Module build failed: Error: Couldn't find preset "es2015" relative to directory

[unclekitty]

Module build failed: Error: Couldn't find preset "es2015" relative to directory "/Users/wujun/workspace/weex"
at /Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:299:19
at Array.map (native)
at OptionManager.resolvePresets (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:270:20)
at OptionManager.mergePresets (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:259:10)
at OptionManager.mergeOptions (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:244:14)
at OptionManager.init (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:374:12)
at File.initOptions (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/index.js:216:65)
at new File (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/file/index.js:139:24)
at Pipeline.transform (/Users/wujun/workspace/weex/wxapp/node_modules/babel-core/lib/transformation/pipeline.js:46:16)
at transpile (/Users/wujun/workspace/weex/wxapp/node_modules/babel-loader/index.js:38:20)
at Object.module.exports (/Users/wujun/workspace/weex/wxapp/node_modules/babel-loader/index.js:131:12)
@ ./src/weex-bootstrap.we?entry=true 2:22-518

[Jinjiang]

It this a empty project you generated with weex init? Could you please supply more details about your source code or environment? And which command does these error messages come from?
Thanks.

[Jinjiang]

Sorry no response for such a long time. I will close it first util you give us more details about your problem.
Thanks.