修改依赖版本 & 仓库源

package.json

@@ -22,6 +22,7 @@
     "@vue/cli-service": "^4.5.0",
     "element-theme-chalk": "^2.15.1",
     "node-sass": "^4.12.0",
+    "node-gyp": "^3.8.0",
     "sass-loader": "^8.0.2",
     "vue-template-compiler": "^2.6.11"
   },