PC: Windows 7
Node: v4.2.4
Python: 2.7.10
npm: 2.14.12
Proxy: 127.0.0.1:8087
react-native: 0.1.7

When i run the command react-native start,then browse in the chrome with the url: http://localhost:8081/index.android.bundle?platform=android&dev=true

it shows error message as follows:

{
message: "Cannot find entry file index.android.js in any of the roots: ["D:\\workspace\\snowdream\\git\\react_native_helloworld"]",
name: "NotFoundError",
type: "NotFoundError",
status: 404,
errors: [
{ }
]
}