fix 测试包

package.json

@@ -75,6 +75,7 @@
     "opn": "^4.0.2",
     "ora": "^0.3.0",
     "sass": "^0.5.0",
+    "node-sass": "^3.4.2",
     "sass-loader": "^4.1.1",
     "scss": "^0.2.4",
     "scss-loader": "0.0.1",