webpack-dev-server与react-hot-loader使用错误

启用node服务后，利用webpack，报一下错误：

ERROR in ./test-react.jsx
Module not found: Error: Cannot resolve module 'react/lib/ReactMount' in /Users/apple/zp/LearnES2015
 @ ./test-react.jsx 1:318-349

ERROR in ./test-react.jsx
Module not found: Error: Cannot resolve module 'react' in /Users/apple/zp/LearnES2015
 @ ./test-react.jsx 1:359-375 51:346-362

ERROR in ./react.js
Module not found: Error: Cannot resolve module 'react/lib/ReactMount' in /Users/apple/zp/LearnES2015
 @ ./react.js 1:318-349

ERROR in ./react.js
Module not found: Error: Cannot resolve module 'react' in /Users/apple/zp/LearnES2015
 @ ./react.js 1:359-375 5861:346-362

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webpack的配置贴一下