Xcode代码不提示或提示慢

Method1(亲测有效):

target -> Build Settings -> 搜索weak -> 切换WeakReferences in Manual Retain Release的值为No (No->Yes->No)

Method2:

进入Preferences…-> Text Editing

![20201102181028131.png](https://img.haomeiwen.com/i3579083/16820eaea8fb9f1f.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)

Method3:

退出Xcode，重启电脑，前往文件夹~/Library/Caches/com.apple.dt.Xcode并删除，并删除DerivedData，重新运行Xcode