node使用 npm run build可以顺利编译，使用pm2报错Unexpected token import

PM2      | Error caught while calling pidusage
PM2      | Error: No maching pid found
PM2      |     at E:\node\node-v6.10.2-win-x86\node_modules\pm2\node_modules\pid
usage\lib\wmic.js:51:21
PM2      |     at ChildProcess. (E:\node\node-v6.10.2-win-x86\node_mo
dules\pm2\node_modules\pidusage\lib\bin.js:41:14)
PM2      |     at emitTwo (events.js:106:13)
PM2      |     at ChildProcess.emit (events.js:191:7)
PM2      |     at maybeClose (internal/child_process.js:886:16)
PM2      |     at Process.ChildProcess._handle.onexit (internal/child_process.js
:226:5)
0|server | Tue, 09 Oct 2018 12:02:19 GMT sequelize deprecated String based opera
tors are now deprecated. Please use Symbol based operators for better security,
read more at http://docs.sequelizejs.com/manual/tutorial/querying.html#operators
 at node_modules\sequelize\lib\sequelize.js:242:13
0|server | E:\H5DS\05-Source\H5DSMobile\build\action\publishMobile\saveApp.js:1
0|server | (function (exports, require, module, __filename, __dirname) { import
{ loadArr } from './loading';
0|server |                                                              
0|server | SyntaxError: Unexpected token import
0|server |     at createScript (vm.js:56:10)
0|server |     at Object.runInThisContext (vm.js:97:10)