[Chain.vue] ws://localhost:8888 改为 ws://${location.hostname}:8888，否则访问远程节点控制台时总是报错。

src/views/Chain.vue

@@ -92,7 +92,7 @@ import io from 'socket.io-client'
 // import axios from 'axios'
 
 const { mapState, mapGetters, mapActions, mapMutations } = createNamespacedHelpers('chain')
-const socketUrl = 'ws://localhost:8888'
+const socketUrl = `ws://${location.hostname}:8888`
 
 Vue.use(VueSocketio, io(socketUrl), store)