...Please use commands like verbose imap <tab> to make sure that your keymap has taken effect. Different plug-ins of VSCode provide many configuration items, most of which are used by the server, but some are used by the client. If you do not use plug-ins, you need to make different adaptations to specific servers in the code. At present, most vim LSP plug-ins only support The configuration used by the server. Some functions require the client to do some specific extensions. For example, the jdt.ls of java requires the client to support the uri starting with jdt. ...