litstudy.io 網域已過期並遭到線上賭場業者搶注劫持，目前會自動跳轉至越南賭博網站。
網域安全預警：原網域 litstudy.io 可能已過期停靠、出售或易主，為保護安全已停用直接外連。
AI 筆記生成器中目前正常營運的已核驗工具，依近期造訪量與編輯評分排序。
LitStudy AI 曾是一個專為創作者、學生與研究人員打造的進階研究與知識管理助理。它能協助使用者從大量的文獻、PDF、影片與語音筆記中萃取重點、合成資訊並產出乾淨的摘要。
由於原網域已過期並被博彩網站劫持，強烈建議改往 OpenAITools 的 AI Research Tool 與 AI Summarizer 分類尋找安全可靠的替代工具。
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