increase of element el-table height = "" property resulting in the collapse of page

<el-table :data="users"  border style="width: 100%;" height="250">
  <el-table-column prop="userID" label="账号ID" >
  </el-table-column>
  <el-table-column prop="userName" label="账号名称">
  </el-table-column>
  <el-table-column prop="prepayState" label="预付情况">
  </el-table-column>
  <el-table-column prop="dFOrNot" label="是否代发">
  </el-table-column>
</el-table>

原因：

 

 　　However, users would be defined by users: {}, users should read: []