[update] 修改bug80925

src/App.vue

@@ -4,7 +4,7 @@
       <van-nav-bar
         v-if="hasNavBar"
         :class="{'white-style': isWhiteNavBar}"
-        :title="pageTitle"
+        :title="specialTitle || pageTitle"
         :left-text="hasBack ? $t('back') : ''"
         :left-arrow="hasBack"
         :right-text="isChinese ? $t('chinese') : $t('english')"
@@ -12,7 +12,7 @@
         @click-right="handleChangeLang"
       />
       <div class="scroll-box" :class="{'no-nav-bar': !hasNavBar}">
-        <router-view />
+        <router-view @titleChange="titleChange" />
       </div>
     </div>
   </a-locale-provider>
@@ -33,7 +33,8 @@ export default {
   data () {
     return {
       currentLang: ZH,
-      local: zh_CN
+      local: zh_CN,
+      specialTitle: '' // 需要特别处理的标题
     }
   },
   created () {
@@ -73,10 +74,15 @@ export default {
   },
   watch: {
     pageTitle (val) {
+      this.specialTitle = ''
       this.changeTitle(val)
     }
   },
   methods: {
+    titleChange (value) {
+      this.specialTitle = value
+      this.changeTitle(value)
+    },
     // 返回上一层
     handleBack () {
       this.$router.go(-1)