How to Fix errors in Chinese input of latex

Chinese and English are mixed in WinEdt:


The following two problems have occurred with PDFTeXify:

! Package inputenc Error: Keyboard character used is undefined
(inputenc)                in inputencoding `utf8'.


! Package CJK Error: Invalid character code.

Solution: [WinEdt]-& GT; [Document]-> [Document Settings]-> The Format to utf-8

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