diff --git a/src/components/charts/StatisticsLegend.vue b/src/components/charts/StatisticsLegend.vue
index e6661b0d..e2c72647 100644
--- a/src/components/charts/StatisticsLegend.vue
+++ b/src/components/charts/StatisticsLegend.vue
@@ -62,6 +62,7 @@ export default {
   }
 }
 .chart__table-below {
+  height: 240px;
   width: 100%;
   font-size: 13px;
 }
diff --git a/src/components/layout/Header.vue b/src/components/layout/Header.vue
index 79858aac..cf88c613 100644
--- a/src/components/layout/Header.vue
+++ b/src/components/layout/Header.vue
@@ -21,7 +21,7 @@
       <el-dropdown>
         <div class='login-user header-menu--item'>{{username}}&nbsp;<i class="cn-icon cn-icon-arrow-down"></i></div>
         <template #dropdown>
-          <el-dropdown-menu slot="dropdown">
+          <el-dropdown-menu #dropdown>
             <el-dropdown-item>
               <div id="header-to-changepin" @click="showPinDialog">Change pin</div>
             </el-dropdown-item>
diff --git a/src/utils/api.js b/src/utils/api.js
index 1f2870f8..b513b101 100644
--- a/src/utils/api.js
+++ b/src/utils/api.js
@@ -5,6 +5,7 @@
 */
 import { get, post } from '@/utils/http'
 import { sortByOrderNum } from '@/permission'
+import {storageKey} from "@/utils/constants";
 
 export const api = {
   // 系统相关
@@ -121,6 +122,7 @@ export async function getPermission () {
 export async function getI18n () {
   const dictData = await getDictList()
   const langs = dictData.map(d => d.value).join(',')
+  sessionStorage.setItem(storageKey.languages, langs)
   const request = new Promise(resolve => {
     get(api.i18n, { l: langs }).then(response => {
       response.data.cn = response.data.zh
diff --git a/src/utils/constants.js b/src/utils/constants.js
index 4b98aa4b..9bfe1505 100644
--- a/src/utils/constants.js
+++ b/src/utils/constants.js
@@ -4,6 +4,7 @@ export const storageKey = {
   iso36112Capital: 'cn-iso3611-2-capital',
   iso36112WorldLow: 'cn-iso3611-2-world-low',
   i18n: 'cn-i18n',
+  languages: 'cn-languages',
   language: 'cn-language',
   timezone: 'cn-timezone',
   timezoneOffset: 'cn-timezone-offset',