进度条延迟显示加载到100%状态

src/views/bridgesConsole/bridgeMonitor/index.vue

              @change="changeTimeRange">
            </el-option>
          </el-select>
          <el-button type="primary" @click="getMonitorByDay">查询</el-button>
          <el-button type="primary" @click="getMonitorByDay" :disabled="progressShow">查询</el-button>
      </div>
      <el-row class="line-chart-box">
        <el-col :xs="24" :sm="24" :lg="24" v-for="item in alarmShowList" :key="item.index" v-if="alarmList.length">
          <lineChart :chartData="item" :historyM="historyM"></lineChart>
        </el-col>
        <div class="progress-box" v-if="progressShow">
          <span>正在加载 {{proBar}}%</span>
          <el-progress :text-inside="true" :stroke-width="18" :percentage="proBar"></el-progress>
        </div>
        <el-col :xs="24" :sm="24" :lg="24" v-for="item in alarmShowList" :key="item.index" v-if="alarmList.length">
          <lineChart :chartData="item" :historyM="historyM"></lineChart>
        </el-col>
      </el-row>
      <DefaultPage v-if="!alarmList.length && !progressShow"></DefaultPage>
      <div class="pagination-container">
      }, 1500 * Math.random())
    },
    getMonitorByDay() {
      this.progressShow = true
      NProgress.start()
      var that = this
      that.progressShow = true
      NProgress.start()
      that.proBar = 0
      that.alarmList = []
      that.changeProgress()
      getMonitorByDay({ seq: arr, begin: sDate, end: eDate }, flag).then(res => {
        NProgress.inc()
        if (res.success && res.data) {
          this.progressShow = false
          that.proBar = 100
          var monitorList = []
          for (let i = 0; i < res.data.length; i++) {
            var str = res.data[i].cid
            monitorData.seData.push(res.data[i].hvalue)
            monitorData.seData.push(res.data[i].lvalue)
          }
          that.alarmList = monitorList
          if (that.proBar === 100) {
            that.alarmList = monitorList
            setTimeout(function() {
              that.progressShow = false
            }, 1)
          }
        }
      })
    },