遇到问题-OpenClaw -Agent failed before reply: 410 status code (no body). Logs: openclaw logs --follow

环境：Windows + OpenClaw 2026.7.1-2，模型网关走 NVIDIA NIM（https://integrate.api.nvidia.com/v1），OpenAI 兼容接口（openai-completions）。一、遇到的问题情况在 OpenClaw 控制台（webchat）里发消息，Agent 直接报错，没有任何回复：Embedded agent failed before reply: 410 status code (no body)打开日志（openclaw logs --follow）定位到关键几行：[model-fetch] start provider=nvidia api=openai-completions model=stepfun-ai/step-3.5-flash method=POST url=https://integrate.api.nvidia.com/v1/chat/completions [model-fetch] response ... status=410 elapsedMs=599 contentType=application/problem+json embedded run agent end: isError=true model=stepfun-ai/step-3.5-flash provider=nvidia error=LLM request failed. rawError=410 status code (no body)