修复浏览器警告问题

package-lock.json

@@ -4270,6 +4270,11 @@
         }
       }
     },
+    "default-passive-events": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/default-passive-events/-/default-passive-events-2.0.0.tgz",
+      "integrity": "sha512-eMtt76GpDVngZQ3ocgvRcNCklUMwID1PaNbCNxfpDXuiOXttSh0HzBbda1HU9SIUsDc02vb7g9+3I5tlqe/qMQ=="
+    },
     "defaults": {
       "version": "1.0.3",
       "resolved": "https://registry.npm.taobao.org/defaults/download/defaults-1.0.3.tgz",

package.json

@@ -9,6 +9,7 @@
   },
   "dependencies": {
     "core-js": "^3.6.5",
+    "default-passive-events": "^2.0.0",
     "element-ui": "^2.15.6",
     "vue": "^2.6.11",
     "vue-router": "^3.2.0"

src/main.js

@@ -4,7 +4,7 @@ import 'element-ui/lib/theme-chalk/index.css'
 import './assets/style/initial.css'
 import App from './App.vue'
 import router from './router'
-
+import 'default-passive-events'
 Vue.config.productionTip = false
 Vue.use(ElementUI)
 new Vue({