(Dec 19, 2021): Footer changed again;

(Dec 17, 2021): 1. Added "「学习」前沿分析化学摘记辅助资料(上)" post \
2. Footer changed in advance;

(Dec 16, 2021): 1. Added "「学习」分析化学与日常学习生活番外篇" post \
2. Modified the About page;

(Nov 24, 2021): 1. Added "「学习」前沿分析化学摘要" post \
> 2. Added "「学习」分析化学与日常学习生活" post; 

(Nov 13, 2021): 1. Main index.html changed \
> 2. Changed the menu named server to log \
> 3. Edited "「学习」关于提纲的心得" post \
> 4. Added "「学习」关于提纲的心得 Pro Max" post \
> 5. Uploaded sitemaps to Baidu and Bing;