run example error Cannot resolve module

[zhonshu]

zhongshudeMacBook-Pro:react-native-web-example zhongshu$ npm install
npm WARN react-hot-api@0.4.7 requires a peer of react@>=0.11.0 || ^0.14.0-rc but none was installed.
npm WARN react-hot-loader@1.2.7 requires a peer of react@>=0.11.0 but none was installed.
npm WARN react-web@0.1.5 requires a peer of react@~0.14.0 but none was installed.
npm WARN react-web@0.1.5 requires a peer of react-dom@~0.14.0 but none was installed.
npm WARN react-native-web-example@0.0.1 No repository field.
npm WARN react-native-web-example@0.0.1 No license field.
zhongshudeMacBook-Pro:react-native-web-example zhongshu$ npm run web-dev

I run npm run web-dev errors

ERROR in ./index.ios.js
Module not found: Error: Cannot resolve module 'react/lib/ReactMount' in /Users/zhongshu/Documents/react/react-native-web-example
@ ./index.ios.js 1:346-377

ERROR in ./index.ios.js
Module not found: Error: Cannot resolve module 'react' in /Users/zhongshu/Documents/react/react-native-web-example
@ ./index.ios.js 1:387-403 76:375-391

ERROR in .//react-web/lib/react-web.js
Module not found: Error: Cannot resolve module 'react' in /Users/zhongshu/Documents/react/react-native-web-example/node_modules/react-web/lib
@ .//react-web/lib/react-web.js 13:13-29

ERROR in .//react-web/lib/ActivityIndicator/ActivityIndicator.web.js
Module not found: Error: Cannot resolve module 'react' in /Users/zhongshu/Documents/react/react-native-web-example/node_modules/react-web/lib/ActivityIndicator
@ .//react-web/lib/ActivityIndicator/ActivityIndicator.web.js 11:13-29

ERROR in .//react-web/lib/DrawerLayout/DrawerLayout.web.js
Module not found: Error: Cannot resolve module 'react' in /Users/zhongshu/Documents/react/react-native-web-example/node_modules/react-web/lib/DrawerLayout
@ .//react-web/lib/DrawerLayout/DrawerLayout.web.js 17:13-29

ERROR in .//react-web/lib/Image/Image.web.js
Module not found: Error: Cannot resolve module 'react' in /Users/zhongshu/Documents/react/react-native-web-example/node_modules/react-web/lib/Image
@ .//react-web/lib/Image/Image.web.js 13:13-29

[craone]

npm install react

[zhonshu]

zhongshudeMacBook-Pro:react-native-web-example zhongshu$ npm run web-dev

react-native-web-example@0.0.1 web-dev /Users/zhongshu/Documents/react/react-native-web-example
node web/start-dev-server

Listening at 0.0.0.0:3000
Crawl: 1114ms
[BABEL] Note: The code generator has deoptimised the styling of "/Users/zhongshu/Documents/react/react-native-web-example/web/output/bundle.js" as it exceeds the max of "100KB".
Hash: a4ae61101b75c26a035b
Version: webpack 1.9.10
Time: 18386ms
Asset Size Chunks Chunk Names
bundle.js 3.11 MB 0 [emitted] main
bundle.js.map 4.72 MB 0 [emitted] main
index.html 310 bytes [emitted]
chunk {0} bundle.js, bundle.js.map (main) 3 MB [rendered]
[0] multi main 52 bytes {0} [built]

........

[403] ./web/output/bundle.js 1.32 MB {0} [built]
[404] .//react-hot-loader/makeExportsHot.js 1.38 kB {0} [built]
[405] .//react-hot-loader/isReactClassish.js 801 bytes {0} [built]
[406] ./~/react-hot-loader/isReactElementish.js 288 bytes {0} [built]
webpack: bundle is now VALID.