I recompiled emacs. Removed native-comp. But the problem still appeared. In GNU Emacs 28.0.50 (build 1, x86_64-apple-darwin19.6.0, NS appkit-1894.60 Version 10.15.7 (Build 19H2)) of 2021-08-23 built on chenzhiyuandeMacBook-Pro.local Repository revision: 20e32f3c3fee1446768786c04b52cde4ce313e37 Repository branch: master Windowing system distributor 'Apple', version 10.3.1894 System Description: Mac OS X 10.15.7 Configured using: 'configure --with-xwidgets --with-mailutils' Configured features: ACL GLIB GMP GNUTLS JPEG JSON LCMS2 LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER PNG RSVG THREADS TIFF TOOLKIT_SCROLL_BARS XIM XWIDGETS ZLIB Important settings: value of $LANG: zh_CN.UTF-8 locale-coding-system: utf-8 Use the following command to start emacs. /Applications/Emacs.app/Contents/MacOS/Emacs -Q Then use the configuration in test.el. I open a go file. Then use The command on the right is the information displayed after using view-lossage Does it have something to do with the Chinese input method I use? Or this bug caused by the interaction between the input method and emacs? Because after inputting Chinese, an auto-complete prompt message will pop up At 2021-08-22 22:25:54, "Lars Ingebrigtsen" wrote: >yuan writes: > >> The summary is: >> >> emacs-28 native-compile version, turn on completion. Quick input will >> reproduce this bug. > >Do you have a recipe, starting from "emacs -Q", for how to reproduce the >problem? > >-- >(domestic pets only, the antidote for overdose, milk.) > bloggy blog: http://lars.ingebrigtsen.no