dyld: Library not loaded: @rpath/LibYAML.framework/LibYAML

[viplary]

dyld: Library not loaded: @rpath/LibYAML.framework/LibYAML
Referenced from: /private/var/containers/Bundle/Application/45356046-6EA3-43C9-9182-41BF7851A580/Potatso.app/Frameworks/PotatsoLibrary.framework/PotatsoLibrary
Reason: no suitable image found. Did find:

请问这个问题如何解决，困扰我3天，无法解决。我升级xcode10之后遇到无法解决的报错，然后回退xcode9。模拟器完美运行，结果真机运行奔溃，报此错误，网上搜索到的问题都不好使，请求协助！！