10c66df59..1658eda2e 100644
--- a/src/langbot/pkg/provider/runners/langflowapi.py
+++ b/src/langbot/pkg/provider/runners/langflowapi.py
@@ -90,7 +90,7 @@ class LangflowAPIRunner(runner.RequestRunner):
         }
 
         # 如果配置中有tweaks，则添加到负载中
-        tweaks = json.loads(self.pipeline_config['ai']['langflow-api'].get('tweaks'))
+        tweaks = json.loads(self.pipeline_config['ai']['langflow-api'].get('tweaks') or '{}')
         if tweaks:
             payload['tweaks'] = tweaks