执行>>“ grunt server”之后，我看到了这些错误，我不知道在什么地方以及需要附加或分离某些代码的地方。
另一件事是DeprecationWarning：虽然在代码中我没有写过node --debug和node --debug-brk。
$ grunt server
Running "server" task
>> The `server` task has been deprecated. Use `grunt serve` to start a server.
Running "serve" task
Running "clean:server" (clean) task
>> 0 paths cleaned.
Running "env:all" (env) task
Running "express:dev" (express) task
Starting background Express server
(node:5497) [DEP0062] DeprecationWarning: `node --debug` and `node --debug-brk` are invalid. Please use `node --inspect` or `node --inspect-brk` instead.
Stopping Express server
Running "wait" task
>> Waiting for server reload...
Done waiting!
jit-grunt: Plugin for the "watch" task not found.
If you have installed the plugin already, please setting the static mapping.
See https://github.com/shootaroo/jit-grunt#static-mappings
Warning: Task "watch" failed. Use --force to continue.
Aborted due to warnings.
Execution Time (2018-09-25 12:24:48 UTC+5:30)
loading tasks 124ms ▇▇▇▇ 7%
express:dev 106ms ▇▇▇ 6%
wait 1.5s ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 85%
Total 1.8s
解决方案 npm install grunt-contrib --save-dev 并将此行添加到grunt.js的最后一行之前： grunt.loadNpmTasks（'grunt-contrib'）;