# 使用WorldPartition NavDataChunkActor烘焙导航网格，出现丢失的情况 

**URL:** <https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046>\
**Category:** 简体中文 (Simplified Chinese)\
**Tags:** unreal-engine, Epic-Pro-Support, question\
**Created:** [December 11, 2025, 8:27am UTC](https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046 "2025-12-11T08:27:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![anonymous-edc](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\
**Post date:** [December 11, 2025, 8:27am UTC](https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046/1 "2025-12-11T08:27:27Z")

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我的WP地图不从0，0点开始构建的， 地图的中心是0，0。 使用常规烘焙NavMesh，NavMesh数据正常。

使用​IsWorldPartitionedNavMesh 发现丢失数据， 只有正数象限生成了NavDataChunkActor。

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**Author:** ![anonymous-edc](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\
**Post date:** [December 11, 2025, 8:27am UTC](https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046/2 "2025-12-11T08:27:32Z")

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**重现步骤**  
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制作一个地图 中心点为0，0。 然后放置NavMeshBoundsVolume 包裹整个地图

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**Author:** ![TonyChen1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@TonyChen1](https://forums.unrealengine.com/u/TonyChen1)\
**Post date:** [December 11, 2025, 9:50am UTC](https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046/3 "2025-12-11T09:50:35Z")

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你好，如果你们用5.3出现这个问题，可以试下把这两个提交合到引擎里，这个问题在5.4上修复了

[https://github.com/EpicGames/UnrealEngine/commit/07455e96670121553f6a1b8ec98727c3c69276f7](https://github.com/EpicGames/UnrealEngine/commit/07455e96670121553f6a1b8ec98727c3c69276f7)

[https://github.com/EpicGames/UnrealEngine/commit/9272f2b4ab1f32821eddda69e4a7f917be64e842​](https://github.com/EpicGames/UnrealEngine/commit/9272f2b4ab1f32821eddda69e4a7f917be64e842%E2%80%8B)

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<div class="post-metadata">

**Author:** ![anonymous-edc](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\
**Post date:** [December 12, 2025, 1:52am UTC](https://forums.unrealengine.com/t/worldpartition-navdatachunkactor/2691046/4 "2025-12-12T01:52:17Z")

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谢谢。