从模型选择上看，DeepSeekV4明明有识别图片的功能，但是一发图片就报错，好像是请求体出了问题
Failed to deserialize the JSON body into the target type: messages[1]: unknown variant image_url, expected text at line 1 column 225075 (Model Provider Error Code: invalid_request_error, HTTP Status: 400)
请修复一下