Bug Description

设计了一个工作流，接入了大模型，整个调试能跑通和发布，但是单个节点测试大模型报错。
在黑客松现场，与技术人员一起发现，调试报错，返回错误为：
{
"code": 20380,
"message": "External large model request failed",
"id": "spf001f00f8@hf19d3348ced0000a782",
"created": 1774682026,
"workflow_step": {
"seq": 1,
"progress": 1.0
},
"choices": [
{
"delta": {
"role": "assistant",
"content": "",
"reasoning_content": ""
},
"index": 0,
"finish_reason": "stop"
}
],
"usage": {
"completion_tokens": 0,
"prompt_tokens": 0,
"total_tokens": 0
}
}

Severity Level

High - major feature broken, significant impact

Reproduction Rate

None

Component / Module

• Core Agent
• API
• UI / Frontend
• Documentation
• Installation / Setup
• Other (describe below)

Steps to Reproduce

1、创建工作流智能体，并连接大模型
2、跑通智能体
3、回头单独测试大模型节点，出现错误

Expected vs Actual Behavior

解决BUG

Environment

本地环境搭建，mac

Impact

No response

Logs / Screenshots

Possible Fix

No response