插件（“aurelia-chart”）抛出404错误

Question

是aurelia框架的新手，目前的项目技术是aurelia-react。在这里，我需要做一些图表，我提到这个link进行设置。我完成了设置，但它抛出错误  “GET /jspm_packages/npm/aurelia-chart@0.2.5.js”错误（404）：“未找到”
的 main.js

export function configure(aurelia) {
aurelia.use
    .defaultBindingLanguage()
    .defaultResources()
    .developmentLogging()
    .router()
    .history()
    .eventAggregator()
    .plugin("aurelia-materialize-css")
    .plugin('aurelia-react-loader')
    .plugin("aurelia-chart");
aurelia.start().then(() => aurelia.setRoot()); }

的package.json

{  "jspm": {
"dependencies": {
  "aurelia-bootstrapper": "npm:aurelia-bootstrapper@^1.0.0",
  "aurelia-chart": "npm:aurelia-chart@^0.2.5",
  "aurelia-framework": "npm:aurelia-framework@^1.0.1",
  "aurelia-materialize-css": "npm:aurelia-materialize-css@^0.0.14",
  "aurelia-react-loader": "npm:aurelia-react-loader@^1.0.4",
  "chartjs": "npm:chartjs@^0.3.24",
  "css": "github:systemjs/plugin-css@^0.1.25",
  "grofit/aurelia-chart": "github:grofit/aurelia-chart@^0.2.5",
  "jsx": "github:floatdrop/plugin-jsx@^1.2.1",
  "react": "npm:react@^15.2.1",
  "react-dom": "npm:react-dom@^15.2.1"
},
"devDependencies": {
  "babel": "npm:babel-core@^5.8.24",
  "babel-runtime": "npm:babel-runtime@^5.8.24",
  "core-js": "npm:core-js@^1.1.4"
},
"overrides": {
    "npm:chartjs@0.3.24": {
    "format": "global"
  }
   }  
},
"devDependencies": {
    "jspm": "^0.16.41"    },
"dependencies": { 
       "aurelia-chart": "^0.2.5", 
},
"aurelia": {
  "build": {
    "resources": [
      "aurelia-chart/elements/chart-element",
      "aurelia-chart/attributes/chart-attribute"
    ]
  }
}