angular4启动项目时出现的错

D:\web\angular>npm serve


Usage: npm


where is one of:
    access, adduser, bin, bugs, c, cache, completion, config,
    ddp, dedupe, deprecate, dist-tag, docs, doctor, edit,
    explore, get, help, help-search, i, init, install,
    install-test, it, link, list, ln, login, logout, ls,
    outdated, owner, pack, ping, prefix, profile, prune,
    publish, rb, rebuild, repo, restart, root, run, run-script,
    s, se, search, set, shrinkwrap, star, stars, start, stop, t,
    team, test, token, tst, un, uninstall, unpublish, unstar,
    up, update, v, version, view, whoami


npm -h     quick help on
npm -l           display full usage info
npm help   search for help on
npm help npm     involved overview


Specify configs in the ini-formatted file:
    C:\Users\zqq\.npmrc
or on the command line via: npm --key value
Config info can be viewed via: npm help config


[email protected] D:\资料\web前端资料\nodejs\node_modules\npm


D:\web\angular>ng serve
module.js:538
    throw err;
    ^


Error: Cannot find module '@angular-devkit/core'
    at Function.Module._resolveFilename (module.js:536:15)
    at Function.Module._load (module.js:466:25)
    at Module.require (module.js:579:17)
    at require (internal/module.js:11:18)
    at Object. (D:\web\angular\node_modules\@angular-devkit\schematics\src\tree\virtual.js:10:16)
    at Module._compile (module.js:635:30)
    at Object.Module._extensions..js (module.js:646:10)
    at Module.load (module.js:554:32)
    at tryModuleLoad (module.js:497:12)
    at Function.Module._load (module.js:489:3)


D:\web\angular>npm update -g @angular/cli
[..................] \ loadDep:webpack-sources: sill resolveWithNewModule [email protected] checking inst[..................] \ loadDep:webpack-sources: sill resolveWi[..................] | fetchMetadata: sill resolveWithNewModule [email protected] checking installable status[..................] | fetchMetadata: sill resoC:\Users\zqq\AppData\Roaming\npm\ng -> C:\Users\zqq\AppData\Roaming\npm\node_modules\@angular\cli\bin\ng
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\@angular\cli\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})


+ @angular/[email protected]
added 340 packages, removed 148 packages, updated 121 packages and moved 2 packages in 198.821s


D:\web\angular>ng server
Your global Angular CLI version (1.7.2) is greater than your local
version (1.6.0). The local Angular CLI version is used.


To disable this warning use "ng set --global warnings.versionMismatch=false".
module.js:538
    throw err;
    ^


Error: Cannot find module '@angular-devkit/core'
    at Function.Module._resolveFilename (module.js:536:15)
    at Function.Module._load (module.js:466:25)
    at Module.require (module.js:579:17)
    at require (internal/module.js:11:18)
    at Object. (D:\web\angular\node_modules\@angular-devkit\schematics\src\tree\virtual.js:10:16)
    at Module._compile (module.js:635:30)
    at Object.Module._extensions..js (module.js:646:10)
    at Module.load (module.js:554:32)
    at tryModuleLoad (module.js:497:12)
    at Function.Module._load (module.js:489:3)


D:\web\angular>npm install @angular-devkit/core --save-dev
npm WARN @angular-devkit/[email protected] requires a peer of @angular-devkit/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN @schematics/[email protected] requires a peer of @angular-devkit/[email protected] but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of ajv@^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})


+ @angular-devkit/[email protected]
added 127 packages in 15.629s


D:\web\angular>npm update -g @angular/cli


D:\web\angular>ng server
Your global Angular CLI version (1.7.2) is greater than your local
version (1.6.0). The local Angular CLI version is used.


To disable this warning use "ng set --global warnings.versionMismatch=false".
** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
Date: 2018-03-01T07:19:46.296Z
Hash: 360e766258fbfb58aa95
Time: 8027ms
chunk {inline} inline.bundle.js (inline) 5.79 kB [entry] [rendered]
chunk {main} main.bundle.js (main) 20.2 kB [initial] [rendered]
chunk {polyfills} polyfills.bundle.js (polyfills) 549 kB [initial] [rendered]
chunk {styles} styles.bundle.js (styles) 33.6 kB [initial] [rendered]
chunk {vendor} vendor.bundle.js (vendor) 7.41 MB [initial] [rendered]


webpack: Compiled successfully.