面试题库

14 天用 Agent 搭一条 AI 短剧生产线

D14 一季五集：批量产出、作品集包装与短剧生产线面试专题

• 多集连续生成时，人物与画风的跨集一致性你是怎么保证的？如果要做一百集会遇到什么新问题？How do you keep characters and visual style consistent across many generated episodes, and what breaks at a hundred episodes?

  国内高频海外高频进阶#consistency#prompt-assembly

  分析过程 · 先想清楚再作答

  1. 这题的区分度在于你是靠自律还是靠结构。答「每次都把提示词写得一样」的人做到第五集就会漂，因为每复制一次提示词就多一次人为改动的机会。
  2. 正确形态是把一致性变成结构上做不到不一致：建一份唯一的档案（人物卡含外貌与音色、风格词、场景表），再立一条硬规矩——每一镜的提示词只能由「档案加本镜描述」拼出来，不允许手写。
  3. 然后把这条规矩做成可判定的检查：角色是不是都在档案里、音色跨集有没有变、外貌片段是不是逐字来自档案、风格词每一镜有没有带上、集间钩子有没有首尾相接。注意这五条只看输入不看画面——画面质量是机器审片的职责，两道检查互补，谁也替代不了谁。
  4. 一百集会冒出三类新问题。第一是档案本身会演化：人物换了造型、加了新角色，需要给档案做版本，并记录每一集用的是哪个版本，否则回头没法解释第三十集为什么和第十集不一样。
  5. 第二是钩子链变长之后容易断，人工维护五条还行、维护九十九条一定出错，得让钩子校验成为开跑前的硬闸门。第三是资产库膨胀，定妆图与参考图要有索引与去重，否则同一个角色会攒出几十张互相矛盾的基准图。
  6. 可预期的追问是「一致性和多样性冲突吗」。答案是把两者分开：档案锁死的是身份特征（外貌、音色、风格），随机性留给运镜、构图与光线——锁错层就会得到一百集一模一样的片子。

  How to reason about it · think before answering

  1. The discriminator is whether you rely on discipline or on structure. Writing the prompt the same way every time drifts by episode five, because every copy is another chance for a human edit.
  2. The right shape makes inconsistency structurally impossible: keep one archive (character cards with appearance and voice id, style tokens, scene list) and enforce one rule, that every shot's prompt is assembled from the archive plus that shot's description, never hand-written.
  3. Then turn the rule into decidable checks: are all characters in the archive, did any voice id change across episodes, is the appearance fragment verbatim from the archive, does every shot carry the style tokens, and does each episode's hook match the next one's pick-up. These five inspect inputs only; picture quality belongs to the automated review pass, and the two are complementary.
  4. At a hundred episodes three new problems appear. First the archive itself evolves as characters restyle and new ones appear, so it needs versions and each episode must record which version it used, or you cannot explain why episode thirty differs from episode ten.
  5. Second, the hook chain gets long and manual maintenance fails, so hook validation has to be a hard gate before the run starts. Third, the asset library bloats, so reference sheets need an index and deduplication or one character accumulates dozens of contradictory base images.
  6. Expect the follow-up: does consistency fight variety? Separate the layers. The archive locks identity traits such as appearance, voice and style, while randomness lives in camera movement, framing and lighting. Locking the wrong layer gives you a hundred identical episodes.

  答题要点

  • 靠结构不靠自律：唯一档案加一条硬规矩，提示词只能从档案拼出来
  • 五条只看输入的可判定检查：角色、音色、外貌逐字、风格词、集间钩子
  • 输入检查与机器审片互补，一个查有没有漂，一个查画面好不好
  • 上百集会新增三类问题：档案要版本化、钩子校验要变成硬闸门、资产库要索引去重
  • 档案锁身份特征，随机性留给运镜构图光线，锁错层会一百集雷同

  Key points

  • Rely on structure: one archive plus a rule that prompts may only be assembled from it
  • Five decidable input-only checks: cast membership, voice stability, verbatim appearance, style tokens, hook chain
  • Input checks complement automated picture review; neither replaces the other
  • At scale add archive versioning, a hard pre-run hook gate, and an indexed deduplicated asset library
  • Lock identity traits in the archive and leave randomness to camera, framing and lighting