需要将 codeActionOnSave 设置为 always,同时将 autoSave 设置为 onFocusChange 或者 onWindowChange。 { "files.autoSave": "onFocusChange", "editor.codeActionsOnSave": { "source.fixAll.eslint": "always" } }  相关链接: [vscode 官方文档](https://link.segmentfault.com/?enc=6Ct8U%2BoT8YuY3tdtzwgY9Q%3D%3D.Vwi6%2BgUoRd1SL0ahBtZTTc0G3ki7d%2F6SXnvCi%2BWOFG9DGOmjRWtveGj3tnA9C25vRvpmlxdAOgyuRZeeQwb6BA%3D%3D) [codeActionOnSave 不适用于焦点丢失时的保存](https://link.segmentfault.com/?enc=az%2F4DnxCou%2Fo93HiBWlA7w%3D%3D.cy3g%2Bl68gZbHBcIzDyKxhj6TiQBELlLyw%2F7b95grJVJCFSXrehtanlv8K%2F45pciMXT2xhB0TUft06pEiRNHkOQ%3D%3D)