vue项目中请求数据特别多导致页面卡死的解决

    <basic-container>
      <h4>教师指标数据</h4>
      <avue-crud ref="crud"
                 :data="tableData"
                 :table-loading="tableLoading"
                 :option="tableOption"
                 @refresh-change="refreshChange"
                 @search-change="searchChange">
        <template slot-scope="scope"
                  slot="menu">
          <el-button type="text"
                     icon="el-icon-view"
                     size="small"
                     @click="handleView(scope.row,scope.index)">查看
          </el-button>
        </template>
      </avue-crud>
    </basic-container>

data:{
return :{
        tableData: []
]
}      
getList() {
        this.tableLoading = true;
        this.tableData=[];
        fetchList(this.listQuery).then(response => {
          console.log("------------------"+response.data.data)
          this.tableData.push(response.data.data) ;
          this.tableLoading = false
        })
      },