语言切换刷新还原成中文，新增修改语言本地缓存

src/components/index.vue

@@ -1313,6 +1313,14 @@ export default {
   created() {
     //页面刚进入时开启长连接
     //  this.initWebSocket()
+    let language = localStorage.language
+    if (!language) {
+      this.language = 'zh-CN';
+      this.$i18n.locale = 'zh-CN';
+    } else {
+      this.language = language
+      this.$i18n.locale = language;
+    }
     //IM_body
     let allWindowWidth = window.innerWidth;
     this.allWindowWidth = allWindowWidth - 50 - 220 - 60;
@@ -1328,6 +1336,7 @@ export default {
     ChangeLan(str){
       this.language=str;
       this.$i18n.locale = str;
+      localStorage.language = str;
     },
     settingSys: function () {
       this.MsgBus.$emit('settingOpen')