ok

nuxt.config.js

@@ -32,7 +32,8 @@ export default {
   ** Plugins to load before mounting the App
   */
   plugins: [
-    '@/plugins/iview'
+    '@/plugins/iview',
+    '@/plugins/iview-pro'
   ],
   /*
   ** Nuxt.js dev-modules

package.json

@@ -16,7 +16,8 @@
     "view-design": "^4.0.2",
     "js-cookie": "^2.2.1",
     "less": "^3.10.3",
-    "less-loader": "^5.0.0"
+    "less-loader": "^5.0.0",
+    "iview-pro": "file:./iview-pro"
   },
   "devDependencies": {}
 }

plugins/iview-pro.js

+import Vue from 'vue'
+import iViewPro from 'iview-pro/src/'
+import '../iview-pro/dist/styles/iview-pro.css'
+Vue.use(iViewPro)