修改图标打包后乱码，使用node-sass

ruoyi-ui/package.json

@@ -48,6 +48,7 @@
     "js-beautify": "1.13.0",
     "js-cookie": "2.2.1",
     "jsencrypt": "3.0.0-rc.1",
+    "node-sass": "^4.14.1",
     "nprogress": "0.2.0",
     "quill": "1.3.7",
     "screenfull": "5.0.2",
@@ -70,7 +71,6 @@
     "eslint-plugin-vue": "7.2.0",
     "lint-staged": "10.5.3",
     "runjs": "4.4.2",
-    "sass": "1.32.0",
     "sass-loader": "10.1.0",
     "script-ext-html-webpack-plugin": "2.1.5",
     "svg-sprite-loader": "5.1.1",