[BUG] 调用mcp服务时报错

[Rabing]

当调用mcp服务时，返回的结果 error信息如下

2 validation errors for BrowserSession\nbrowser.json-or-python[json=is-instance[Browser],python=is-instance[Browser]]\n Input should be an instance of Browser [type=is_instance_of, input_value=BrowserSession#df61(profi...ser=playwright:chromium), input_type=BrowserSession]\n For further information visit https://errors.pydantic.dev/2.11/v/is_instance_of\nbrowser.json-or-python[json=is-instance[Browser]

[Rabing]

{"asctime": "2025-09-05 10:29:19,307", "levelname": "ERROR", "name": "root", "message": "Error creating browser context: 2 validation errors for BrowserSession\nbrowser.json-or-python[json=is-instance[Browser],python=is-instance[Browser]]\n Input should be an instance of Browser [type=is_instance_of, input_value=BrowserSession#df61(profi...ser=playwright:chromium), input_type=BrowserSession]\n For further information visit https://errors.pydantic.dev/2.11/v/is_instance_of\nbrowser.json-or-python[json=is-instance[Browser],python=is-instance[Browser]]\n Input should be an instance of Browser [type=is_instance_of, input_value=BrowserSession#df61(profi...ser=playwright:chromium), input_type=BrowserSession]\n For further information visit https://errors.pydantic.dev/2.11/v/is_instance_of"}
{"asctime": "2025-09-05 10:29:19,309", "levelname": "ERROR", "name": "root", "message": "Error in async browser task: 2 validation errors for BrowserSession\nbrowser.json-or-python[json=is-instance[Browser],python=is-instance[Browser]]\n Input should be an instance of Browser [type=is_instance_of, input_value=BrowserSession#df61(profi...ser=playwright:chromium), input_type=BrowserSession]\n For further information visit https://errors.pydantic.dev/2.11/v/is_instance_of\nbrowser.json-or-python[json=is-instance[Browser],python=is-instance[Browser]]\n Input should be an instance of Browser [type=is_instance_of, input_value=BrowserSession#df61(profi...ser=playwright:chromium), input_type=BrowserSession]\n For further information visit https://errors.pydantic.dev/2.11/v/is_instance_of"}