feat: 回滚脚手架升级

frontend/package.json

@@ -15,7 +15,6 @@
     "svgo": "svgo -f src/icons/svg --config=src/icons/svgo.yml"
   },
   "dependencies": {
-    "core-js": "^3.6.5",
     "@riophae/vue-treeselect": "0.4.0",
     "axios": "^0.21.1",
     "echarts": "^5.0.2",
@@ -31,29 +30,26 @@
     "umy-ui": "^1.1.6",
     "vcolorpicker": "^1.1.0",
     "vue": "2.6.10",
+    "vue-clipboard2": "0.3.1",
     "vue-codemirror": "^4.0.6",
     "vue-i18n": "7.3.2",
     "vue-router": "3.0.6",
     "vue-uuid": "2.0.2",
     "vuedraggable": "^2.24.3",
     "vuex": "3.1.0",
-    "vue-clipboard2": "0.3.1",
     "webpack": "^4.46.0"
   },
   "devDependencies": {
     "@babel/core": "^7.4.0-0",
     "@babel/register": "7.0.0",
-    "@vue/cli-plugin-babel": "~4.5.0",
-    "@vue/cli-plugin-eslint": "~4.5.0",
-    "@vue/cli-plugin-router": "~4.5.0",
-    "@vue/cli-plugin-vuex": "~4.5.0",
-    "@vue/cli-service": "~4.5.0",
-    "babel-eslint": "10.1.0",
+    "@vue/cli-plugin-babel": "3.6.0",
+    "@vue/cli-plugin-eslint": "^3.9.1",
+    "@vue/cli-service": "3.6.0",
+    "babel-eslint": "10.0.1",
     "chalk": "2.4.2",
     "connect": "3.6.6",
-    "eslint": "^6.7.2",
-    "eslint-plugin-vue": "^6.2.2",
-    "eslint-plugin-import": "^2.20.2",
+    "eslint": "5.15.3",
+    "eslint-plugin-vue": "5.2.2",
     "html-webpack-plugin": "3.2.0",
     "less": "^4.1.1",
     "less-loader": "^8.0.0",