文档
测试

2.更新comments

POST
flow/doc/comments/update

请求参数

```json { "id": 4, //必填 "docUserRecordId": null, "comments": null, "accept": null, "reStatus":1, "createTime": null, "updateTime": null } ```

响应参数

```json { "msg": "success", "code": 20000 } ```