在 Codetop 题目列表每行“笔记”按钮旁插入自定义按钮（初版）
| 日期 | 安装次数 | 更新检查总次数 |
|---|---|---|
| 2025-07-20 | 0 | 0 |
| 2025-07-21 | 0 | 1 |
| 2025-07-22 | 0 | 0 |
| 2025-07-23 | 0 | 0 |
| 2025-07-24 | 0 | 0 |
| 2025-07-25 | 0 | 0 |
| 2025-07-26 | 0 | 0 |
| 2025-07-27 | 0 | 0 |
| 2025-07-28 | 0 | 0 |
| 2025-07-29 | 0 | 0 |
| 2025-07-30 | 0 | 1 |
| 2025-07-31 | 0 | 0 |
| 2025-08-01 | 0 | 2 |
| 2025-08-02 | 0 | 1 |
| 2025-08-03 | 0 | 1 |
| 2025-08-04 | 2 | 1 |
| 2025-08-05 | 0 | 1 |
| 2025-08-06 | 0 | 2 |
| 2025-08-07 | 0 | 0 |
