<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://yucheng.is/</loc></url><url><loc>https://yucheng.is/about/</loc></url><url><loc>https://yucheng.is/posts/</loc></url><url><loc>https://yucheng.is/posts/ai-onboarding-trust/</loc><lastmod>2026-02-09</lastmod></url><url><loc>https://yucheng.is/posts/ai-renaissance-builder/</loc><lastmod>2026-02-09</lastmod></url><url><loc>https://yucheng.is/posts/ai-skill-divergence/</loc><lastmod>2026-03-11</lastmod></url><url><loc>https://yucheng.is/posts/apple-appstore-review-issue/</loc><lastmod>2023-10-23</lastmod></url><url><loc>https://yucheng.is/posts/buildinpublic-has-risks/</loc><lastmod>2023-05-21</lastmod></url><url><loc>https://yucheng.is/posts/chuhaiqu/</loc><lastmod>2023-05-01</lastmod></url><url><loc>https://yucheng.is/posts/clawdbot-taste/</loc><lastmod>2026-01-23</lastmod></url><url><loc>https://yucheng.is/posts/clawdbot-troubleshooting-guide/</loc><lastmod>2026-01-29</lastmod></url><url><loc>https://yucheng.is/posts/crabby-security-audit/</loc><lastmod>2026-02-21</lastmod></url><url><loc>https://yucheng.is/posts/download-twitter-space-record/</loc><lastmod>2023-07-15</lastmod></url><url><loc>https://yucheng.is/posts/how-to-get-product-ideas/</loc><lastmod>2023-08-08</lastmod></url><url><loc>https://yucheng.is/posts/indie-hackers-terminologies/</loc><lastmod>2023-08-13</lastmod></url><url><loc>https://yucheng.is/posts/indie-products-pricing/</loc><lastmod>2024-06-22</lastmod></url><url><loc>https://yucheng.is/posts/jagged-frontier/</loc><lastmod>2026-03-14</lastmod></url><url><loc>https://yucheng.is/posts/jarsy-case-study/</loc><lastmod>2026-02-12</lastmod></url><url><loc>https://yucheng.is/posts/no-moat-anymore/</loc><lastmod>2023-04-05</lastmod></url><url><loc>https://yucheng.is/posts/oaas-saas-is-dead/</loc><lastmod>2026-02-08</lastmod></url><url><loc>https://yucheng.is/posts/read-book-get-together/</loc><lastmod>2023-05-30</lastmod></url><url><loc>https://yucheng.is/posts/read-book-make/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/posts/read-book-rework/</loc><lastmod>2023-04-29</lastmod></url><url><loc>https://yucheng.is/posts/resources-list/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/posts/solopreneur-research-160-cases-cn/</loc><lastmod>2024-12-02</lastmod></url><url><loc>https://yucheng.is/posts/startup-growth-journey/</loc><lastmod>2023-04-09</lastmod></url><url><loc>https://yucheng.is/posts/summary-202305/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/posts/the-seas-are-drying-up/</loc><lastmod>2023-03-12</lastmod></url><url><loc>https://yucheng.is/thesis/</loc></url><url><loc>https://yucheng.is/zh/</loc></url><url><loc>https://yucheng.is/zh/about/</loc></url><url><loc>https://yucheng.is/zh/posts/</loc></url><url><loc>https://yucheng.is/zh/posts/ai-onboarding-trust/</loc><lastmod>2026-02-09</lastmod></url><url><loc>https://yucheng.is/zh/posts/ai-renaissance-builder/</loc><lastmod>2026-02-09</lastmod></url><url><loc>https://yucheng.is/zh/posts/ai-skill-divergence/</loc><lastmod>2026-03-11</lastmod></url><url><loc>https://yucheng.is/zh/posts/apple-appstore-review-issue/</loc><lastmod>2023-10-23</lastmod></url><url><loc>https://yucheng.is/zh/posts/buildinpublic-has-risks/</loc><lastmod>2023-05-21</lastmod></url><url><loc>https://yucheng.is/zh/posts/chuhaiqu/</loc><lastmod>2023-05-01</lastmod></url><url><loc>https://yucheng.is/zh/posts/clawdbot-taste/</loc><lastmod>2026-01-23</lastmod></url><url><loc>https://yucheng.is/zh/posts/clawdbot-troubleshooting-guide/</loc><lastmod>2026-01-29</lastmod></url><url><loc>https://yucheng.is/zh/posts/context-engineering-externalized-cognition/</loc><lastmod>2025-08-25</lastmod></url><url><loc>https://yucheng.is/zh/posts/context-rot-llm-performance/</loc><lastmod>2025-08-27</lastmod></url><url><loc>https://yucheng.is/zh/posts/crabby-security-audit/</loc><lastmod>2026-02-21</lastmod></url><url><loc>https://yucheng.is/zh/posts/crabby-tuning/</loc><lastmod>2026-01-27</lastmod></url><url><loc>https://yucheng.is/zh/posts/download-twitter-space-record/</loc><lastmod>2023-07-15</lastmod></url><url><loc>https://yucheng.is/zh/posts/how-to-get-product-ideas/</loc><lastmod>2023-08-08</lastmod></url><url><loc>https://yucheng.is/zh/posts/indie-hackers-terminologies/</loc><lastmod>2023-08-13</lastmod></url><url><loc>https://yucheng.is/zh/posts/indie-products-pricing/</loc><lastmod>2024-06-22</lastmod></url><url><loc>https://yucheng.is/zh/posts/jagged-frontier/</loc><lastmod>2026-03-14</lastmod></url><url><loc>https://yucheng.is/zh/posts/jarsy-case-study/</loc><lastmod>2026-02-12</lastmod></url><url><loc>https://yucheng.is/zh/posts/no-moat-anymore/</loc><lastmod>2023-04-05</lastmod></url><url><loc>https://yucheng.is/zh/posts/oaas-saas-is-dead/</loc><lastmod>2026-02-08</lastmod></url><url><loc>https://yucheng.is/zh/posts/read-book-get-together/</loc><lastmod>2023-05-30</lastmod></url><url><loc>https://yucheng.is/zh/posts/read-book-make/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/zh/posts/read-book-rework/</loc><lastmod>2023-04-29</lastmod></url><url><loc>https://yucheng.is/zh/posts/resources-list/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/zh/posts/solopreneur-research-160-cases-cn/</loc><lastmod>2024-12-02</lastmod></url><url><loc>https://yucheng.is/zh/posts/startup-growth-journey/</loc><lastmod>2023-04-09</lastmod></url><url><loc>https://yucheng.is/zh/posts/summary-202305/</loc><lastmod>2023-06-01</lastmod></url><url><loc>https://yucheng.is/zh/posts/the-seas-are-drying-up/</loc><lastmod>2023-03-12</lastmod></url><url><loc>https://yucheng.is/zh/posts/three-types-one-person-companies-cn/</loc><lastmod>2024-12-12</lastmod></url><url><loc>https://yucheng.is/zh/posts/toolbox-dev/</loc><lastmod>2024-05-22</lastmod></url><url><loc>https://yucheng.is/zh/posts/what-is-context-rot/</loc><lastmod>2025-08-27</lastmod></url><url><loc>https://yucheng.is/zh/posts/why-not-share-skills/</loc><lastmod>2026-01-22</lastmod></url><url><loc>https://yucheng.is/zh/thesis/</loc></url></urlset>
