# 为什么alias导入模型换个角度面就看不到了？不是双面可见

**URL:** <https://forums.unrealengine.com/t/alias/463530>\
**Category:** Community & Industry Discussion\
**Tags:** aliasing, unreal-engine, question\
**Created:** [April 9, 2020, 1:24pm UTC](https://forums.unrealengine.com/t/alias/463530 "2020-04-09T13:24:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jasonlisen](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@jasonlisen](https://forums.unrealengine.com/u/jasonlisen)\
**Post date:** [April 9, 2020, 1:24pm UTC](https://forums.unrealengine.com/t/alias/463530/1 "2020-04-09T13:24:42Z")

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在我用alias导入模型后，模型只是单面存在，变换角度就消失了，请问怎么解决？

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**Author:** ![TIANMIN](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@TIANMIN](https://forums.unrealengine.com/u/TIANMIN)\
**Post date:** [April 11, 2020, 1:16pm UTC](https://forums.unrealengine.com/t/alias/463530/2 "2020-04-11T13:16:44Z")

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把材质改成双面的？