VS Code Copilot 使用本地模型报错: Sorry, no response was returned.

请教下，有 v 友碰到过类似的问题吗，先谢谢了

• 背景：
  接入了本地的模型。问答模式没问题，但是 agent 模式下，经常生成一半后返回报错 Sorry, no response was returned.

	{

		"name": "llm.aa.aa",

		"vendor": "customendpoint",

		"apiKey": "${input:chat.lm.secret.458f85d5}",

		"apiType": "chat-completions",

		"models": [

			{

				"id": "Qwen3.5-9B-Q4_0",

				"name": "llm-qwen3.5-9b",

				"url": "http://llm.aa.aa/v1/chat/completions",

				"toolCalling": true,

				"vision": true,

				"maxInputTokens": 108000,

				"maxOutputTokens": 16000

			}

		]

	}