From f7aa8eec54867fbd2923da564abe84ccdd173a37 Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Tue, 17 Mar 2026 11:10:16 +0800
Subject: [PATCH] bugfix

---
 dagflow/dagflow.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dagflow/dagflow.py b/dagflow/dagflow.py
index ba7d5d7..229be18 100644
--- a/dagflow/dagflow.py
+++ b/dagflow/dagflow.py
@@ -362,6 +362,8 @@ where backid=${backid}$
 
 		for node_id, ctx_ext in nnodes:
 			node = dsl['nodes'][node_id]
+			if isinstance(ctx_ext, dict) or isinstance(ctx_ext, list):
+				ctx_ext = json.dumps(ctx_ext, ensure_ascii=False)
 			x = await self.is_ok_to_create_new_node_exe(sor, node, edge, inst)
 			if x:
 				env = ServerEnv()
@@ -375,8 +377,8 @@ where backid=${backid}$
 					'input_ctx': node.get('input_ctx'),
 					'output_ctx': node.get('output_ctx'),
 					'status': 'pending',
-					'ctx': json.dumps(inst.ctx.copy(), ensure_ascii=False),
-					'ctx_ext': json.dumps(ctx_ext.copy(), ensure_ascii=False),
+					'ctx': inst.ctx,
+					'ctx_ext': ctx_ext,
 					'created_at': timestampstr()
 				}
 				if node['type'] == 'human':