[BUG] Use the rest API call to modify the group request. The group exists in MongoDB. However, the rest api prompts 1004

[ylx19931228]

OpenIM Server Version

3.8.1

Operating System and CPU Architecture

Linux (AMD)

Deployment Method

Source Code Deployment

Bug Description and Steps to Reproduce

使用rest API 调用 修改群组请求. MongoDB存在该群组.但是rest api 提示1004.
文档中提供描述: 字段选填可以不传. 目前im返回接口为1004，字段全部传入。也是1004

Screenshots Link

No response

[ylx19931228]

问题已找到, 该群无群主.导致的调用失败. 目前还未发现是那种操作导致的群主为空

[OpenIM-Robot]

Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿

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The problem has been found. The group has no group owner. The call failed. It has not been found yet what kind of operation caused the group owner to be empty.