Content-Type: multipart/form-data; boundary=Xm7QlFD92I4wyKj6T+3j-7UM Content-Type: application/json Content-Disposition: form-data; name="meta" {"filename":"logo.png","sha256":"515828eec0c103968e543862f49fb23ed6748e09b93a817190f31f2c7d7861a5"} --Xm7QlFD92I4wyKj6T+3j-7UM Content-Type: image/png Content-Disposition: form-data; filename="logo.png"; name="file" PNG二进制内容 上面就是请求的内容，但总是报下面错误: {"code":"PARAM_ERROR","detail":{"location":"body","value":""},"message":"输入源“/body/file”映射到字段“图片文件”必填性规则校验失败，此字段为必填项"} 不知道是啥原因？