修复 打开一个tab,浏览器F5刷新之后，再次点击tab里面的刷新当前tab页，结果跳到了home页 #72

src/store/modules/common.js

    // 侧边栏, 菜单
    menuList: [],
    menuActiveName: '',
    // 内容, 是否需要刷新
    contentIsNeedRefresh: false,
    // 主入口标签页
    mainTabs: [],
    mainTabsActiveName: ''
    updateMenuActiveName (state, name) {
      state.menuActiveName = name
    },
    updateContentIsNeedRefresh (state, status) {
      state.contentIsNeedRefresh = status
    },
    updateMainTabs (state, tabs) {
      state.mainTabs = tabs
    },

src/views/main-content.vue

          <el-dropdown-item @click.native="tabsCloseCurrentHandle">关闭当前标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsCloseOtherHandle">关闭其它标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsCloseAllHandle">关闭全部标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsRefreshCurrentHandle">刷新当前标签页</el-dropdown-item>
          <el-dropdown-item @click.native="refresh()">刷新当前标签页</el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
      <el-tab-pane
<script>
  import { isURL } from '@/utils/validate'
  export default {
    inject: ['refresh'],
    data () {
      return {
      }

src/views/main.vue

      <main-navbar />
      <main-sidebar />
      <div class="site-content__wrapper" :style="{ 'min-height': documentClientHeight + 'px' }">
        <main-content />
        <main-content v-if="!$store.state.common.contentIsNeedRefresh" />
      </div>
    </template>
  </div>
  import MainSidebar from './main-sidebar'
  import MainContent from './main-content'
  export default {
    provide () {
      return {
        // 刷新
        refresh () {
          this.$store.commit('common/updateContentIsNeedRefresh', true)
          this.$nextTick(() => {
            this.$store.commit('common/updateContentIsNeedRefresh', false)
          })
        }
      }
    },
    data () {
      return {
        loading: true