The package cannot be found

[hixuanxuan]

The error is that
无法找到模块“request-validate”的声明文件。“c:/Users/Administrator/Desktop/node-test/node_modules/request-validate/index.js”隐式拥有 "any" 类型。
Try npm install @types/request-validate if it exists or add a new declaration (.d.ts) file containing declare module 'request-validate';ts(7016)