我原来装过nodejs,在nodejs的command prompt运行命令后如下：

npm WARN saveError ENOENT: no such file or directory, open 'C:\Users\Sybil\package.json'npm 
WARN enoent ENOENT: no such file or directory, open 'C:\Users\Sybil\package.json'npm 
WARN Sybil No descriptionnpm 
WARN Sybil No repository field.npm 
WARN Sybil No README datanpm 
WARN Sybil No license field.+ nodejs-websocket@1.7.1updated 1 package and audited 198 packages in 1.678sfound 63 vulnerabilities (24 low, 15 moderate, 24 high)  
run `npm audit fix` to fix them, or `npm audit` for details

执行npm audit fix后出现：

$ npm audit fixnpm ERR! code EAUDITNOPJSON
npm ERR! audit No package.json found: Cannot audit a project without a package.json
npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Sybil\AppData\Roaming\npm-cache\_logs\2018-11-17T14_35_56_484Z-debug.log

好吧，我把日志打开：

0 info it worked if it ends with ok

1 verbose cli [ 'E:\\Program Files\\nodejs\\node.exe',

1 verbose cli   'E:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',

1 verbose cli   'audit',

1 verbose cli   'fix' ]

2 info using npm@6.4.1

3 info using node@v8.12.0

4 verbose config Skipping project config: C:\Users\Sybil/.npmrc. (matches userconfig)

5 verbose npm-session 548882a1472ad82c

6 verbose stack Error: No package.json found: Cannot audit a project without a package.json

6 verbose stack     at Bluebird.all.spread (E:\Program Files\nodejs\node_modules\npm\lib\audit.js:143:19)

6 verbose stack     at tryCatcher (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\util.js:16:23)

6 verbose stack     at Promise._settlePromiseFromHandler (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:509:35)

6 verbose stack     at Promise._settlePromise (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:569:18)

6 verbose stack     at Promise._settlePromise0 (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:614:10)

6 verbose stack     at Promise._settlePromises (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:693:18)

6 verbose stack     at Promise._fulfill (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:638:18)

6 verbose stack     at PromiseArray._resolve (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise_array.js:126:19)

6 verbose stack     at PromiseArray._promiseFulfilled (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise_array.js:144:14)

6 verbose stack     at PromiseArray._iterate (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise_array.js:114:31)

6 verbose stack     at PromiseArray.init [as _init] (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise_array.js:78:10)

6 verbose stack     at Promise._settlePromise (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:566:21)

6 verbose stack     at Promise._settlePromise0 (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:614:10)

6 verbose stack     at Promise._settlePromises (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:693:18)

6 verbose stack     at Promise._fulfill (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:638:18)

6 verbose stack     at PromiseArray._resolve (E:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise_array.js:126:19)

7 verbose cwd C:\Users\Sybil

8 verbose Windows_NT 10.0.17134

9 verbose argv "E:\\Program Files\\nodejs\\node.exe" "E:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "audit" "fix"

10 verbose node v8.12.0

11 verbose npm  v6.4.1

12 error code EAUDITNOPJSON

13 error audit No package.json found: Cannot audit a project without a package.json

14 verbose exit [ 1, true ]

好像是说找不到package.json。。我也装过git，用git bash运行也是一样，windows的cmd运行也是一样。。