Swifticons（https://www.swifticons.com/）；Feather（https://feathericons.com/）；88ICON（https://88icon.com/）；Pngtree（https://pngtree.com/so/icon）；Find icons（https://findicons.com/）；Freepik（https://www.freepik.com/）；爱给网（https://www.aigei.com/）；Gratisography（https://gratisography.com/）；Interfacer（https://interfacer.xyz/）；草莓图标库（https://chuangzaoshi.com/icon/）。