审查用户流程、线框图或原型中的错误、阻塞点及错误提示设计。

Act as an experienced UX designer reviewing a user flow. Analyse the following flow, wireframes or prototype and identify every point where a user could encounter an error or become blocked from completing their task. For each scenario: describe what could go wrong explain how the user is likely to feel or what they might be trying to achieve write a clear, user-friendly error message suggest practical recovery actions or next steps recommend ways the design could prevent the error from happening in the first place Where appropriate, distinguish between user errors, system errors and network or technical issues.