When writing code, the original code hinting is available, suddenly written, written in the code prompt show only a line

Online, the method of setting, configuration Settings, reinstall VSCode, installation code plug-ins are not solve the problem, the following graph:



I see installation VSCode stable version is not available, I installed the insiders version VSCode, function is normal, the diagram below:



Methods basic all tried online, can't, beg god for help, thank you