when I run the step-7 in PhoneCat Tutorial App ,it got error....

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AngularJs

Hello!
I am learning AngularJS with official's PhoneCat Tutorial App.
although from step-1 to step-6 is alright,
but when I run the step-7 ,it got error.

I type : npm start

C:\me\angular-phonecat>npm start



> angular-phonecat@0.0.0 prestart C:\me\angular-phonecat
> npm install

npm WARN package.json karma-chrome-launcher@0.1.4 No README data
-


> angular-phonecat@0.0.0 postinstall C:\me\angular-phonecat
> bower install

bower cached        git://github.com/angular/bower-angular-route.git#1.2.26
bower validate      1.2.26 against git://github.com/angular/bower-angular-route
git#~1.2.x
 git://github.com/angular/bower-angular.git#1.2.26
bower validate      1.2.26 against git://github.com/angular/bower-angular.git#1
2.26
bower cached        git://github.com/angular/bower-angular.git#1.2.23
bower validate      1.2.23 against git://github.com/angular/bower-angular.git#1
2.23
bower ECONFLICT    / Unable to find suitable version for angular

npm ERR! angular-phonecat@0.0.0 postinstall: `bower install`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the angular-phonecat@0.0.0 postinstall script.
npm ERR! This is most likely a problem with the angular-phonecat package,
 not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     bower install
npm ERR! You can get their info via:
npm ERR!     npm owner ls angular-phonecat
npm ERR! There is likely additional logging output above.
npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\no
ejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
npm ERR! cwd C:\me\angular-phonecat
npm ERR! node -v v0.10.29
npm ERR! npm -v 1.4.14
npm ERR! code ELIFECYCLE
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     C:\me\angular-phonecat\npm-debug.log
npm ERR! not ok code 0

Can anyone help me？thx～