用bower安装angular-ui-router提示no versions found

用bower安装angular-ui-router提示no versions found，而且github里面没有代码。要怎么才能用bower安装ui-router呢
https://github.com/angular-ui/angular-ui-router-bower

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bower install angular-ui-router 不行？

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bower install angular-ui/ui-router
或者
bower install ui-router

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我用bower下下来了，你指定版本试试

{
  "name": "angular-ui-router",
  "version": "0.2.18",
  "license" : "MIT",
  "main": "./release/angular-ui-router.js",
  "dependencies": {
    "angular": "^1.0.8"
  },
  "ignore": [
    "**/.*",
    "node_modules",
    "bower_components",
    "component.json",
    "package.json",
    "lib",
    "config",
    "sample",
    "test",
    "tests",
    "ngdoc_assets",
    "Gruntfile.js",
    "files.js"
  ]
}