fix error when add cluster

Author: alanpeng

package.json

@@ -32,7 +32,7 @@
     "vue-i18n": "^7.6.0",
     "vue-resource": "^0.9.3",
     "vue-router": "^3.0.1",
-    "vuex": "^1.0.1",
+    "vuex": "^3.6.2",
     "xterm": "^3.8.1"
   },
   "devDependencies": {

src/components/Clusters.vue

@@ -29,7 +29,7 @@
 
 <script type="text/javascript">
 import ClusterDialog from './common/ClusterDialog'
-import { mapActions, mapGetters } from 'vuex/dist/vuex.esm-bundler.js'
+import { mapActions, mapGetters } from 'vuex'
 import { promptOnDelete } from '../utils/prompt'
 import { pop } from '../utils/alert'
 export default {