node V16.16.0 无法使用import语句

PS E:\study\forVideo> npm run start

[email protected] start node ./bin/www

E:\study\forVideo\service\service.js:1 import got from "got"; ^^^^^^

SyntaxError: Cannot use import statement outside a module

请问这是为什么？ 项目框架是 "express": "~4.16.1", "got": "^12.5.3",