修复IE11浏览器报错问题

ruoyi-ui/package.json

@@ -44,7 +44,7 @@
     "element-ui": "2.14.1",
     "file-saver": "2.0.4",
     "fuse.js": "6.4.3",
-    "highlight.js": "10.4.1",
+    "highlight.js": "9.18.5",
     "js-beautify": "1.13.0",
     "js-cookie": "2.2.1",
     "jsencrypt": "3.0.0-rc.1",
@@ -69,8 +69,8 @@
     "eslint": "7.15.0",
     "eslint-plugin-vue": "7.2.0",
     "lint-staged": "10.5.3",
-    "sass": "1.30.0",
     "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",