uni app云打包时报读取app.json失败 有没有大佬能给解答一下

同事的mac能正常打包，我换了几台Windows都打包不了 都是报下面的错误

[HBuilder] 13:42:38.418 SyntaxError: Unexpected string in JSON at position 4
[HBuilder] 13:42:38.420 at JSON.parse (<anonymous>)
[HBuilder] 13:42:38.431 at parseConfig (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\weapp-tools\lib\index.js:1:5457)
[HBuilder] 13:42:38.432 at index (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\weapp-tools\lib\index.js:1:15980)
[HBuilder] 13:42:38.442 at Promise (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\@dcloudio\vue-cli-plugin-hbuilderx\packages\webpack-app-plus-plugin\index.js:103:13)
[HBuilder] 13:42:38.443 at new Promise (<anonymous>)
[HBuilder] 13:42:38.450 at compiler.hooks.done.tapPromise.compilation (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\@dcloudio\vue-cli-plugin-hbuilderx\packages\webpack-app-plus-plugin\index.js:81:16)
[HBuilder] 13:42:38.451 at AsyncSeriesHook.eval [as callAsync] (eval at create (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\tapable\lib\HookCodeFactory.js:32:10), <anonymous>:17:17)
[HBuilder] 13:42:38.457 at AsyncSeriesHook.lazyCompileHook (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\tapable\lib\Hook.js:154:20)
[HBuilder] 13:42:38.468 at emitRecords.err (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\Compiler.js:261:22)
[HBuilder] 13:42:38.472 at Compiler.emitRecords (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\Compiler.js:375:39)
[HBuilder] 13:42:38.473 at emitAssets.err (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\Compiler.js:255:10)
[HBuilder] 13:42:38.479 at hooks.afterEmit.callAsync.err (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\Compiler.js:361:14)
[HBuilder] 13:42:38.483 at _err0 (eval at create (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\tapable\lib\HookCodeFactory.js:32:10), <anonymous>:20:1)
[HBuilder] 13:42:38.488 at compiler.hooks.afterEmit.tapAsync (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\@dcloudio\vue-cli-plugin-uni\node_modules\copy-webpack-plugin\dist\index.js:115:7)
[HBuilder] 13:42:38.493 at AsyncSeriesHook.eval [as callAsync] (eval at create (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\tapable\lib\HookCodeFactory.js:32:10), <anonymous>:7:1)
[HBuilder] 13:42:38.501 at AsyncSeriesHook.lazyCompileHook (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\tapable\lib\Hook.js:154:20)
[HBuilder] 13:42:38.506 at asyncLib.forEach.err (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\webpack\lib\Compiler.js:358:27)
[HBuilder] 13:42:38.511 at E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\neo-async\async.js:2825:7
[HBuilder] 13:42:38.512 at done (E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\neo-async\async.js:2861:11)
[HBuilder] 13:42:38.518 at E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\neo-async\async.js:2813:7
[HBuilder] 13:42:38.519 at E:\chenwenchao\HBuilderX_v2.4.6.20191210\HBuilderX\plugins\uniapp-cli\node_modules\graceful-fs\graceful-fs.js:45:10
[HBuilder] 13:42:38.523 at FSReqWrap.oncomplete (fs.js:135:15)
[HBuilder] 13:42:38.524 [ERROR] 读取app.json失败...