报错 Module file ‘/Users/anmo/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/3FOJ1MTM36H3U/CoreFoundation-3BM3GAL9XETA7.pcm’ is out of date and needs to be rebuilt: signature mismatch’
solution
1. [Visit] -> [Go] -> [Go to Folder] (shortcut key: shift + command + G): /Users/anmo/Library/Developer/Xcode/DerivedData/ModuleCache.noindex/3FOJ1MTM36H3U/CoreFoundation- 3BM3GAL9XETA7.pcm Delete the CoreFoundation-3BM3GAL9XETA7.pcm file.
2. Cmd+shift+k clean to solve the problem
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