编译的时候 提示语法错误

[jamesInherit]

app.use(async function(ctx, next) { ^^^^^

SyntaxError: missing ) after argument list at createScript (vm.js:56:10) at Object.runInThisContext (vm.js:97:10) at Module._compile (module.js:542:28) at Object.Module._extensions..js (module.js:579:10) at Module.load (module.js:487:32) at tryModuleLoad (module.js:446:12) at Function.Module._load (module.js:438:3) at Module.require (module.js:497:17) at require (internal/module.js:20:19) at Object. (E:\Projects\weiapp\article\index.js:4:11) npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! [email protected] start: node index npm ERR! Exit status 1

[jamesInherit]

兄弟能留下QQ，或者微信联系方式吗？