暂存cnpm更新插件package.json

package.json

@@ -43,6 +43,7 @@
     "babel-preset-stage-2": "^6.22.0",
     "chalk": "^2.0.1",
     "copy-webpack-plugin": "^4.0.1",
+    "cross-env": "^7.0.3",
     "css-loader": "^0.28.0",
     "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^1.1.4",
@@ -79,4 +80,4 @@
     "last 2 versions",
     "not ie <= 8"
   ]
-}
+}