在軟體開發生命週期中，軟體驗收階段是用以確保產品功能符合所有驗收標準並滿足客戶期望的關鍵階段。然而，本階段時常涉及眾多利害關係人、部門與跨組織成員，容易因為資訊落差與依賴關係管理不當而影響驗收效率、或在缺乏溝通與協調的情況下易發生問題重複提報與需求認知等錯誤。這對於複雜度較高、委由多家外包廠商進行系統導入的專案，更容易引發責任歸屬分歧等問題。因此，軟體驗收階段時跨組織的有效協調與溝通，對於專案成功至關重要。本研究運用協調理論為基礎，旨在提出具體改善策略並建立一個有效的溝通流程以協調多方協作，讓跨組織團隊能夠及時識別問題並進行調整，進而確保所有利害關係人對於產品需求及驗收標準有一致的理解。透過文獻探討與個案研究方法，本研究分析個案公司在軟體驗收階段中所遭遇的實際困境，並依據協調理論中四種不同類型的依賴關係(共享資源、生產者與消費者的關係、同時性約束、任務/子任務)進行改善。透過協調流程的建立，有助於強化跨部門的協作效率，提升問題處理品質，進而優化整體軟體驗收流程與成果。;Software acceptance testing (UAT) is a critical stage in software development because it helps ensure that product functionalities meet users’ expectations. However, in the case of collaborative software development, UAT often involves numerous stakeholders, departments, and cross-organizational members, making it susceptible to inefficiencies caused by information gaps and improper dependency management. Furthermore, in the absence of effective communication and coordination, issues such as repetitive issues reporting and misunderstandings regarding requirements can arise. These challenges are particularly pronounced in projects with high complexity where system implementation is outsourced to multiple vendors, potentially leading to disputes over responsibility allocation. To address these challenges, this study utilizes coordination theory to establish an effective coordination process for multi-party collaboration in UAT. The proposed work enables cross-organizational teams to effectively identify and communicate issues, ensuring a shared understanding among all stakeholders regarding product requirements and acceptance standards. Through literature review and case study methods, this research analyzes the actual difficulties encountered by a company during the software acceptance phase, and demonstrates how the work is applied to the case.
