为粗细大小选择添加提示

[feudalmarker15-bot]

检查清单 | Checklist

• 您确认此功能不存在于最新版本 | You confirm that this feature does not exist in the latest version.
• 您确认此功能有开发的必要 | You confirm that this feature is worth developing.
• 您确认此功能无法通过开发插件/自动化实现 | You confirm that this feature cannot be implemented through a plugin or automation.
• 您没有为软件提交 Pull Request 或开发插件的能力 | You are unable to submit a Pull Request or develop a plugin for this software.
• 您了解开发者无法及时回复和及时开发 | You understand that developers may not respond or implement features promptly.
• 我已经仔细阅读过选项里的内容，并且知道这个选项不用勾选。 | I have carefully read the options and know that this option does not need to be checked.

功能描述 | Description

如标题

需求动机 | Motivation

让当前墨迹粗细更醒目

期望设计 | Expected Design

其他补充信息 | Additional Info

无

上传有关文件 | Upload relevant files

No response