dps start启动失败

[xvbo]

• (node:3076) UnhandledPromiseRejectionWarning: Error: Could not find browser revision 782078. Run "PUPPETEER_PRODUCT=fi
  refox npm install" or "PUPPETEER_PRODUCT=firefox yarn install" to download a supported Firefox browser binary.
  at ChromeLauncher.launch (D:\vueProject\nodejs\node_global\node_modules\puppeteer\lib\cjs\puppeteer\node\Launcher.js
  :86:23)
  at async pp (D:\vueProject\nodejs\node_global\node_modules\draw-page-structure\src\pp.js:11:19)
  at async DrawPageStructure.start (D:\vueProject\nodejs\node_global\node_modules\draw-page-structure\src\index.js:121
  :16)
  (node:3076) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing insi
  de of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To termina
  te the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs
  .org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
  (node:3076) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections
  that are not handled will terminate the Node.js process with a non-zero exit code.
  | 启动浏览器...

[xvbo]

npm install -g puppeteer@4.0.1 问题解决。。。