diff --git a/src/layout/components/Navbar.vue b/src/layout/components/Navbar.vue
index 48e5601..3bd9d26 100644
--- a/src/layout/components/Navbar.vue
+++ b/src/layout/components/Navbar.vue
@@ -2,7 +2,7 @@
   <div class="navbar" :style="showTitle ? 'background: rgba(8,17,50,0.25)' : ''" style="padding-right: 23px;">
     <hamburger v-if="showhome" id="hamburger-container" :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
 
-    <div v-if="showTitle" style="color: #fff;font-size: 22px; float: left; letter-spacing: 1px; font-weight: 500; padding-left: 24px; marginTop: 5px">
+    <div v-if="showTitle" style="color: #fff;font-size: 22px; float: left; letter-spacing: 1px; font-weight: 500; padding-left: 24px; marginTop: 5px; cursor: pointer;" @click="toHome">
       <img src="../../assets/img/cnbm.png" style="width: 26px; height: 26px; position: relative; top: 6px; marginRight: 14px" alt="">
       {{ 'title' | i18nFilter }}
     </div>
@@ -56,7 +56,7 @@
               {{ 'navbar.profile' | i18nFilter }}
             </el-dropdown-item>
           </router-link>
-          <el-dropdown-item @click.native="toHome">
+          <el-dropdown-item @click.native="toMain">
             <svg-icon class="item-icon" icon-class="help" />
             {{ 'navbar.help' | i18nFilter }}
           </el-dropdown-item>
@@ -210,11 +210,15 @@ export default {
       this.$router.push(`/login?redirect=${this.$route.fullPath}`)
       clearInterval(logoutInterval)
     },
+    toMain() {
+      this.$store.dispatch('app/setChoicepart')
+      this.$router.push('/')
+    },
     async toHome() {
       // this.$store.dispatch('app/setChoicepart')
       // this.$router.push('/')
-      if (localStorage.getItem('param')) {
-        const param = JSON.parse(window.atob(localStorage.getItem('param')))
+      if (sessionStorage.getItem('param')) {
+        const param = JSON.parse(window.atob(sessionStorage.getItem('param')))
         window.location = 'https://www.baidu.com/?' + param
       }
     },
diff --git a/src/views/wmsHome/index.vue b/src/views/wmsHome/index.vue
index 300e113..9355326 100644
--- a/src/views/wmsHome/index.vue
+++ b/src/views/wmsHome/index.vue
@@ -49,7 +49,7 @@ export default {
     const path = location.href
     if (path.indexOf('?') !== -1) {
       const param = path.split('?')
-      localStorage.setItem('param', window.btoa(JSON.stringify(param[1])))
+      sessionStorage.setItem('param', window.btoa(JSON.stringify(param[1])))
     }
   },
   methods: {